Synthetic communications

A new convenient method for preparation of condensed aromatic and heterocyclic thiolactones

D Végh, J Morel, B Decroix…

Index: Vegh; Morel; Decroix; Zalupsky Synthetic Communications, 1992 , vol. 22, # 14 p. 2057 - 2061

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Citation Number: 8

Abstract

Daniel Ve'gha, Jean Morelb. Bernard Decroixb and Peter ZdlupsGa ... Cyclocondensation of the benzylic-type thiols (Ib-VIb) in ortho position on aromatic and heteroaromatic carboxylic acids to form the corresponding thiolac- tones (Ic-VIc) can be effected with polyphosphate esters (PPE) in organic sol- vents in 75-90% yields. ... Growing interest in the synthetic utilization of aromatic and heteroaromatic thio- ... We reported3, the formation, in 3040% yield, of ...