@article{oai:niigata-u.repo.nii.ac.jp:00001616,
 author = {Sato, Tsutomu and Hoshino, Tsutomu and Abe, Takamasa},
 issue = {23},
 journal = {Chemical communications, Chemical communications},
 month = {Dec},
 note = {Site-directed mutagenesis experiments with W169F, W169H and W489F for the squalene-hopene cyclase, and the formation of 10 possessing the five-membered D-ring and a tetrahydrofuran moiety as the enzyme product of the analogue 8 with a hydroxy group, strongly suggest that a ring expansion reaction from the five- to the six-membered ring is responsible for the D-ring formation of hopene.},
 pages = {2617--2618},
 title = {On the cyclization mechanism of squalene : a ring expansion process of the five-membered D-ring intermediate},
 volume = {1998},
 year = {1998}
}