Заранее благодарю.
J. Org. Chem. 1992. 57: 4243-4249.
Nagao Y., Nagase Y., Kumagai T., Matsunaga H., Abe T., Shimada O., Hayashi T., Inoue Y.
b-Lactams. 3. Asymmetric total synthesis of new non-natural 1b-methylcarbapenems exhibiting strong antimicrobial activities and stability against human renal dehydropeptidase-I.
- DOI:
http://dx.doi.org/10.1021/jo00041a033