反应条件
sodium methylate; trifluoroacetic acid
1) 0 deg C, 2 h then 4 deg C, overnight, 2) CDCl3; Yield given. Multistep reaction;
参考文献
Agarwal, Shiv K.; Boyd, Derek R.; Dunlop, Robert; Jennings, W. Brian
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1988 , p. 3013 - 3018