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

Price	$6
Package	6kg

Product Details

Product Name: (-)-DIOP (-)-2,2-dimethyl-4,5-((diphenylphosphino)dimethyl)dioxolane	CAS No.: 32305-98-9
Min. Order: 1kg	Purity: High quality Professional Factory
Supply Ability: Ms Ella chemwill_asia@126.com www.chemwill.com	Release date: 2020/06/02

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]

Molecular Structure

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 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
F	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

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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

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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.

Website: http://www.chemwill.com

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 Industrial co.,Ltd is one of the leading GMP complied manufacturer of Organic compounds in CHINA. Our main production base is located in Jiangsu province. 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 - Active ingredient for Pharmaceutical and animal health (Human APIs and Veterinary APIs) - 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 Ms Ella Lee - Deputy Sales Manager Phone: +86 -21-51086038 Email: chemwill_asia@126.com;chemwill@hotmail.com To learn more about our factory, PLS visit: www.chemwill.com

Recommended supplier

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2,2-Dimethyl-1,3-dioxolane-4-methanol	$6.00/1KG	VIP1Y	Hebei Saisier Technology Co., LTD	2024-04-23
(4S)-2,2-Dimethyl-1,3-Dioxolane-4-Acetaldehyde	$2000.00/5g	VIP1Y	R&D Scientific Inc.	2024-02-11
2,2-Dimethyl-1,3-dioxolane-4-methanol	$8.00/25kg	VIP1Y	Hebei Jingbo New Material Technology Co., Ltd	2024-01-03

Product Details

Company Profile Introduction

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Recommended supplier

Chemwill Asia Co.,Ltd.

Min. Order:	1kg
Supply Ability:	Ms Ella chemwill_asia@126.com www.chemwill.com
Update Time:	2020-06-02