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Title: Synthesis of 1-alkyl/aralkyl-2- (1-arylsulfonylalkyl) benzimidazoles under PTC conditions
Authors: Dubey, P K
Reddy, P V V Prasada
Srinivas, K
Keywords: 1-Substituted-2-(⍺–chloroalkyl)benzimidazole;Ar-SO₂- Na⁺;TEBAC;Sulphones
Issue Date: Mar-2007
Publisher: CSIR
IPC Code: Int.Cl⁸ C07D
Abstract: 2-(⍺-chloroalkyl)benzimidazoles 1 on reaction with arylsulphinate sodium salt 2, in CH₃CN under PTC conditions, gives 3 which on alkylation yields 1-alky/aralkyl-2-(⍺-aryl sulfonylalkyl) benzimidazoles 4. Alternatively, 4 can also be prepared by the reaction of 2 with 1-alkyl/aralkyl-2- (⍺–chloroalkyl) benzimidazole 5 in CH₃CN using triethylbenzylammonium chloride (TEBAC) as PTC. 5 are obtained from 1 in turn, by alkylation in CH₃CN under PTC conditions.
Page(s): 488-491
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.46B(03) [March 2007]

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