Regioselective nucleophilic 1, 4-trifluoromethylation of 2-polyfluoroalkylchromones with (trifluoromethyl) trimethylsilane. Synthesis of fluorinated analogs of natural 2, 2 …

VY Sosnovskikh, BI Usachev…

Index: Banerji, A.; Goomer, N. C. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 9 p. 885 - 886

Full Text: HTML

Citation Number: 70

Abstract

... The Journal of Organic ... stability, 2,2-dimethylchromenes have an important role and are valuable intermediates for synthetic purposes in 2,2-dimethylchroman chemistry. ... ranging between 5.4−5.7 and 6.8−7.2 ppm for the CH CH moiety; the coupling constant was J AX = 10.1 Hz ...