870-50-8 Archives - Page 2 of 10 - Esters-buliding-blocks

Xie, Pan team published research in ChemistrySelect in 2021 | 870-50-8

870-50-8, Di-tert-butyl azodicarboxylate, also known as Di-tert-butyl azodicarboxylate, is a useful research compound. Its molecular formula is C₁₀H₁₈N₂O₄ and its molecular weight is 230.26 g/mol. The purity is usually 95%.
Di-tert-butyl azodicarboxylate is a reagent used in the electrophilic amination of β-keto esters catalyzed by an axially chiral guanidine. Building block in an enantioselective synthesis of 3,6-dihyropyridazines employing organocatalysts such a L-proline or (S)-2-pyrrolidinyl tetrazole. Utilized in the asymmetric Friedel-Crafts amination via a chiral organocatalyst.
Di-tert-butyl azodicarboxylate is a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst., Safety of Di-tert-butyl diazene-1,2-dicarboxylate

Ester is a chemical compound derived from an oxoacid (organic or inorganic) in which at least one –OH hydroxyl group is replaced by an –O– alkyl (alkoxy) group, 870-50-8, formula is C10H18N2O4, Name is Di-tert-butyl diazene-1,2-dicarboxylate. as in the substitution reaction of a carboxylic acid and an alcohol. Safety of Di-tert-butyl diazene-1,2-dicarboxylate.

Xie, Pan;Shi, Sanshan;Hu, Xueqing;Xue, Cheng;Du, Dongdong research published 《 Sunlight Photocatalytic Synthesis of Aryl Hydrazides by Decatungstate-Promoted Acylation under Room Temperature》, the research content is summarized as follows. A sunlight photocatalytic synthesis of aryl hydrazides RC(O)N(Boc)NHBoc (R = 2-methylphenyl, 4-bromophenyl, naphthalen-2-yl, etc.) was achieved via a decatungstate-promoted addition process of aromatic aldehydes RCHO to di-tert-Bu azodicarboxylate. Aryl hydrazides can be produced in good to excellent yields under room temperature, even if the reaction was carried out as ”window ledge” mode. This process is easy to be operated and no addnl. additives are needed, which makes the practicability and application value increase obviously.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Xiong, Ni team published research in Organic Letters in 2021 | 870-50-8

Related Products of 870-50-8, Di-tert-butyl azodicarboxylate, also known as Di-tert-butyl azodicarboxylate, is a useful research compound. Its molecular formula is C₁₀H₁₈N₂O₄ and its molecular weight is 230.26 g/mol. The purity is usually 95%.
Di-tert-butyl azodicarboxylate is a reagent used in the electrophilic amination of β-keto esters catalyzed by an axially chiral guanidine. Building block in an enantioselective synthesis of 3,6-dihyropyridazines employing organocatalysts such a L-proline or (S)-2-pyrrolidinyl tetrazole. Utilized in the asymmetric Friedel-Crafts amination via a chiral organocatalyst.
Di-tert-butyl azodicarboxylate is a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst., 870-50-8.

Glycerides are fatty acid esters of glycerol; they are important in biology, being one of the main classes of lipids and comprising the bulk of animal fats and vegetable oils. 870-50-8, formula is C10H18N2O4, Name is Di-tert-butyl diazene-1,2-dicarboxylate. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Related Products of 870-50-8.

Xiong, Ni;Li, Yang;Zeng, Rong research published 《 Iron-Catalyzed Photoinduced Remote C(sp³)-H Amination of Free Alcohols》, the research content is summarized as follows. A general photocatalytic protocol for the remote C(sp³)-H bond amination of free alkanols was reported. The electron transfer between the abundant and inexpensive catalyst FeCl₃ and simple alkanols under blue LED irradiation enabled the alkoxy radical formation under mild redox-neutral conditions, without addnl. oxidant and prefunctionalization. The subsequent selective 1,5-hydrogen atom transfer (HAT) and amination provided a simple and efficient way to access mol. complexity from readily available and bulk alcs.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Xu, Yan-Li team published research in Tetrahedron Letters in 2022 | 870-50-8

Application of C10H18N2O4, Di-tert-butyl azodicarboxylate, also known as Di-tert-butyl azodicarboxylate, is a useful research compound. Its molecular formula is C₁₀H₁₈N₂O₄ and its molecular weight is 230.26 g/mol. The purity is usually 95%.
Di-tert-butyl azodicarboxylate is a reagent used in the electrophilic amination of β-keto esters catalyzed by an axially chiral guanidine. Building block in an enantioselective synthesis of 3,6-dihyropyridazines employing organocatalysts such a L-proline or (S)-2-pyrrolidinyl tetrazole. Utilized in the asymmetric Friedel-Crafts amination via a chiral organocatalyst.
Di-tert-butyl azodicarboxylate is a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst., 870-50-8.

Polyesters are important plastics, with monomers linked by ester moieties. Phosphoesters form the backbone of DNA molecules. 870-50-8, formula is C10H18N2O4, Name is Di-tert-butyl diazene-1,2-dicarboxylate.Nitrate esters, such as nitroglycerin, are known for their explosive properties. Application of C10H18N2O4.

Xu, Yan-Li;Wang, Yu-Xia;Wen, Gen-Fa;Da, Chao-Shan research published 《 Organocatalytic enantioselective electrophilic amination of benzoyl butyrolactones》, the research content is summarized as follows. Organocatalytic electrophilic amination of benzoyl butyrolactones with azodicarboxylates was demonstrated to highly efficiently prepare quaternary carbon stereocenter-bearing α-amino-γ-butyrolactones I [R = Me, Ph, OBn, etc.], key framework in numerous bioactive compounds The squaramide catalyst II realized the highest yield (99%) and enantioselectivity (93%).

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Xue, Ting team published research in Organic Letters in 2022 | 870-50-8

HPLC of Formula: 870-50-8, Di-tert-butyl azodicarboxylate, also known as Di-tert-butyl azodicarboxylate, is a useful research compound. Its molecular formula is C₁₀H₁₈N₂O₄ and its molecular weight is 230.26 g/mol. The purity is usually 95%.
Di-tert-butyl azodicarboxylate is a reagent used in the electrophilic amination of β-keto esters catalyzed by an axially chiral guanidine. Building block in an enantioselective synthesis of 3,6-dihyropyridazines employing organocatalysts such a L-proline or (S)-2-pyrrolidinyl tetrazole. Utilized in the asymmetric Friedel-Crafts amination via a chiral organocatalyst.
Di-tert-butyl azodicarboxylate is a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst., 870-50-8.

Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. 870-50-8, formula is C10H18N2O4, Name is Di-tert-butyl diazene-1,2-dicarboxylate. They perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. HPLC of Formula: 870-50-8.

Xue, Ting;Zhang, Zongnan;Zeng, Rong research published 《 Photoinduced Ligand-to-Metal Charge Transfer (LMCT) of Fe Alkoxide Enabled C-C Bond Cleavage and Amination of Unstrained Cyclic Alcohols》, the research content is summarized as follows. An alkoxy radical process for the C-C bond cleavage and functionalization of unstrained tertiary and secondary cyclic alcs. was reported. In the absence of a chlorine atom, the readily available iron catalysts [Fe(OBu-t)₃ or Fe(acac)₃/t-BuONa] facilitate alkoxy radical formation via the direct ligand-to-metal charge transfer of Fe alkoxide and further enable the ring opening and amination of cyclic alcs. The remote amino carbonyl compounds could be obtained with a broad scope in up to excellent yields under the mildly redox-neutral system. Light-driven electron transfer, alkoxy radical formation, and subsequent C-C bond cleavage via β-scission were the keys to the transformation.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Yan, Xiaoyu team published research in ACS Sustainable Chemistry & Engineering in 2021 | 870-50-8

SDS of cas: 870-50-8, Di-tert-butyl azodicarboxylate, also known as Di-tert-butyl azodicarboxylate, is a useful research compound. Its molecular formula is C₁₀H₁₈N₂O₄ and its molecular weight is 230.26 g/mol. The purity is usually 95%.
Di-tert-butyl azodicarboxylate is a reagent used in the electrophilic amination of β-keto esters catalyzed by an axially chiral guanidine. Building block in an enantioselective synthesis of 3,6-dihyropyridazines employing organocatalysts such a L-proline or (S)-2-pyrrolidinyl tetrazole. Utilized in the asymmetric Friedel-Crafts amination via a chiral organocatalyst.
Di-tert-butyl azodicarboxylate is a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst., 870-50-8.

Yan, Xiaoyu;Li, Xiaoqing;Wang, Yitu;Dai, Yuyu;Yan, Xinhuan;Zhao, Deming;Xu, Xiangsheng research published 《 Iminyl-Radical-Mediated C-C Cleavage/Amination and Alkene Iminoamination Enabled by Visible-Light-Induced Cerium Catalysis》, the research content is summarized as follows. The visible-light-induced decarboxylation of α-imino-oxy acids for the generation of iminyl radicals was accomplished using nontoxic and inexpensive CeCl₃·7H₂O as the photocatalyst via the LMCT process. The iminyl-radical-mediated C-C cleavage/amination and alkene iminoamination was achieved within this catalyst system. Abundant and nontoxic CeCl₃·7H₂O was used instead of precious metal/organic dye-based photocatalysts for the generation of iminyl radicals.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Yang, Qiaomu team published research in Science (Washington, DC, United States) in 2021 | 870-50-8

Formula: C10H18N2O4, Di-tert-butyl azodicarboxylate, also known as Di-tert-butyl azodicarboxylate, is a useful research compound. Its molecular formula is C₁₀H₁₈N₂O₄ and its molecular weight is 230.26 g/mol. The purity is usually 95%.
Di-tert-butyl azodicarboxylate is a reagent used in the electrophilic amination of β-keto esters catalyzed by an axially chiral guanidine. Building block in an enantioselective synthesis of 3,6-dihyropyridazines employing organocatalysts such a L-proline or (S)-2-pyrrolidinyl tetrazole. Utilized in the asymmetric Friedel-Crafts amination via a chiral organocatalyst.
Di-tert-butyl azodicarboxylate is a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst., 870-50-8.

Yang, Qiaomu;Wang, Yu-Heng;Qiao, Yusen;Gau, Michael;Carroll, Patrick J.;Walsh, Patrick J.;Schelter, Eric J. research published 《 Photocatalytic C-H activation and the subtle role of chlorine radical complexation in reactivity》, the research content is summarized as follows. The functionalization of methane, ethane, and other alkanes derived from fossil fuels is a central goal in the chem. enterprise. Recently, a photocatalytic system comprising [Ce^IVCl₅(OR)]^2- [Ce^IV, cerium(IV); OR, -OCH₃ or -OCCl₂CH₃] was disclosed. The system was reportedly capable of alkane activation by alkoxy radicals (RO•) formed by Ce^IV -OR bond photolysis. In this work, we present evidence that the reported carbon-hydrogen (C-H) activation of alkanes is instead mediated by the photocatalyst [NEt₄]₂[CeCl₆] (NEt₄⁺, tetraethylammonium), and RO• are not intermediates. Spectroscopic analyses and kinetics were investigated for C-H activation to identify chlorine radical (Cl•) generation as the rate-limiting step. D. functional theory calculations support the formation of [Cl•][alc.] adducts when alcs. are present, which can manifest a masked RO• character. This result serves as an important cautionary note for interpretation of radical trapping experiments

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Xia, Zi-Lei team published research in Nature Communications in 2019 | 870-50-8

Xia, Zi-Lei;Zheng, Chao;Xu, Ren-Qi;You, Shu-Li research published 《 Chiral phosphoric acid catalyzed aminative dearomatization of α-naphthols/Michael addition sequence》, the research content is summarized as follows. Asym. dearomatization reactions have recently emerged as a powerful tool for the rapid build-up of the mol. complexity. Chiral three-dimensional polycyclic mols. bearing contiguous stereogenic centers can be synthesized from readily available planar aromatic feedstocks. Herein, an intermol. asym. dearomatization reaction of α-naphthols I (R = 6-OMe, 7-Me, 8-CN, etc.) bearing a tethered nucleophile at the C4 position of the naphthol ring is reported using a chiral phosphoric acid as catalyst. The reaction proceeds via a highly chemo- and regioselective aminative dearomatization/Michael addition sequence, affording a wide array of functionalized cyclic ketones e.g II (Nu = O, NTs, NCO₂Me, etc.) in good yields (up to 93%) with excellent enantioselectivity (up to >99% ee). The catalyst loading can be reduced to 0.1 mol%. Preliminary mechanistic investigations identify that the enantioselectivity is established in the dearomatization step, while the Michael addition is the rate-limiting step. A working model accounting for the origin of the stereochem. is proposed based on DFT calculations

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Wu, Zi-Qiao team published research in Tetrahedron in 2021 | 870-50-8

Wu, Zi-Qiao;Zhang, Mei-Rong;Zhou Han-Chen, Xiao-Yu;Yang, Jia-Le;Zhang, Yu-Heng;Li, Wen-Hai research published 《 Catalyst-free [3+2] cycloaddition of azodicarbonyls and o-hydroxyaryl azomethine ylides on water》, the research content is summarized as follows. An environment-friendly methodol. for the synthesis of 1,2,4-triazoline derivatives on water was described. This method provided an environmental and useful strategy for catalyst-free synthesis of 1,2,4-triazolines derivatives The gram scale reaction and one-pot reaction were also performed to ensure the scalability and high efficiency of the reaction.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Wu, Bin team published research in Nature Communications in 2021 | 870-50-8

Category: esters-buliding-blocks, Di-tert-butyl azodicarboxylate, also known as Di-tert-butyl azodicarboxylate, is a useful research compound. Its molecular formula is C₁₀H₁₈N₂O₄ and its molecular weight is 230.26 g/mol. The purity is usually 95%.
Di-tert-butyl azodicarboxylate is a reagent used in the electrophilic amination of β-keto esters catalyzed by an axially chiral guanidine. Building block in an enantioselective synthesis of 3,6-dihyropyridazines employing organocatalysts such a L-proline or (S)-2-pyrrolidinyl tetrazole. Utilized in the asymmetric Friedel-Crafts amination via a chiral organocatalyst.
Di-tert-butyl azodicarboxylate is a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst., 870-50-8.

Wu, Bin;Wang, Jianing;Liu, Xingchen;Zhu, Rong research published 《 Bicyclo[2.2.0]hexene derivatives as a proaromatic platform for group transfer and chemical sensing》, the research content is summarized as follows. Here the design, preparation, synthetic utility, and sensing application of a class of proarom. structures, namely bicyclo[2.2.0]hexene (BCHs) derivatives I [R = allyl, i-Pr, Bn, etc.] was reported. Building on a valence isomerism concept, they featured modular and easy synthesis as well as high thermal stability, and could be oxidatively activated under mild conditions. New alkyl transfer reactions using BCHs as a radical donor were developed to showcase the utility of their proaromaticity. Moreover, the redox-triggered valence isomerization of a quinoline-derived BCH led to colorimetric and fluorescent responses toward vapors of electrophilic reagents in solution and solid phase, resp. This optical response was showed to involved a 1,3-cyclohexadiene structure that possesses an intramol. charge transfer excited state with interesting aggregation induced emission (AIE) character. Thus, the potential of BCHs was demonstrated as a versatile platform for the development of new reagents and functional materials.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Wong, Marie L. J. team published research in Organic Letters in 2019 | 870-50-8

Recommanded Product: Di-tert-butyl diazene-1,2-dicarboxylate, Di-tert-butyl azodicarboxylate, also known as Di-tert-butyl azodicarboxylate, is a useful research compound. Its molecular formula is C₁₀H₁₈N₂O₄ and its molecular weight is 230.26 g/mol. The purity is usually 95%.
Di-tert-butyl azodicarboxylate is a reagent used in the electrophilic amination of β-keto esters catalyzed by an axially chiral guanidine. Building block in an enantioselective synthesis of 3,6-dihyropyridazines employing organocatalysts such a L-proline or (S)-2-pyrrolidinyl tetrazole. Utilized in the asymmetric Friedel-Crafts amination via a chiral organocatalyst.
Di-tert-butyl azodicarboxylate is a reagent used in the preparation of acyl hydrazinedicarboxylates via photoorganocatalytic hydroacylation of dialkyl azodicarboxylates with aldehydes in presence of phenylglyoxylic acid as photocatalyst., 870-50-8.

Wong, Marie L. J.;Mousseau, James J.;Mansfield, Steven J.;Anderson, Edward A. research published 《 Synthesis of Enantioenriched α-Chiral Bicyclo[1.1.1]pentanes》, the research content is summarized as follows. Bicyclo[1.1.1]pentanes (BCPs), useful surrogates for para-substituted arenes, alkynes, and tert-Bu groups in medicinal chem., are challenging to prepare when featuring stereogenic centers adjacent to the BCP. The authors report the development of an efficient route to α-chiral BCPs, via highly diastereoselective asym. enolate functionalization. The authors also describe the application of this chem. to the synthesis of BCP analogs of phenylglycine and tarenflurbil, the single enantiomer of the NSAID flurbiprofen.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics