학회 |
한국공업화학회 |
학술대회 |
2005년 봄 (05/13 ~ 05/14, 충남대학교) |
권호 |
9권 1호 |
발표분야 |
정밀화학 |
제목 |
Stereoselective Synthesis of α,β-Substituted-β-mercaptocarboxylic Acid Derivatives: Asymmetric 1,4-Addition Using C2-Symmetric Pyrrolidine Derivatives (II) |
초록 |
We have conducted the asymmetric conjugate addition to α,β-disubstituted unsaturated amides with trans-2,5-bis(methoxymethyl)pyrrolidine as a chiral auxiliary. Lewis acid catalyzed conjugate addition of thioacetic acid to tigloyl amide gives high asymmetric induction at the β-carbon as well as the α-carbon. Both the stereoselectivity and the yield were more than 95% for the major product shown below among the four possible isomers. |
저자 |
김병현1, 김영규1, 이동활2, 이희봉1, 황제광1
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소속 |
1서울대, 2동진세미켐 |
키워드 |
conjugate addition; chiral auxiliary; mercaptocarboxylic Acid
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E-Mail |
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