p. 781 - 787
(2016)p. 1199 - 1209
(2020/03/17)p. 8786 - 8790
(2008/03/13)6-Azabicyclo<3.2.0>hept-3-en-7-one
(+/-)-cis-2-amino-3-cyclopentenecarboxylic acid
2-amino-cyclopent-3-enecarboxylic acid ethyl ester
sodium ethanolate
ethyl (1SR,2RS,3RS,5RS)-2-(tert-butoxycarbonylamino)-6-oxabicyclo[3.1.0]hexane-3-carboxylate
ethyl (1RS,2RS,3RS,4RS)-4-azido-2-(tert-butoxycarbonylamino)-3-hydroxycyclopentane-1-carboxylate
ethyl (1SR,2RS,3RS,4RS)-4-azido-2-(tert-butoxycarbonylamino)-3-hydroxycyclopentane-1-carboxylate
ethyl (1SR,2RS,3SR,5RS)-2-(tert-butoxycarbonylamino)-6-oxabicyclo[3.1.0]hexane-3-carboxylate
ethyl (1RS,2RS,3SR,4SR)-4-azido-2-(tert-butoxycarbonylamino)-3-hydroxycyclopentane-1-carboxylate
ethyl (1SR,2RS,3SR,4SR)-4-azido-2-(tert-butoxycarbonylamino)-3-hydroxycyclopentane-1-carboxylate