Chloro[(R)-(+)-5,5'-bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) chloride [RuCl(p-cymene)((R)-segphos)]Cl
Synonym(s):Chloro[(R)-(+)-5,5′-bis(diphenylphosphino)-4,4′−bi−1,3−benzodioxole](p-cymene)ruthenium(II) chloride
- CAS NO.:944451-28-9
- Empirical Formula: C48H40Cl2O4P2Ru
- Molecular Weight: 914.76
- MDL number: MFCD09753017
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:32
What is Chloro[(R)-(+)-5,5'-bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) chloride [RuCl(p-cymene)((R)-segphos)]Cl?
The Uses of Chloro[(R)-(+)-5,5'-bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) chloride [RuCl(p-cymene)((R)-segphos)]Cl
Takasago Ligands and Complexes for Asymmetric Reactions
Reactions
1. Highly active highly enantioselective catalyst for hydrogenation of functionalized ketones. Slightly
higher temperature is necessary to activate the cymene complexes.
2. Asymmetric hydrogenation of α-substituted-β-alkyl-β-ketoesters accompanied by dynamic kinetic resolution.

Properties of Chloro[(R)-(+)-5,5'-bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) chloride [RuCl(p-cymene)((R)-segphos)]Cl
| Melting point: | >100°C |
| storage temp. | 2-8°C |
| Water Solubility | Insoluble in water |
| form | Powder |
| color | yellow |
| Sensitive | air sensitive |
Safety information for Chloro[(R)-(+)-5,5'-bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) chloride [RuCl(p-cymene)((R)-segphos)]Cl
Computed Descriptors for Chloro[(R)-(+)-5,5'-bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole](p-cymene)ruthenium(II) chloride [RuCl(p-cymene)((R)-segphos)]Cl
New Products
N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine(RM for Indian lab) (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (R)-1-Benzyl-3-pyrrolidinecarbonitrile Bupropian related compound F Lantanoprost rc B Clidinium Bromide Impurity Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity N-Nitroso hydroxy Cetrizine EP Impurity-A 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 1,4-bis(methylsulfonyl)butane 4-Cyano-N-Methacryloyl-3-Trifluoromethyl Aniline 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene 2-Chloro Benzylcyanide 3,4 Diethoxy Benzylcyanide 3,4 Dimethoxy Benzylcyanide 3-chlorobenzyl cyanide 3-Hydroxypropionitrile 4-Bromo BenzylcyanideRelated products of tetrahydrofuran
ruthenium(II)chloride[RuCl (p-cymene)((S)-segphos)]Cl](https://img.chemicalbook.in/CAS/20211123/GIF/944451-29-0.gif)
![Chloro{(R)-(+)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole} (p-cymene)ruthenium(II)chloride[RuCl(p-cymene)((R)-dm-segphos)]Cl](https://img.chemicalbook.in/CAS/20180808/GIF/944451-30-3.gif)
![Chloro{(R)-(-)-5,5'-bis[di(3,5-di-t-butyl-4-methoxyphenyl)phosphino]-4,4'-bi-1,3-benzodioxole}(p-cymene)ruthenium(II)chloride[RuCl(p-cymene) ((R)-dtbm-segphos)]Cl](https://img.chemicalbook.in/CAS/20210111/GIF/944451-32-5.gif)
![Chloro{(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole} (p-cymene)ruthenium(II)chloride[RuCl(p-cymene)((S)-dm-segphos)]Cl](https://img.chemicalbook.in/CAS/20211123/GIF/944451-31-4.gif)
![Chloro{(S)-(+)-5,5'-bis[di(3,5-di-t-butyl-4-methoxyphenyl)phosphino]-4,4'-bi-1,3-benzodioxole}(p-cymene)ruthenium(II)chloride[RuCl(p-cymene) ((S)-dtbm-segphos)]Cl](https://img.chemicalbook.in/CAS/20180808/GIF/944451-33-6.gif)

![PHENYLALLYLCHLORO-[1,3-BIS(DIISOPROPYLPHENYL)IMIDAZOLE-2-YLIDENE]PALLADIUM(II)](https://img.chemicalbook.in/CAS/GIF/884879-23-6.gif)
amido}(mesitylene)ruthenium(II), min. 90% RuCl[(R,R)-Tsdpen(mesitylene)](https://img.chemicalbook.in/CAS/20150408/GIF/174813-82-2.gif)
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