Category: 5205-11-8

van Dort, Hans M. published the artcileNarcissus trevithian and Narcissus geranium: Analysis and synthesis of compounds, Name: 3-Methylbut-2-en-1-yl benzoate, the publication is Journal of Agricultural and Food Chemistry (1993), 41(11), 2063-75, database is CAplus.

The essential oils of two Narcissus varieties, N. trevithian and N.geranium, obtained by extraction of flowers followed by high vacuum distillation of the absolute, were analyzed by GC/MS. After separation in fractions, unknown compounds were isolated by preparative GLC and their structures established by NMR/IR spectroscopy. The synthesis of a number of new compounds, found for the first time in narcissus oil, is described. The two narcissus species are compared with respect to their main components and odor quality. All compounds found so far in narcissus varieties are listed.

Journal of Agricultural and Food Chemistry published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C6H16OSi, Name: 3-Methylbut-2-en-1-yl benzoate.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Sharma, G. V. M. published the artcileA Mild and Highly Selective Deprotective Method of Prenyl Ethers Using Ytterbium Triflate, Quality Control of 5205-11-8, the publication is Journal of Organic Chemistry (1998), 63(24), 9103-9104, database is CAplus.

A study of the deprotection of prenyl ethers with a catalytic amount of Yb(O₃SCF₃)₃ as Lewis acid catalyst is decribed. Thus coumarin I (R = CH₂CH:CMe₂) was treated with catalytic Yb(O₃SCF₃)₃ in MeNO₂ to give I (R = H) in 60% yield.

Journal of Organic Chemistry published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C7H6N2O2S, Quality Control of 5205-11-8.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Matsumoto, Fumio published the artcileVolatile components of Hedychium coronarium Koenig flowers, Computed Properties of 5205-11-8, the publication is Journal of Essential Oil Research (1993), 5(2), 123-33, database is CAplus.

The solvent extract and the headspace of Hedychium coronarium flowers were investigated by GC and GC/MS. A volatile concentrate of the solvent extract which was obtained by simultaneous distillation and extraction (SDE) was fractionated by column chromatog. and analyzed by GC and GC/MS. Of the 175 compounds identified, linalool, Me benzoate, cis-jasmone, eugenol, (E)-isoeugenol, jasmin lactone, Me jasmonate, Me epi-jasmonate, indole, nitriles and oximes were found to make a great contribution to the scent of the flowers. A total of 113 compounds were identified in the headspace. The daily and the seasonal changes of the odor characteristics of H. coronarium flowers were considered. Qual. differences of the volatiles obtained by thermal and solvent desorption of the headspace traps were also discussed.

Journal of Essential Oil Research published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C12H14O2, Computed Properties of 5205-11-8.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Cui, Fei-Hu published the artcileSelective Difunctionalization of Unactivated Aliphatic Alkenes Enabled by a Metal-Metallaaromatic Catalytic System, Formula: C12H14O2, the publication is Journal of the American Chemical Society (2022), 144(5), 2301-2310, database is CAplus and MEDLINE.

The design of organometallic catalysts is crucial in the development of catalytic reactions. Herein, the authors describe a heterometallic [Os-Cu] complex with the characteristics of bimetallics, metallaaroms. and pincer complexes. This complex serves as a highly effective catalyst for selective amino- and oxyselenation of unactivated alkenes. More than 80 examples including challenging substrates of unsym. aliphatic alkenes and amine-based nucleophiles in such reactions are provided. These reactions produce 1,2-difunctionalized products with good yields and high levels of chemo-, regio- and stereoselectivity. The study revealed that (i) the usually inert Os center activates the N- or O-centered nucleophiles, (ii) the Cu-Os bonding and its cooperative effects play essential roles in control the selectivity by bringing the reaction components into close proximity, and (iii) the metallaarom. moiety helps to stabilize the intermediate. These findings provide a versatile platform for catalyst design based on metal-metallaarom. cooperative effects that were not attained previously with bimetallic complexes.

Journal of the American Chemical Society published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C12H14O2, Formula: C12H14O2.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Coxon, James M. published the artcilePhotolysis of some β,γ-epoxycarbonyl compounds, Computed Properties of 5205-11-8, the publication is Australian Journal of Chemistry (1977), 30(1), 161-71, database is CAplus.

Photolysis of (3RS)-3,4-epoxy-1-phenylbutan-1-one gives in high yield a 1:7:1 mixture of (1RS,2RS,3RS)- and (1RS,2SR,3SR)-2,3-epoxy-1-phenylcyclobutan-1-ols (I and II). Fragmentation of the intermediate biradical is not a competitive reaction process. Alkyl substitution at C2 facilitates α-cleavage; oxiranyl benzoate (III) is unreactive under normal photolysis conditions.

Australian Journal of Chemistry published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C12H14O2, Computed Properties of 5205-11-8.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Fleming, Ian published the artcileA regioselective and stereospecific synthesis of allylsilanes from secondary allylic alcohol derivatives, COA of Formula: C12H14O2, the publication is Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) (1992), 3331-49, database is CAplus.

Primary and secondary allylic acetates and benzoates react with the dimethyl(phenyl)silylcuprate reagent to give allylsilanes, provided that the THF in which the cuprate is prepared is diluted with ether before addition of the allylic ester. The reaction is reasonably regioselective in some cases: (i) when the allylic system is more-substituted at one end than the other, e.g., as in the reaction of Me₂C:CHCH₂OC(O)Ph → Me₂C:CHCH₂SiMe₂Ph; (ii) when the steric hinderance at one end is neopentyl-like, as in the reactions I (R = Me, Ph, CHMe₂, n = 1, 2) → II; and (iii) when the disubstituted double bond has the Z configuration, as in the reactions Z-PhCH:CHCHMeOAc → PhCH(SiMe₂Ph)CH:CHMe or, better, because the silyl group is becoming attached to the less-sterically hindered end of the allylic system. The regioselectivity is better if a Ph carbamate is used in place of the ester, and a three-step protocol assembling the mixed cuprate on the leaving group is used, or, best of all, because the silyl group is again becoming attached to the less-sterically hindered end of the allylic system. This sequence works well to move the silyl group onto the more substituted end of an allyl system, but only when the move is from a secondary allylic carbamate to a tertiary allylsilane. Allyl(trimethyl)silanes can be made using alkyl- or arylcuprates on trimethylsilyl-containing allylic esters and carbamates. The reaction of the silylcuprate with allylic esters and the three-step sequence with the allylic carbamates are stereochem. complementary, the former being stereospecifically anti and the latter stereospecifically syn. Homochiral allylsilanes can be made by these methods with high levels of stereospecificity.

Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C12H14O2, COA of Formula: C12H14O2.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Lu, Zhichao published the artcileBase-Promoted Radical Azofluoromethylation of Unactivated Alkenes, Safety of 3-Methylbut-2-en-1-yl benzoate, the publication is Organic Letters (2020), 22(11), 4383-4388, database is CAplus and MEDLINE.

The base-induced reaction of aryl diazonium salts with com. available CF₃SO₂Na/CF₂HSO₂Na allows for the generation of the corresponding diazene radicals along with fluoromethyl radicals. The addition of fluoromethyl radicals to alkenes with subsequent diazene trapping provides the azofluoromethylation products in good to excellent yields. This metal-free method under mild reaction conditions has broad functional group compatibility and is applicable in the late-stage modification of various natural products and bioactive mols.

Organic Letters published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C12H14O2, Safety of 3-Methylbut-2-en-1-yl benzoate.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Takanami, Toshikatsu published the artcileHighly regioselective [3,3] rearrangement of aliphatic allyl vinyl ethers catalyzed by a metalloporphyrin complex, Cr(TPP)Cl, Formula: C12H14O2, the publication is Tetrahedron (2006), 62(40), 9467-9474, database is CAplus.

The Claisen rearrangement of simple aliphatic allyl vinyl ethers catalyzed by a metalloporphyrin, Cr(TPP)Cl, is described. The porphyrin-based Lewis acid catalyst can effectively accelerate the rearrangement via a concerted [3,3] pathway with a minimal degree of bond ionization of the substrates, providing the corresponding Claisen products in moderate to high yields and almost perfect regioselectivity at low catalyst loading.

Tetrahedron published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C10H10CoF6P, Formula: C12H14O2.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Li, Chunmei published the artcileAroma components at various stages of litchi juice processing, Application of 3-Methylbut-2-en-1-yl benzoate, the publication is Journal of the Science of Food and Agriculture (2009), 89(14), 2405-2414, database is CAplus.

BACKGROUND: Considering the importance of flavor on the quality of litchi juice, a study was conducted on how processing and operating stages influence the aroma components of clear litchi juice during processing. RESULTS: The aroma fractions isolated by solid-phase micro-extraction were analyzed by capillary gas chromatog.-mass spectrometry. According to statistical analyses, the amount of total and 7 characteristic aroma compounds (geraniol, citronellol, phenylethyl alc., D-limonene, nonanal, geranial and linalool) increased significantly after enzyme hydrolysis, but decreased significantly during the process of enzyme inactivation, ultra-filtration and sterilization. CONCLUSION: The aromatic fraction of litchi juice decreased greatly during processing. The major losses in aromatic composition of clear litchi juice were related to the ultra-filtration and sterilization processes. With regard to the retention of aroma, an ultra-filtration membrane with a larger pore size is better than a membrane with a smaller pore size, and a high-voltage pulsed elec. field was better than thermal sterilization. Copyright © 2009 Society of Chem. Industry.

Journal of the Science of Food and Agriculture published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C12H14O2, Application of 3-Methylbut-2-en-1-yl benzoate.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Cooksey, John published the artcileThe nucleophilic addition of α-metallated 1,3-dioxanes to planar chiral cationic η³-allylmolybdenum complexes. Synthesis of (2E,5S,6R,7E)-6-methyl-8-phenylocta-2,7-dienoic acid methyl ester, a key component of the Cryptophycins, Application In Synthesis of 5205-11-8, the publication is Organic & Biomolecular Chemistry (2004), 2(12), 1719-1731, database is CAplus and MEDLINE.

Two adjacent stereogenic centers and a pendant alkene were constructed via nucleophilic addition of a 1,3-dioxan-4-ylcopper(I) reagent to a cationic η³-allylmolybdenum complex as part of a synthesis of (2E,5S,6R,7E)-5-hydroxy-6-methyl-8-phenylocta-2,7-dienoic acid Me ester (I), a key component of the Cryptophycins. Oxidative addition of Mo(CO)₄(THF)₂ to allyl benzoates provides an efficient synthesis of η³-allylmolybdenum(dicarbonyl) complexes.

Organic & Biomolecular Chemistry published new progress about 5205-11-8. 5205-11-8 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Benzene,Ester, name is 3-Methylbut-2-en-1-yl benzoate, and the molecular formula is C12H14O2, Application In Synthesis of 5205-11-8.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics