methanol; copper diacetate; trimethylsilyl trifluoromethanesulfonate 1.) MeCN, 25-30 deg C, 8 h, 2.) heating, 0.5 h; Yield given. Multistep reaction;

methanol; copper diacetate; trimethylsilyl trifluoromethanesulfonate 1.) MeCN, 25-30 deg C, 8 h, 2.) heating, 0.5 h; Yield given. Multistep reaction;

(heating);