p. 3720 - 3730
(2013/06/05)tert-butyl 3-hydroxy-3-[3-(trimethylsilyl)prop-2-yn-1-yl]piperidine-1-carboxylate
tert-butyl 3-{[(trifluoromethyl)sulfonyl]oxy}-1-oxa-7-azaspiro[4.5]dec-2-ene-7-carboxylate
phenylboronic acid
tert-butyl 3-oxo-1-oxa-7-azaspiro[4.5]decane-7-carboxylate
3-oxo-piperidine-1-carboxylic acid tert-butyl ester