co9b00161_si_001.pdf (13.28 MB)
One-Pot Synthesis of Unsymmetrical Bis-Heterocycles: Benzimidazole‑, Benzoxazole‑, and Benzothiazole-Linked Thiazolidines
journal contribution
posted on 2019-12-09, 18:34 authored by Hsueh-Yuan Lu, Indrajeet J. Barve, Manikandan Selvaraju, Chung-Ming SunA one-pot, three-component synthesis of benzimidazole-linked
thiazolidines
from 2-cyanomethyl benzimidazole, iso-, isothio-, or isoselenocyanates
and 1,2-dichloroethane is reported. Isolation of the key intermediate
formed during the course of the reaction validates its mechanistic
pathway. Under the same reaction conditions, benzimidazole-linked/fused
thiazinanes were obtained when 1,3-dichloropropane or diiodomethane
was used.
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reaction conditionsisoselenocyanatethree-component synthesisdichloroethanedichloropropaneBenzothiazole-Linked Thiazolidinespathwayreaction validatesisothioIsolation2- cyanomethyl benzimidazolebenzimidazole-linked thiazolidinesdiiodomethanethiazinaneisoOne-Pot SynthesisUnsymmetrical Bis-Heterocyclesone-potBenzoxazoleBenzimidazole
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