REACTION OF 3-ARYL-2-CYANOTHIOACRYLAMIDES WITH ELECTRON-DEFICIENT ALKYNES - SYNTHESIS OF 4-ARYL-4H-THIOPYRANS

Authors
BLOXHAM J DELL CP
Citation
J. Bloxham et Cp. Dell, REACTION OF 3-ARYL-2-CYANOTHIOACRYLAMIDES WITH ELECTRON-DEFICIENT ALKYNES - SYNTHESIS OF 4-ARYL-4H-THIOPYRANS, Journal of the Chemical Society. Perkin transactions. I, (8), 1994, pp. 989-993
Citations number
24
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Journal of the Chemical Society. Perkin transactions. I → ACNP
ISSN journal
0300922X
Issue
8
Year of publication
1994
Pages
989 - 993
Database
ISI
SICI code
0300-922X(1994):8<989:RO3WEA>2.0.ZU;2-H
Abstract
The 3-aryl-2-cyanothioacrylamides 2-4 react well with methyl propiolat e and dimethyl acetylenedicarboxylate yielding the thiopyrans 8-13. Re actions with less activated alkynes proceed sluggishly, if at all.