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Heterocyclic compounds II: Synthesis and reactions of some 2,3-pyrrolidinediones

✍ Scribed by J. R. Merchant; Miss R. J. Shah; Miss R. M. Bhandarkar

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
507 KB
Volume
81
Category
Article
ISSN
0165-0513

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✦ Synopsis

Abstract

A number of 2,3‐pyrrolidinediones have been synthesised by the condensation of phenylpyruvic, 3,4‐dimethoxyphenylpyruvic and α‐keto‐butyric acid with different aldehydes and amines. In some cases, cinchoninic acids were the products of condensations. The properties and reactions of the pyrrolidinediones have been studied.

📜 SIMILAR VOLUMES

Heterocyclic compounds IV: Synthesis and
Heterocyclic compounds IV: Synthesis and reactions of some 2,3-pyrrolidinedione derivatives
✍ J. R. Merchant; V. Srinivasan 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 426 KB

## Abstract A number of 2,3‐pyrrolidinediones have been synthesised by the condensation of oxalacetic and oxalpropionic esters with different aldehydes and ketones. Typical reactions and properties of the diones have been studied by the preparation of suitable derivatives.

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## Abstract 3‐[(Trimethylsilylmethylamino)(methylthio)]methylene‐2‐coumaranone (**4a**) and 1‐methyloxindole (**4b**), readily prepared by reactions of the corresponding bis(methylthio)methylene heterocyclic compounds (**2a, b**), with (trimethylsilylmethyl)amine (3), were found to be synthetic equ