Synthesis of optically active natural carotenoids and structurally related compounds. X. Synthesis of (3R,3'S,5'R)-capsanthin, 3S,5R,3'S,5'R)-capsorubin, (3'S,5'R)-cryptocapsin, and some related compounds. A new approach to optically active, five-membered-ring carotenoid building units by hydroboration

R&D Labs maybe for 89155-90-8

• Ningbo Distant Chemicals Co.,Ltd

  Contact:86-574-27862490,27862438

  Address:5F-3,#54 DaShaNi street,Ningbo,CHINA

• Yuan Shi(SuQian)Biotechnology Co.,Ltd

  website:http://www.yuanshibio.com

  Contact:+86-527-84226672

  Address:jiangsu suqian

• Sinonine Industry Co.,Ltd

  Contact:86+21-56421993

  Address:3F,BUILDING 10,NO.2889 JINKE ROAD, SHANGHAI.

• Tianjin SPHINX SCIENTIFIC LAB.

  Contact:+86-022-66211289

  Address:Tianda high-tech Park. No.80,the 4th Avenue

• Greenutra Resource Inc

  website:http://www.greenutra.cn

  Contact:0086-411-39553357

  Address:No. 7-1-1802, Huizhi Garden,Ocean Square,Dalian, 116033, China