N-BENZYLQUININIUM CHLORIDE Chemical Properties

Melting point:

200-205 °C (dec.) (lit.)

refractive index 

227.5 ° (C=1.5, H2O)

storage temp. 

2-8°C

solubility 

freely sol H2O, alcohols, acetone; slightly sol EtOAc; sparingly sol CHCl3

form 

powder to crystal

color 

White to Light yellow

optical activity

[α]20/D 235°, c = 1.5 in H2O

BRN 

5702637

CAS DataBase Reference

67174-25-8

Safety Information

Safety Statements 

22-24/25

WGK Germany 

3

HS Code 

29339900

MSDS

• Language:English Provider:SigmaAldrich

N-BENZYLQUININIUM CHLORIDE Usage And Synthesis

Chemical Properties

Off-white to brown powder

Uses

N-Benzylquininium chloride can be used as a phase transfer catalyst:

• In the sulfenylation of various β-keto sulfoxides.
• To synthesize N-carbamoyl-protected β-nitroamines from α-amido sulfones by asymmetric aza-Henry reaction.

General Description

N-Benzylquininium chloride (or Quibec) belongs to the class of cinchona family of alkaloids. It is used as a catalyst in the presence of hydroxide bases in various phase transfer reactions, epoxidations, alkylations, and Michael reactions.

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