Barrett, A G 5,10,15,20-Tetraphenylporphyrinatorhodium(III) iodide catalyzed cyclopropanation reactions of alkenes using glycine ester hydrochloride. [electronic resource] - The Journal of organic chemistry Nov 2001 - 8260-3 p. digital Publication Type: Journal Article ISSN: 0022-3263 Standard No.: 10.1021/jo0108111 doi