Formation of heterocyclic compounds from 1,3-diazabuta-1,3-diene derivatives
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 14,p. 1528-1532
- https://doi.org/10.1039/p19760001528
Abstract
N-Trimethylsilyl(diphenylmethylene)amine gives quantitatively various open-chain 1,3-diazabutadienes (V) by coupling with benzimidoyl chlorides. The 1,3-diazabutadienes react with isocyanates, diphenylketen, diketen (4-methyleneoxetan-2-one), and dimethyl acetylenedicarboxylate to give the 3,4-dihydro-1,3,5-triazin-2(1H)-ones (VI), the azetidinone (VIII), the dihydro-1,3-oxazinones (XII), and the pyrimidinone (XIV), respectively.Keywords
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