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对亚氨基丙二酸酯进行双亲核加成反应,从而合成季铵化α-氨基二酯并使产物去对称化。

Double nucleophilic addition to iminomalonate, leading to the synthesis of quaternary α-amino diesters and desymmetrization of the products.

作者信息

Shimizu Makoto, Mushika Miki, Mizota Isao, Zhu Yusong

机构信息

School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 Jiangsu Province China.

Department of Chemistry for Materials, Graduate School of Engineering, Mie University Tsu Mie 514-8507 Japan

出版信息

RSC Adv. 2019 Jul 29;9(40):23400-23407. doi: 10.1039/c9ra04889h. eCollection 2019 Jul 23.

DOI:10.1039/c9ra04889h
PMID:35514493
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9067299/
Abstract

Alkylation of iminomalonate with Grignard reagents followed by oxidation and allylation gave symmetrical quaternary α-amino diesters in good yields. Subsequent desymmetrization of a diol derivative from these products was conducted asymmetric carbamylation catalyzed by Cu-Bnbox to give chiral quaternary aminodiol mono-carbamates.

摘要

亚氨基丙二酸酯与格氏试剂进行烷基化反应,随后进行氧化和烯丙基化反应,以良好的产率得到对称的季铵化α-氨基二酯。随后,通过Cu-Bnbox催化的不对称氨基甲酰化反应对这些产物中的二醇衍生物进行去对称化,得到手性季铵化氨基二醇单氨基甲酸酯。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/0f94d033e7d9/c9ra04889h-s4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/ced6394247ca/c9ra04889h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/4465cd0f27bd/c9ra04889h-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/92c519801aa6/c9ra04889h-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/a700d720bee1/c9ra04889h-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/0f94d033e7d9/c9ra04889h-s4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/ced6394247ca/c9ra04889h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/4465cd0f27bd/c9ra04889h-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/92c519801aa6/c9ra04889h-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/a700d720bee1/c9ra04889h-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1d5/9067299/0f94d033e7d9/c9ra04889h-s4.jpg

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