ACETYLENIC AMIDES .3. THE SYNTHESIS OF 5-METHYLENE-2,4-IMIDAZOLIDINEDIONES FROM 2-PROPYNAMIDES AND ISOCYANATES

Authors
COPPOLA GM DAMON RE
Citation
Gm. Coppola et Re. Damon, ACETYLENIC AMIDES .3. THE SYNTHESIS OF 5-METHYLENE-2,4-IMIDAZOLIDINEDIONES FROM 2-PROPYNAMIDES AND ISOCYANATES, Journal of heterocyclic chemistry, 32(4), 1995, pp. 1141-1144
Citations number
14
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Journal of heterocyclic chemistry → ACNP
ISSN journal
0022152X
Volume
32
Issue
4
Year of publication
1995
Pages
1141 - 1144
Database
ISI
SICI code
0022-152X(1995)32:4<1141:AA.TSO>2.0.ZU;2-0
Abstract
2-Propynamides react with aryl isocyanates in the presence of triethyl amine to give 5-methylene-2,4-imidazolidinediones 5 in good yields. If the propynamide contains a terminal trimethylsilyl group, Z-trimethyl silylidenehydantoin (7) is produced.