Improved procedure for the preparation of chiral 1,2-epoxybutanes: Total synthesis of (S)-3'-hydroxy-Δ9-tetrahydrocannabinol, a highly active metabolite of Δ9-tetrahydrocannabinol

R&D Labs maybe for 93246-20-9

• Shanghai Yuking Water Soluble Material Tech Co., Ltd

  Contact:86-21-68286299

  Address:4F, 13B, No. 600, South Xinyuan Road 201306, Shanghai, China

• NEM CHEMICAL CO.，LTD

  website:http://www.NEM.COM.CN

  Contact:+86-393-4411771

  Address:The west section of shengli Road,Puyang,Henan Province,China

• Linyi VIHO Chemical Co.,Ltd

  Contact:86-15588110016

  Address:LINYI CITY,SHANDONG PROVINCE,CHINA

• A-Chem Technologies Co.,Ltd.

  Contact:+86-512-69561895

  Address:No.111, Building A4, 218 Xinghu Street, Suzhou Industrial Park, P. R. China

• PINGYUAN SIHUAN PHARMACEUTICAL CO., LTD

  Contact:+86-531-55696072

  Address:#2766,yinxiu Road, Economic Development Zone, Pingyuan Country, Shandong Province, China.