for the following products
(4'S)-4'-Ethyl-7',8'-dihydro-4'-hydroxyspiro(1,3-dioxolane-2,6'(3'H)-(1H)pyrano(3,4-f)indolizine)-3',10'(4'H)-dione and (S)-4-Ethyl-6,6-(ethylenedioxy)-7,8-dihydro-1H-pyrano[3,4-f]indolizine-3,10(4H)-dione
Chemvon Biotechnology (Shanghai) Co. Ltd., established at the end of 2004 ,is a high-technology manufacturer in the field of pharmaceutical and fine chemical industry. From origins as a research group in technology service, Chemvon has progressed into an integrated company offering a range of intermediates, APIs , and new chemical entities in 5 manufacturing sites in China mainland.
Since the inception of our company we have accumulated expert knowledge in the areas of asymmetric synthesis...
