Compound Q&A
What are the main uses of racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran] (CAS: 556797-94-5)?
Answer
![racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran]](https://static.chemtradehub.com/structs/556/556797-94-5-fcc4.webp "racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran]")
Racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran] is primarily used as a chiral ligand in asymmetric catalysis, playing a critical role in the synthesis of enantiomerically pure compounds for pharmaceuticals and agrochemicals.
About
CAS No
556797-94-5
English Name
racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran]
Molecular Formula
C47H46O2P2
Molecular Weight
704.83 g/mol
SMILES
Cc1cc(P(c2ccccc2)c2ccccc2)c2c(c1)C(C)(C)CC1(O2)Oc2c(cc(cc2C(C1)(C)C)C)P(c1ccccc1)c1ccccc1
InChIKey
RQMTZMWXNZQOPD-UHFFFAOYSA-N
Last Updated: 2026-03-24 17:56
![racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran] — JiangSuAiKangShengWuYiYaoYanFa Co Ltd](https://static.chemtradehub.com/suppliers/67cec9452b2de6e8e95a52fa/67cec9452b2de6e8e95a52fa-logo.webp){kind=logo}
![racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran] — Shanghai Jixiang Biotechnology Co., Ltd.](https://static.chemtradehub.com/suppliers/67ce6f4d2b2de6e8e95a45bf/67ce6f4d2b2de6e8e95a45bf-logo.webp){kind=logo}