An article N-Heterocyclic carbene-catalyzed beta-addition of enals to 3-alkylenyloxindoles: synthesis of oxindoles with all-carbon quaternary stereocenters WOS:000474306200015 published article about ORGANOCATALYTIC MICHAEL ADDITION; 4 CONTIGUOUS STEREOCENTERS; ASYMMETRIC-SYNTHESIS; ISATYLIDENE-3-ACETALDEHYDES APPLICATION; 1,6-MICHAEL ADDITION; GAMMA-BUTYROLACTONES; CONSTRUCTION; BEARING; ACCESS; 3-METHYL-4-NITRO-5-ALKENYL-ISOXAZOLES in [Zhang, Chun-Lin; Han, You-Feng; Ye, Song] Chinese Acad Sci, Beijing Natl Lab Mol Sci, CAS Key Lab Mol Recognit & Funct, CAS Res Educ Ctr Excellence Mol Sci,Inst Chem, Beijing 100190, Peoples R China; [Han, You-Feng; Ye, Song] Univ Chinese Acad Sci, Beijing 100049, Peoples R China in 2019.0, Cited 64.0. COA of Formula: C10H12O2. The Name is Methyl 3-phenylpropionate. Through research, I have a further understanding and discovery of 103-25-3
The N-heterocyclic carbene-catalyzed beta-addition of enals to 3-alkylenyloxindoles was developed. All of the beta-aryl, beta-alkenyl and beta-alkyl enals worked well for the reaction to give the corresponding 3,3-disubstituted oxindoles bearing contiguous all-carbon quaternary and tertiary stereocenters in good yields with moderate to high diastereoselectivities and excellent enantioselectivities.
COA of Formula: C10H12O2. About Methyl 3-phenylpropionate, If you have any questions, you can contact Zhang, CL; Han, YF; Ye, S or concate me.
Reference:
Patent; SANOFI; US2011/294788; (2011); A1;,
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