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Cyclopenta[1,2-b:4,3-b']dithiophen-7-one synthesis

4synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: n-butyllithium; diisopropylamine / hexane; tetrahydrofuran / 2 h / -78 °C
1.2: 18 h / 20 °C
2.1: pyridinium chlorochromate / dichloromethane / 0 °C
3.1: copper / N,N-dimethyl-formamide / 3 h / 145 °C / Microwave irradiation

References:

Wanwong, Sompit;Poe, Ambata;Balaji, Ganapathy;Thayumanavan [Organic and Biomolecular Chemistry,2014,vol. 12,# 15,p. 2474 - 2478]