266363-50-2Relevant academic research and scientific papers
N-(3-benzo[b]thienyl)iminophosphoranes toward the synthesis of benzo[b]thieno[3,2-b]pyridines: Reactivity and alternative regioselectivity with α,β-unsaturated ketones and aldehydes
Bonini, Carlo,Chiummiento, Lucia,Funicello, Maria,Spagnolo, Piero
, p. 1517 - 1521 (2007/10/03)
The novel N-(3-benzo[b]thienyl)iminophosphoranes 1b-d react with α,β- unsaturated aldehydes and ketones 2a-e to give varying mixtures of the regioisomeric benzothieno[3,2-b]pyridines 3a-d and 4a-d as a result of preferential attack of either imino nitroge
