... SOC. 1979, 101, 2411. (19) Adapted from Hausman, EA; Grasso. J. R.; Pond, G. R. US. Patent 1 403 398, 1965; Chem. Abstr. ... Reaction of 30 with n-Butyllithium. In the same manner as de- Page 4. 3580 Journal of the American Chemical Society 1 102:lO 1 May 7, 1980 ...