Mohamed F.A.; Mohareb R.M.
(Emerald Group Publishing Ltd., 2014)
Ethyl 2-diazo-4, 5, 6, 7-tetrahydrobenzo[b] thiophene-3-carboxylate is reacted with malononitrile to give a hydrazone derivative. The latter product is reacted with 1-diazobenzene-4-?-sulphatoethylsulphone (PABSES) to give ...