摘要
In the synthesis N-chiral quaternary ammonium salts from(2S)-N-benzyl-N-methyl-L-tyrosine methyl ester and(3S)-N-methyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid methyl ester,a substitution occur even with 1.0 eq allyl bromide.That is the benzyl and methyl are removed respectively,and two al...
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单位化学化工学院; 兰州大学; 中国科学院成都生物研究所; 功能有机分子化学国家重点实验室