71042-55-2

71042-55-2 - Names and Identifiers

Name	(2R,3R)-bicyclo[2.2.1]hept-5-ene-2,3-diylbis(diphenylphosphane)
Synonyms	(-)-NORPHOS (R,R)-NORPHOS (2R,3R)-(-)-2,3-BIS(DIPHENYLPHOSPHINO) B IC.(2.2.1)HEPT-5-EN (1α,4α)-5β,6α-Bis(diphenylphosphino)bicyclo[2.2.1]hepta-2-ene (2R,3R)-(-)-2,3-Bis(diphenylphosphino)-bicylo[2.2.1]hept-5-ene (2R,3R)-(-)-2,3-BIS(DIPHENYLPHOSPHINO)BICYCLO[2.2.1]HEPT-5-ENE (2R,3R)-bicyclo[2.2.1]hept-5-ene-2,3-diylbis(diphenylphosphane) (2R,3R)-(-)-2,3-BIS(DIPHENYLPHOSPHINO)BICYCLO[2.2.1]HEPT-5-ENE (R,R)-NORPHOS
CAS	71042-55-2
InChI	InChI=1/C31H28P2/c1-5-13-26(14-6-1)32(27-15-7-2-8-16-27)30-24-21-22-25(23-24)31(30)33(28-17-9-3-10-18-28)29-19-11-4-12-20-29/h1-22,24-25,30-31H,23H2/t24?,25?,30-,31-/m1/s1

71042-55-2 - Physico-chemical Properties

Molecular Formula	C31H28P2
Molar Mass	462.51
Melting Point	120-125 °C
Boling Point	577.0±50.0 °C(Predicted)
Specific Rotation(α)	-47° (c 1, CHCl3)
Flash Point	322.5°C
Vapor Presure	1.04E-12mmHg at 25°C
Appearance	crystal
Color	white
Storage Condition	2-8°C
Sensitive	air sensitive

71042-55-2 - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
WGK Germany	3
FLUKA BRAND F CODES	10-23
TSCA	No

71042-55-2 - Introduction

(2R,3R)-bicyclo[2.2.1]hept-5-ene-2,3-diylbis(diphenylphosphane), also known as (2R,3R)-bisdiphenylphosphinobacycloheptene, is an organic compound. Its chemical formula is C25H24P2 and its molecular weight is 382.41g/mol.

The compound is a chiral molecule that can exist in two enantiomers, namely (2R,3R) and (2S,3S). Here, the (2R,3R) enantiomer is meant.

Nature:
(2R,3R)-bicyclo[2.2.1]hept-5-ene-2,3-diylbis(diphenylphosphane) is a colorless crystal with good solubility. Its melting point is about 185-190°C.

Use:
This compound is a chiral ligand with a wide range of applications. It can be used as a ligand for metal-catalyzed reactions such as asymmetric hydrogenation, asymmetric hydrogenation, and asymmetric nucleophilic substitution. In addition, it can also be applied to the asymmetric catalytic synthesis of organic compounds.

Preparation Method:
(2R,3R)-bicyclo[2.2.1]hept-5-ene-2,3-diylbis(diphenylphosphane) can be obtained by a synthetic process. A typical method of preparation is by stereoselective hydrogenation using a range of catalysts and reaction conditions.

Safety Information:
Specific safety information about this compound is not easy to find. However, in general, when using and handling organic compounds, it is necessary to follow laboratory safety procedures and take appropriate measures, such as wearing gloves, wearing goggles, and operating under well-ventilated conditions. If you need further safety information on this compound, it is recommended to consult the detailed chemical safety information or relevant literature.

Last Update：2024-04-10 22:29:15