... (6) A. Russell and JR Frye, "Organic Syntheses," Coll. Voi. ... Chem., 46, 2164 (1960); RA Finnegan, M. P. Morris, and C. Djeraasi, ibid., 26, 1180 (1961). ... J = 8 cps each) split again into doublets (J = 2 cps each) centered at 6.87 (2 H in 6 and 8 position), one skewed triplet (J = 8 cps ...