Issue 66, 2024

Chemical fixation of CO2/CS2 to access iodoallenyl oxazolidinones and allenyl thiazolidine-thiones

Abstract

Constructing heterocyclic compounds by chemical fixation of CO2/CS2 as a C1 building block is a promising approach. An efficient and environmentally friendly synthetic approach has been developed using CO2/CS2 to prepare complicated allenyl heterocycles with high yields and diastereoselectivities in a metal-free manner under mild conditions. NIS promoted CO2 fixation and the cyclization reaction by exclusive 1,4-syn-addition of 1,3-enynes rather than 1,2-addition or 3,4-addition, while CS2 participated in unique 1,4-syn-hydrothiolation of 1,3-enynes to afford allenyl heterocycles with different reaction patterns.

Graphical abstract: Chemical fixation of CO2/CS2 to access iodoallenyl oxazolidinones and allenyl thiazolidine-thiones

Supplementary files

Article information

Article type
Communication
Submitted
14 ⵢⵓⵏ 2024
Accepted
23 ⵢⵓⵍ 2024
First published
24 ⵢⵓⵍ 2024

Chem. Commun., 2024,60, 8756-8759

Chemical fixation of CO2/CS2 to access iodoallenyl oxazolidinones and allenyl thiazolidine-thiones

X. Li, Q. Liu and W. Song, Chem. Commun., 2024, 60, 8756 DOI: 10.1039/D4CC02894E

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