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Homecompany(-)-DIOP (-)-2,2-dimethyl-4,5-((diphenylphosphino)dimethyl)dioxolane
(-)-DIOP    (-)-2,2-dimethyl-4,5-((diphenylphosphino)dimethyl)dioxolane
(-)-DIOP    (-)-2,2-dimethyl-4,5-((diphenylphosphino)dimethyl)dioxolane

(-)-DIOP (-)-2,2-dimethyl-4,5-((diphenylphosphino)dimethyl)dioxolane

Price USD6.00
Packge 6kg
  • Min. Order:1kg
  • Supply Ability:Ms Ella chemwill_asia@126.com www.chemwill.com
  • Time:2020-06-02

Product Details

  • Product Name(-)-DIOP (-)-2,2-dimethyl-4,5-((diphenylphosphino)dimethyl)dioxolane
  • CAS No.32305-98-9
  • EINECS No.250-984-2
  • MFC31H32O2P2
  • MW498.54
  • InChIKeyVCHDBLPQYJAQSQ-WBOANQFRNA-N
  • AppearancePowderwhite
  • Melting point 88-90 °C(lit.)
  • storage temp. 2-8°C
  • Boiling point 590.3±25.0 °C(Predicted)
Name   (-)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane
Synonyms   (-)-DIOP; (4R,5R)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane; (4R,5R)-DIOP; (4R,5R)-trans-4,5-Bis[(diphenylphosphino)methyl]-2,2-dimethyl-1,3-dioxolane; (R)-DIOP; (R,R)-DIOP; [[(4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl]bis(methylene)]bis[diphenylphosphine]
copyRight
Molecular Structure   CAS # 32305-98-9, (-)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane, (-)-DIOP, (4R,5R)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane, (4R,5R)-DIOP, (4R,5R)-trans-4,5-Bis[(diphenylphosphino)methyl]-2,2-dimethyl-1,3-dioxolane, (R)-DIOP, (R,R)-DIOP, [[(4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl]bis(methylene)]bis[diphenylphosphine]
 
Molecular Formula   C31H32O2P2
Molecular Weight   498.53
CAS Registry Number   32305-98-9
EINECS   250-984-2
 
Properties
 
Solubility   Insuluble (2.1E-5 g/L) (25 ºC), Calc.*
Melting point   89-90 ºC**

 

(-)-DIOP Basic information

Product Name: (-)-DIOP
Synonyms: (2r,3r)-(-)-1,4-Bis(Diphenyl;(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane, 98% 1GR;(4R,5R)-(-)-4,5-Bis(diphenylphosphinoMethyl)-2,2-diMethyl-1,3-dioxolane,99% (R,R)-DIOP;(4R,5R)-(-)-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane (-)-DIOP (2R,3R)-(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane;)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(dipheny;(4R,5R)-(-)-2,2-Dimethyl-4,5-bis((diphenylphosphino)methyl)-1,3-dioxolane;(4R,5R)-(-)-4,5-Bis(diphenylphosphinoMethyl)-2,2-diMethyl-1,3-dioxolane,(R,R)-DIOP.;(-)-2,3-O-ISOPROPYLIDENE-2,3-*DIHYDROXY- 1,4-BIS(DIP
CAS: 32305-98-9
MF: C31H32O2P2
MW: 498.53
EINECS: 250-984-2
Product Categories: organophosphine ligand;Asymmetric Synthesis;Dioxanes & Dioxolanes;Dioxolanes;Phosphine Ligands;Synthetic Organic Chemistry;DIOP Series;Chiral Phosphine
Mol File: 32305-98-9.mol
(-)-DIOP Structure
 
(-)-DIOP Chemical Properties
Melting point  88-90 °C(lit.)
alpha  -26° (c 2.0, CHCl3)
storage temp.  0-6°C
form  Powder
color  white
optical activity [α]19/D 26°, c = 2.3 in chloroform
Sensitive  Air Sensitive
BRN  1441045
 
Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36/37
WGK Germany  3
10-23
HS Code  29329990
MSDS Information
Provider Language
SigmaAldrich English
ACROS English
ALFA English
 
(-)-DIOP Usage And Synthesis
Chemical Properties white powder
Purification Methods It has been recrystallised from *C6H6/pet ether. After 2 recrystallisations from EtOH, it was pure by TLC on silica gel using Me2CO/hexane as solvent. [Kagan & Dang J Am Chem Soc 94 6429 1972.] Lanthanide shift reagents See in “Aliphatic Compounds”, Chapter 4, europium (III) acetate above and Eu(tmc)3 and Eu(tfc)3 below.
 
(-)-DIOP Preparation Products And Raw materials

 

 

Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.

 

Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary,  Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place. 

 

Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. Our manufactory specialised in extreme temperature conditions (-100ºC to +300ºC), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, Mitsunobu reactions, enantioselective reactions and asymmetric synthesis. 

 

Think Chemistry,Think CHemWill

 

 

Factory Plant Address:
High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China


Shanghai office: (Export Department)
Address: 16FL., INDUSTRY & COMMERCIAL BUILDING, NO.45 YAN’AN ROAD(E), 200002, SHANGHAI, CHINA

 

 

---any inquiries will be replied within 12 hours.

---golden manufactory under iso/gmp with large stock.

---dedication to quality,we have strict quality control system. 

---oem/odm available.

---sample is available for your evaluation & formulation development.

 
 

 

 

PLS contact

Ms Ella Lee  -   Deputy Sales Manager  

 
Phone: +86 -21-51086038
 
Email: chemwill_asia@126.com;chemwill@hotmail.com

Company Profile Introduction

Over 30 years experience in the chemical industry, Chemwill Asia co.,Ltd is one of the leading manufacturer of Organic compounds in CHINA. We own GMP licence as well as ISO certificate paper. CHemwill employs over 165 peoples including professional technical experts and professional-trained workers. The sales volume of our company in 2018 is over 8.5 million dollars.
Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary,  Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place. 
 
Our advantageous business including: 

- Intermediate using for Pharmaceuticals

- Fluorine, boronic acids, unnatural amino acids, cross linkers,chiral building blocks

- Intermediate using for advanced performance materials
- Monomer & polymers, high performance, photosensitive and specialty chemicals 
- Electro chemical materials(Lithium Battery, Photoresist, semiconductor, IT-related chemicals) 
 
* Custom synthesis from the laboratory scale to commercial production. 
* Contract research, custom manufacturing and contract-manufacture 
 
Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. Our manufactory specialised in extreme temperature conditions (-100ºC to +300ºC), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, Mitsunobu reactions, enantioselective reactions and asymmetric synthesis.

Think Chemistry,Think CHemWill

Chemwill Asia Co.,Ltd.

Shanghai CHINA
  • Since:2004-09-01
  • Address: BLDG 9,No.235 Sanlin road,Pudong new district,Shanghai,China
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