Opens the cyclopropane ring of a number of related 4α-methyl-9β-19-cyclosterols, but not those with a 4β-methyl group, with formation of an 8(9) double bond. Involved in the synthesis of plant sterols.
Heintz, R. and Benveniste, P. Plant sterol metabolism. Enzymatic cleavage of the 9β,19β-cyclopropane ring of cyclopropyl sterols in bramble tissue cultures. J. Biol. Chem.249 (1974) 4267–4274. [PMID: 4369016]
Rahier, A., Schmitt, P. and Benveniste, P. 7-oxo-24ξ(28)-dihydrocycloeucalenol, a potent inhibitor of plant sterol biosynthesis. Phytochemistry21 (1982) 1969–1974.