R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN

CAS No.：503538-68-9

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R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN Basic information

Product Name:	R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN
Synonyms:	(S)-SYNPHOS(R);(S)-SYNPHOS(TM);S-(-)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN;(S)-(-)-[(5,6),(5',6')-BIS(ETHYLENEDIOXY)BIPHENYL-2,2'-DIYL](DIPHENYLPHOSPHINE);(R)-SYNPHOS(R);(R)-SYNPHOS(TM);R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN;(R)-(+)-[(5,6),(5',6')-BIS(ETHYLENEDIOXY)BIPHENYL-2,2'-DIYL](DIPHENYLPHOSPHINE)
CAS:	503538-68-9
MF:	C40H32O4P2
MW:	638.63
EINECS:
Product Categories:	Chiral Phosphine;SYNPhos
Mol File:	503538-68-9.mol

R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN Chemical Properties

Melting point	>260 °C
Boiling point	738.4±60.0 °C(Predicted)
storage temp.	Inert atmosphere,Room Temperature
form	Powder
color	white

Safety Information

HS Code

29310099

MSDS Information

Provider	Language
ACROS	English

R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN Usage And Synthesis

Chemical Properties

White crystalline powder

Reactions

A chiral diphosphine ligand used in the highly-enantioselective hydrogenation of ketoesters, hydroxyketones, ketophosphonates and succinates.
A ligand used for the dynamic kinetic resolution of α,β−unsaturated lactones via asymmetric copper-catalyzed conjugate reduction.
Used in the intramolecular Heck reaction for the synthesis of diterpenoids.
Used in asymmetric Pauson-Khand reaction.
Used in asymmetric iminonitroso Diels-Alder reaction.
Palladium catalyzed asymmetric hydrogenation of N-tosyl ketimines

R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN Preparation Products And Raw materials

Raw materials

Phosphine oxide, (2,3-dihydro-1,4-benzodioxin-6-yl)diphenyl--->Phosphine oxide, (2,3-dihydro-5-iodo-1,4-benzodioxin-6-yl)diphenyl--->6-BROMO-1,4-BENZODIOXANE-->1,4-Benzodioxan

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