racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran]
- Catalog No. :
- ACYMBK569
- CAS No. :
- 556797-94-5
- Molecular Formula :
- C47H46O2P2
- Molecular Weight :
- 704.83
IUPAC Name:(4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[chromane]-8,8'-diyl)bis(diphenylphosphane)
![racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran] structure diagram](https://xchemchain-prod-1253699568.cos.ap-guangzhou.myqcloud.com/production/attachments/2026/07/22/62qz/556797-94-5.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIDT0SoARehYSEnT2RxQiomY7TcckkZDlIx%2F20260731%2Fap-guangzhou%2Fs3%2Faws4_request&X-Amz-Date=20260731T161321Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&response-content-disposition=attachment%3B%20filename%3D%22556797-94-5.png%22&x-id=GetObject&X-Amz-Signature=44fdff17d4feb4245c9bae8e2a2a6c91d1717fe2b54ca18e41949c17c2a6a4f1)
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Product Information
| Product Name | racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran] |
|---|---|
| IUPAC Name | (4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[chromane]-8,8'-diyl)bis(diphenylphosphane) |
| MDL No. | MFCD18827638 |
| Molecular Formula | C47H46O2P2 |
| Molecular Weight | 704.83 |
| SMILES | CC1=CC(P(C2=CC=CC=C2)C3=CC=CC=C3)=C(O4)C(C(C)(C)CC54CC(C)(C)C6=CC(C)=CC(P(C7=CC=CC=C7)C8=CC=CC=C8)=C6O5)=C1 |
| InChI Key | RQMTZMWXNZQOPD-UHFFFAOYSA-N |
| Synonym | MFCD18827638 | DTXSID501336643 | racemic-8,8'-Bis(diphenylphosphino)-3,3',4,4'-tetrahydro-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[2H-1-benzopyran] | SPANphos | SCHEMBL15327029 | CS-0108218 | (8'-diphenylphosphanyl-4,4,4',4',6,6'-hexamethyl-2,2'-spirobi[3H- |
| CAS No. | 556797-94-5 |
| PubChem CID | 12103420 |
Safety Data
- Pictogram
- Signal Word
- Achtung
- Hazard Statement(s)
- H302-H315-H319-H335-H413
- Precautionary Statement(s)
- P261-P273-P305+P351+P338-P501


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