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多种取代的双吡咯里西啶/硫代吡咯里西啶氧化吲哚/苊并姜黄素类化合物的合成——顺序甲亚胺叶立德环加成反应

Synthesis of diversely substituted bis-pyrrolizidino/ thiopyrrolizidino oxindolo/acenaphthyleno curcuminoids sequential azomethine ylide cycloaddition.

作者信息

Singh Meenakshi, Hazra Abhijit, Bharitkar Yogesh P, Kalia Ritu, Sahoo Ashutosh, Saha Sneha, Ravichandiran V, Ghosh Shekhar, Mondal Nirup B

机构信息

National Institute of Pharmaceutical Education and Research (NIPER) (IICB Campus), 4, Raja S. C. Mullick Road, Jadavpur Kolkata - 700 032 India.

Department of Organic and Medicinal Chemistry, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research 4, Raja S. C. Mullick Road, Jadavpur Kolkata - 700 032 India

出版信息

RSC Adv. 2018 May 23;8(34):18938-18951. doi: 10.1039/c8ra02725k. eCollection 2018 May 22.

Abstract

Curcumin has been transformed to several diversely substituted bis-pyrrolizidino/thiopyrrolizidino oxindolo/acenaphthyleno curcuminoids a sequential azomethine ylide cycloaddition reaction using isatins/acenaphthoquinone and proline/thioproline as the reagents. The products were separated extensive chromatography and characterized by 1D/2D NMR and HRMS analysis.

摘要

姜黄素已通过使用异吲哚酮/苊醌和脯氨酸/硫代脯氨酸作为试剂的顺序甲亚胺叶立德环加成反应转化为几种不同取代的双吡咯里西啶/硫代吡咯里西啶氧化吲哚/苊并姜黄素类化合物。产物通过广泛的色谱法分离,并通过一维/二维核磁共振和高分辨质谱分析进行表征。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/74b0/9080697/c4c782386512/c8ra02725k-s1.jpg

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