| 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 |
|
![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]](https://www.chemblink.com/structures/32305-98-9.gif) |
| |
| 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 |
| Hazard Codes |
Xi |
| Risk Statements |
36/37/38 |
| Safety Statements |
26-36/37 |
| WGK Germany |
3 |
| F |
10-23 |
| HS Code |
29329990 |
| 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.
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
China
