PBr3-mediated [5 + 1] annulation of α-alkenoyl-α-carbamoyl ketene-S,S-acetals: access to substituted pyridine-2,6(1H,3H)-diones-Reference-Cited by-同舟云学术

PBr3-mediated [5 + 1] annulation of α-alkenoyl-α-carbamoyl ketene-S,S-acetals: access to substituted pyridine-2,6(1H,3H)-diones

Published:2015 Issue:101 Volume:5 Page:82743-82747
ISSN:2046-2069
Container-title:RSC Advances
language:en
Short-container-title:RSC Adv.

Author:

Shi Liping¹²³⁴,Zhang Qian⁵⁶⁷⁸⁴,Gan Fengjiao⁵⁶⁷⁸⁴,Zhang Rui⁵⁶⁷⁸⁴,Ding Yuanli⁵⁶⁷⁸⁴,Liu Chun¹²³⁴,Dong Dewen⁵⁶⁷⁸⁴

Affiliation:

1. College of Chemistry and Biology

2. Beihua University

3. Jilin

4. China

5. Key Laboratory of Synthetic Rubber

6. Changchun Institute of Applied Chemistry

7. Chinese Academy of Sciences

8. Changchun 130022

Abstract

Facile and efficient synthesis of substituted pyridine-2,6(1H,3H)-diones via an intramolecular [5 + 1] annulation of readily available α-alkenoyl-α-carbamoyl ketene-S,S-acetals mediated by phosphorus bromide under very mild is developed.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2015/RA/C5RA13498F

Reference54 articles.

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3. Synthesis and anticonvulsant evaluation of a series of (R)- and (S)-N-Cbz-α-aminoglutarimide and succinimide

4. Synthesis of actiketal, a glutarimide antibiotic

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