109918-65-2Relevant articles and documents
Enantioselective synthesis of (R)-α-alkylhomoserines and (R)-α-alkylhomocysteines via phase-transfer catalytic alkylation
Kim, Taek-Soo,Lee, Yeon-Ju,Lee, Kyoungyim,Jeong, Byeong-Seon,Park, Hyeung-Geun,Jew, Sang-Sup
body text, p. 671 - 674 (2009/07/11)
Efficient enantioselective synthetic methods for (R)-α- alkylhomoserines and (R)-α-alkylhomocysteines have been developed. The phase-transfer catalytic alkylation of 2-phenyl-5,6-dihydro-4H-1,3-oxazine-4- carboxylic acid tert-butyl ester and 2-phenyl-5,6-
Synthesis of enantiopure α,α-disubstituted amino acids from the asymmetric strecker reaction products of aldehydes
Ma, Dawei,Ding, Ke
, p. 2515 - 2517 (2007/10/03)
(equation presented) Treatment of the enolates of 4 generated from the asymmetric Strecker reaction products with alkyl halides or aldehydes provided the corresponding functionalized products with high diastereoselectivity. Deprotection of these products
Methionine as Precursor for the Enantioselective Synthesis of α-Branched Vinylglycines and of Other Amino Acids
Weber, Theodor,Aeschimann, Roland,Maetzke, Thomas,Seebach, Dieter
, p. 1365 - 1377 (2007/10/02)
Methionine is converted by previously published methods into the diastereoisomerically pure 3-thiabutyl-substituted oxazolidinone (7) and imidazolidinones 5 and 6.An X-ray crystal structure determination of cis-3-benzoyl-2-(tert-butyl)-4-(3-thiabutyl)oxaz