502923-97-9Relevant academic research and scientific papers
Reinvestigatioan of base-induced skeletal conversion via a spirocyctic intermediate of dibenzodithiocinium derivatives and a computational study using the HF/6-31G* basis set
Okada, Keiji,Tanaka, Masato
, p. 2704 - 2711 (2007/10/03)
Treatment of 6-methyl-12-oxo-5H,7H-dibenzo[b,g][1,5]dithiocinium salt (1a) with methanolic KOH afforded a mixture of dibenzothiepin derivative 5 in 66% yield. The rearrangement was explained in terms of usual [2,3]-sigmatropic shift via a spirocyclic inte
