Tetrahedron Letters p. 2643 - 2646 (1990)
Update date:2022-07-29
Topics:
Van Dyk, Martha S.
Steynberg, Jan P.
Steynberg, Petrus J.
Ferreira, Daneel
The flavan-3-ols (+)-catechin and (-)-epicatechin were selectively transformed to their 3′,4′-di-O-methyl- and 5,7-di-Omethyl-ethers respectively via benzyl carbonates. Such a regioselectivity is facilitated by marked differences in the pKa values of the
View MoreJinan Yufeng Bioengineering Co., Ltd.
Contact:+86-531-83130545/83130528/83130525/83130505
Address:Rm415,Building2,No19,Huaneng Road,Jinan, Shandong, China
Shanghai better-in Medical Technology Co.,LTD.
Contact:+86-21-38921049
Address:Lane 720 zhangjianggaoke cailun road, Pudong, Shanghai, room 513
shijiazhuang alkay chemicals co..ltd(expird)
Contact:86-311-67692035
Address:2601,juntang building,qiaodong district,shijiazhuang
Jinan Boss Chemical Industry Co., Ltd.【revoke the business license】
website:http://www.chemboss.com.cn
Contact:+86-531-58591595
Address:No2.Hualong Road, Jinan, China
Shandong Xingshun New Material Co., Ltd.
website:http://www.sd-xingshun.com
Contact:+86-519-86461196/+86-519-86464994
Address:Middle of Luhua East Road, Dingtao District
Doi:10.1246/cl.1985.441
(1985)Doi:10.1016/S0040-4020(01)86888-5
(1987)Doi:10.1515/bchm2.1960.320.1.218
(1960)Doi:10.1007/BF00903009
(1959)Doi:10.1016/0040-4039(96)00232-8
(1996)Doi:10.1016/S0040-4039(00)98351-5
(1985)
