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

• ANHUI CHEM-BRIGHT BIOENGINEERING CO.,LTD

  Contact:86-561-4080321

  Address:No.8 Lieshan Industrial Zone of Huaibei

• Nanjing Chemzam Pharmtech Co., Ltd.

  Contact:+86-25-86462165,+86-13915979898

  Address:C5-1，6 Maiyue Road，Maigaoqiao，Nanjing，Jiangsu，China

• Daqing New Century Fine Chemical Co., Ltd.(expird)

  Contact:010-57126694

  Address:No.39, jinxing cun, honggang district

• Hebei Think-Do Environment Co., Ltd

  website:http://www.thinkdo-environment.com

  Contact:0311-86510809

  Address:No 6, Shilian Middle Street, Circular Chemical Industry Park

• HaiNan Periwinkle Pharmaceutical Co.,Ltd.

  website:http://www.cchpharm.com/en/index.html

  Contact:020-82208978

  Address:Gongye road,Wuzhishan city,HaiNan province