136696-29-2Relevant academic research and scientific papers
Studies of Polycyclic Thiaarenes: Part II. An Improved Synthesis of Phenanthrothiophene and a Synthesis of Acenaphthonaphthothiophene, a Novel Polynuclear Thiaarene
Kar, Gandhi K.,Karmakar, Arun C.,Ray, Jayanta K.
, p. 999 - 1002 (2007/10/02)
An improved synthesis of phenanthrothiophene (6) from 1-chloro-3,4-dihydrophenanthrene-2-aldehyde (2) by condensation with thioglycolate followed by hydrolysis, decarboxylation and dehydrogenation is described.A new polycyclic thiophene derivative 14 has also been prepared from acenaphthothiophene (7) by Friedel-Craft's reaction with phthalic anhydride followed by lactonization of the keto carboxylic acid 9 and then reduction and finally cyclisation of the resultant aldehyde 13.
