three-component process for the synthesis of some substituted pyrroles using water as a green solvent

Three-component Process for the Synthesis of Some Substituted Pyrroles using Water as a Green Solvent

A novel, convenient and efficient three-component reaction for synthesizing substituted pyrroles from primary amines and electron deficient acetylenic compounds in the presence of ammonium thiocyanate in water leads to the formation of pyrroles in good yields.

Multi-component Process for the Synthesis of Some Phosphonate Derivatives using Water as a Green Solvent

A novel, convenient and efficient multi-component reaction for synthesis of phosphonate derivatives from activated acetylenic compounds with 2-hydroxyacetophenone in the presence of phosphites in water lead to the formation of phosphonates in good yields.

Three-component Process for the Synthesis of Some Thiophene Derivatives Using Water as a Green Media

A convenient and efficient three-component reaction to a one-pot synthesis of thiophene derivatives from activated acetylenic compounds and ethyl 2chloroacetoacetate in the presence of tetramethyl thiourea in water lead to the formation of thiophenes in good yields.

Application of Green Procedure for the Synthesis of Substituted Pyrroles: Multi-component Reaction of Oxalyl Chloride

A novel, convenient and efficient approach to synthesis of pyrrole derivatives via the reaction of primary amines, alkyl propiolates and oxalyl chloride is described. The method offers several advantages including high yields of products and performing reaction in water as the solvent. 

application of green procedure for the synthesis of substituted pyrroles: multi-component reaction of oxalyl chloride

TiCl2/nano-γ-Al2O3 as an efficient catalyst for synthesis of substituted pyrroles under solvent-free conditions at room temperature

TiCl2/nano-γ-Al2O3 as a new heterogeneous Lewis acid catalyst was synthesized and characterized by FE-SEM, XRD, FT-IR, EDS, XRF, BET and TGA. N-substituted pyrroles have been synthesized via Paal–Knorr reaction in the presence of TiCl2/nano-γ-Al2O3 at room temperature under solvent-free conditions.