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Sigma-Aldrich

N-Benzylcinchonidinium bromide

97%

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About This Item

Empirical Formula (Hill Notation):
C26H29BrN2O
CAS Number:
118089-84-2
Molecular Weight:
465.43
MDL number:
MFCD02093777
UNSPSC Code:
12352101
NACRES:
NA.22

Assay

97%

optical activity

[α]20/D −138°, c = 1 in chloroform

mp

190 °C (dec.) (lit.)

Related Categories

General description

N-Benzylcinchonidinium bromide is a chiral phase-transfer catalyst (PTC).

Application

N-Benzylcinchonidinium bromide (BCDBr) can be used:
  • To prepare various 4-(bromomethyl)benzenesulfonamides, which are employed as catalysts for asymmetric benzylation reactions.
  • As a phase transfer catalyst in the synthesis of organogelators via Michael addition reaction.
  • To catalyze the enantioselective alkylation of tert-butyl glycinate-benzophenone Schiff base furnishing the corresponding chiral α-amino acid.
  • To resolve symmetric biaryldiols via formation of inclusion complex with diols.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis of cinchonidinium salts containing sulfonamide functionalities and their catalytic activity in asymmetric alkylation reactions
Itsuno S, et al.
Tetrahedron Letters, 55(44), 6117-6120 (2014)
Separation of the Enantiomers of 2, 2?-Dihydroxy-1, 1?-binaphthyl and 10, 10?-Dihydroxy-9, 9?-biphenanthryl by Complexation with N-Alkylcinchonidinium Halides
Tanaka K, et al.
Angewandte Chemie (International ed. in English), 32(8), 1147-1148 (1993)
Synthesis of green organogelators with a sulfide linkage via solvent-free Michael addition: soft templates for the preparation of size-controlled gold nanoparticles
Delbecq F, et al.
Tetrahedron Letters, 54(7), 651-656 (2013)
Enantioselective reactions of tert-butyl glycinate-benzophenone Schiff base catalyzed by chiral phase-transfer catalyst in aqueous media without any organic solvent.
Mase N, et al.
Tetrahedron Letters, 46(18), 3213-3216 (2005)

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Maruoka catalysts enable enantioselective preparation of α-amino acids from glycine derivatives via asymmetric phase transfer catalysis.

Maruoka Catalysts

Maruoka catalysts enable enantioselective preparation of α-amino acids from glycine derivatives via asymmetric phase transfer catalysis.

Maruoka Catalysts

Maruoka catalysts enable enantioselective preparation of α-amino acids from glycine derivatives via asymmetric phase transfer catalysis.

Maruoka Catalysts

Maruoka catalysts enable enantioselective preparation of α-amino acids from glycine derivatives via asymmetric phase transfer catalysis.

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