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(S)-(-)-2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL

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Origin: China

Cas No: 99646-28-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Property
CAS No.: 99646-28-3 Formula: C48H40P2 Molecular Weight: 678.77900

Basic Info

Chemical Name (S)-(-)-2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL

Synonyms

CAS No. 99646-28-3

Molecular Formula C48H40P2

Molecular Weight 678.77900

PSA 27.18000

LogP 10.41000

Properties

Appearance & Physical State White to cream powder

Boiling Point 754.4ºC at 760mmHg

Melting Point 255-257ºC

Flash Point 438.8ºC

Safety Info

Safety Statements S37/39; S26

Risk Statements R36/37/38

Hazard Codes Xi

Synthesis Route
2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl dioxide→(S)-(-)-2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL
bis(4-methylphenyl)bromophosphine+(S)-(+)-1,1-Binaphthol-2,2-Bis(Trifluoromethanesulfonate)→(S)-(-)-2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL
chloro-bis(4-methylphenyl)phosphane+(S)-(+)-1,1-Binaphthol-2,2-Bis(Trifluoromethanesulfonate)→(S)-(-)-2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL

Precursor
(+/-)-2,2-Dibromo-1,1-Binaphthyl
2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl dioxide
(S)-(+)-1,1-Binaphthol-2,2-Bis(Trifluoromethanesulfonate)
bis(4-methylphenyl)bromophosphine

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