Tetrahedron p. 5955 - 5966 (1990)
Update date:2022-08-05
Topics:
Sugimura, Takashi
Yoshikawa, Masato
Futagawa, Tohru
Tai, Akira
Enol ether of cyclohexanone carrying 2,4-pentanediol (PD) or 2,6-dimethyl-3,5-heptanediol (DMHD) as a chiral auxiliary was subjected to diastereo-differentiating cyclopropanation.The highest diastereomer excess (d.e.) of the product was found to be 95.2percent in the case of PD and over 99.5percent in the case of DMHD.The enol ethers prepared from various ketones and DMHD were also cyclopropanated in giving cyclopropyl ethers in almost 100percent d.e..
View MoreNanjing Raise Pharmatech Co., Ltd
website:http://www.raisechem.com
Contact:+86-25-58649566
Address:B381,No.606,Ningliu Road,Jiangbei New Area,Nanjing,Jiangsu Province,China
Suzhou SuKaiLu Chemical Technology Co., Ltd.
Contact:+86-512-62766020
Address:Floor 4, Building 1, Xinyi Pharmaceutical Valley Wisdom Industrial Park, 415 Changyang Street, Suzhou Industrial Park, Jiangsu Province
Contact:+86-22-83718541
Address:32th Floor, Rongqiao Center Intersection of Changjiang Road and Nankai Six Road Nankai District Tianjin 300102, China
shandong zhongke taidou chemical co.,ltd
Contact:86-531-88682301
Address:Jinan shandong Province CHina
Changsha Kamer Essence and Flavor Co.,Ltd
Contact:86-731-89832270
Address:No.327 Kangnin Road Changsha Bio Information Industry Park, Changsha city, Hunan province
Doi:10.1002/ejoc.200901092
(2010)Doi:10.1021/acs.orglett.9b03354
(2019)Doi:10.1016/j.tetlet.2010.02.097
(2010)Doi:10.1021/jm9018806
(2010)Doi:10.1002/ardp.201200180
(2012)Doi:10.1039/b907726j
(2009)