850253-53-1

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Basic information

Product Name: (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS
Synonyms: (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS;(R)-DM-SEGPHOS(R);[(4R)-(4,4μ-bi-1,3-benzodioxole)-5,5μ-diyl]bis[bis(3,5-dimethylphenyl)phosphine], (R)-(+)-5,5μ-Β:is[di(3,5-xylyl)phosphino]-4,4μ-bi-1,3-benzodioxole;(R)-DM-SEGPHOS;(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole;(R)-(+)-DM-SEGPHOS(regR);(R)-(+)-DM-SEGPHOS®(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole, min. 98% (R)-(+)-DM-SEGPHOS(R)
CAS NO:850253-53-1
Molecular Formula: C₄₆H₄₄O₄P₂
Molecular Weight: 722.786682
EINECS: N/A
Product Categories: N/A
Mol File: 850253-53-1.mol
Article Data: 0

Chemical Properties

Melting Point: 256-261 °C
Boiling Point: 816.9±65.0 °C(Predicted)
Flash Point: N/A
Appearance: off white to pale yellow/Powder
Density: N/A
Refractive Index: N/A
Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
Solubility: N/A
CAS DataBase Reference: (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS(CAS DataBase Reference)
NIST Chemistry Reference: (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS(850253-53-1)
EPA Substance Registry System: (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS(850253-53-1)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany: 3
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 850253-53-1(Hazardous Substances Data)

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(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS
Cas No: 850253-53-1
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1 Gram
20 Metric Ton/Week
Henan Allgreen Chemical Co.,Ltd
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TIANFU-CHEM (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS
Cas No: 850253-53-1
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10 Kilogram/Month
Henan Tianfu Chemical Co., Ltd.
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Manufacturer supply CAS 850253-53-1 with best quality
Cas No: 850253-53-1
USD $ 139.0-210.0 / Kilogram
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Zhuozhou Wenxi import and Export Co., Ltd
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(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS
Cas No: 850253-53-1
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Shanghai Minstar Chemical Co., Ltd
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(R)-5,5"-Bis[di(3,5-xylyl)phosphino]-4,4"-bi-1,3-benzodioxole
Cas No: 850253-53-1
USD $ 2944.0-2944.0 / Gram
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Baoji Guokang Healthchem co.,ltd
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(R)-(+)-5,5'-Bis[Di(3,5-Xylyl)Phosphino]-4,4'-Bi-1,3-Benzodioxole
Cas No: 850253-53-1
USD $ 200.0-300.0 / Kilogram
1 Kilogram
1000 Kilogram/Month
Enke Pharma-tech Co.,Ltd. （Cangzhou, China ）
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(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole manufacture
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Hangzhou ZeErRui Chemical Co., Ltd.
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850253-53-1
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Suzhou Health Chemicals Co., Ltd.
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(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole,min.98%(R)-DM-SEGPHOS
Cas No: 850253-53-1
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Hunan chemfish Pharmaceutical co.,Ltd
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(R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole, Min. 98% (R)-(+)-DM-SEGPHOS
Cas No: 850253-53-1
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850253-53-1 Usage

Reaction

Biaryl bisphosphine ligand with narrow dihedral angle. The DM-SEGPHOS ligand, as the ruthenium complex, gives superior enantioselectivity and diastereoselectivity in the asymmetric hydrogenation of α-substituted-β-ketoesters. Copper catalyzed enantioselective [3 + 2] cycloaddition as a route to γ–amino ketones and 3-pyrrolidinones. Palladium catalyzed enantioselective addition of malonates to dihydroisoquinolines. Ruthenium catalyzed enantioselective synthesis of β amino acids by hydrogenation. Ruthenium catalyzed asymmetric hydrogenation of 3-quinuclidinone. See 44-0098 for Ru catalyst. Diastereoand enantioselective ruthenium-catalyzed hydrohydroxyalkylation of 2-silyl-butadienes. Asymmetric [2+2+2] cycloaddition. Linear selective C-H activation.

Uses

Takasago Ligands and Complexes for Asymmetric Reactions

Check Digit Verification of cas no

The CAS Registry Mumber 850253-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,2,5 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 850253-53:
(8*8)+(7*5)+(6*0)+(5*2)+(4*5)+(3*3)+(2*5)+(1*3)=151
151 % 10 = 1
So 850253-53-1 is a valid CAS Registry Number.

850253-53-1 Well-known Company Product Price

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(Code)Product description
CAS number
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Price
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TCI America
(D4499) (R)-(+)-DM-SEGPHOS^® >95.0%(HPLC)
850253-53-1
200mg
410.00CNY
Detail

TCI America
(D4499) (R)-(+)-DM-SEGPHOS^® >95.0%(HPLC)
850253-53-1
1g
1,420.00CNY
Detail

Aldrich
(692476) (R)-DM-SEGPHOS^®
850253-53-1
692476-100MG
338.13CNY
Detail

850253-53-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name	(R)-(3,5-xylyl)2PC7H4O2C7H4O2P(3,5-xylyl)2

1.2 Other means of identification

Product number	-
Other names	(R)-(+)-5,5'-BIS[DI(3,5-XYLYL)PHOSPHINO]-4,4'-BI-1,3-BENZODIOXOLE, (R)-DM-SEGPHOS

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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