136705-77-6

136705-77-6 - Names and Identifiers

Name	(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate
Synonyms	Bisdiethylphospholanobenzenecyclooctadienerhodiumtrifluorometanesulfon (-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium(I) trifluoromethanesulfona (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium(I) trifluoromethansulfonate 1,2-Bis[(2R,5R)-2,5-diethylphospholano]benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate (-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate (-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium(I)trifluoromethanesulfonate(r,r)-et-duphos-rh
CAS	136705-77-6

136705-77-6 - Physico-chemical Properties

Molecular Formula	C31H48F3O3P2RhS
Molar Mass	722.62
Appearance	crystal
Color	orange
Exposure Limit	ACGIH: TWA 1 mg/m3NIOSH: IDLH 100 mg/m3; TWA 0.1 mg/m3
Storage Condition	Refrigerator (+4°C)
Sensitive	Air Sensitive

136705-77-6 - 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
HS Code	29310099

136705-77-6 - Introduction

(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate is an organic compound commonly abbreviated as (-)-[(S,S)-Dienes].

Nature:
(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate is a chiral compound in the solid state. It is a complex of two (2R,5R)-2,5-diethylphosphonobenzene molecules bridged by cyclooctadiene with normal tetrahedrally coordinated cyclooctadiene rhodium (I). The structure of the compound contains a Rh(I) metal center and a ligand molecule.

Use:
(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate are commonly used as chiral catalysts in organic synthesis. It can be used in a variety of organic reactions, such as asymmetric hydrogenation, asymmetric nucleophilic substitution, asymmetric cycloaddition, etc. Due to its chiral nature, the compound can effectively control the formation of optically active products.

Preparation Method:
The preparation of this compound usually requires the synthesis of (R,R)-1,2-bis ((2R,5R)-2,5-diethylphosphono) benzene (1,5-cyclooctadiene) rhodium (I) triflate. It is then converted to (-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate by a chiral conversion reaction. The preparation of this compound requires certain organic synthesis techniques.

Safety Information:
(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate has relatively limited safety information. It is an organometallic compound and should be handled in accordance with routine laboratory safety operations. Due to its toxicity and irritation, avoid contact with skin, eyes and inhalation. When in use, wear appropriate protective equipment such as gloves, glasses and respiratory protection.

Please note that the use and operation of chemicals should follow relevant regulations and accident handling methods to ensure safe operation. Detailed information on the properties and safety of the compound should be obtained before use and professional advice should be consulted.

Last Update：2024-04-09 21:04:16