136705-75-4

136705-75-4 - Names and Identifiers

Name	(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I)trifluoromethanesulfonate
Synonyms	(S,S)-ME-DUPHOS-RH (R,R)-ME-DUPHOS-RH (-)-1,2-BIS-((2R,5R)DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I) TRIFLATE (+)-1,2-BIS((2S,5S)-DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I) TRIFLATE (-)-1,2(2R,5R)-2,5-(DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TRIFLUOROMETHANESULFONATE (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene(cyclooctadiene)rhodium(I) trifluoromethanesulfon (+)-1,2-BIS((2S,5S)-2,5-DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TRIFLUOROMETHANESULFONATE (-)-1,2-BIS((2R,5R)-2,5-DIMETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TRIFLUOROMETHANESULFONATE (+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I)trifluoromethanesulfonate
CAS	136705-75-4

136705-75-4 - Physico-chemical Properties

Molecular Formula	C27H40F3O3P2RhS
Molar Mass	666.52
Melting Point	136.0-154.7°C
Appearance	crystal
Color	orange
Storage Condition	Refrigerator (+4°C)
Sensitive	air sensitive, store cold

136705-75-4 - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	3

136705-75-4 - Introduction

()-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene (1,5-cyclooacetadiene) rhodium(I)trifluoromethanesulfonate is an organometallic compound commonly abbreviated as [Rh(cod)(DMPB)][CF3SO3].

Properties of the compound:
-Molecular formula: C24H33F3O3P2RhS
-Molecular weight: 637.869g/mol
-Appearance: Colorless solid
-Melting point: approximately 80-85°C
-Solubility: Soluble in common organic solvents such as ethanol, dimethylformamide and dichloromethane.

Use of the compound:
- ( )-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I)trifluoromethanesulfonate are widely used in the field of organic synthesis, especially as catalysts in symmetric and asymmetric hydrogenation reactions. It can catalyze the hydrogenation of olefins, the hydrogenation of cyclopentadiene and the like.

Preparation Method:
The compound can be prepared by a ligand exchange reaction. A common preparation method is to react [Rh(cod)Cl]2 with phenyl-substituted 2,5-dimethylphosphonic acid (DMPB) in the presence of cadmium chloride and react the resulting chloride with trifluoromethanesulfonic acid to give the final product.

Safety Information:
-The current risk assessment of this compound is limited, so appropriate safety precautions should be taken when handling.
-The compound may be irritating and toxic to the human body, so contact with the skin and inhalation of its dust or gas should be avoided.
-During storage and handling, avoid contact with combustibles, ignition and heat sources.

Last Update：2024-04-10 22:29:15