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Showing papers by "Rajendra P. Pawar published in 2007"


Journal ArticleDOI
TL;DR: In this article, an iodine/DMSO system was introduced as an excellent catalyst in three-component coupling reactions of tetrahydrobenzo[b]pyran synthesis.

72 citations


Journal ArticleDOI
TL;DR: The use of molecular iodine as a catalyst for the oxidation of ketones using hydrogen peroxide in the presence of acetic acid at room temperature was reported in this article, where it was shown that molecular iodine can be used as a catalytic catalyst for a number of applications.

17 citations


Journal ArticleDOI
TL;DR: In this article, Nitriles have been prepared from different aromatic aldehydes by a one-pot process using hydroxylamine hydrocloride and molecular iodine in the presence of dimethylsulphoxide.

10 citations


Journal ArticleDOI
19 Dec 2007-Arkivoc
TL;DR: In this article, α-β-unsaturated carbonyl compounds on heating with 1,3-cyclohexanedione in the presence of sulfated tin oxide catalyst offers corresponding 2,4-diphenyl-4,6,7,8-tetrahydro chromen-5-one in excellent yield.
Abstract: α-β-Unsaturated carbonyl compounds on heating with1,3-cyclohexanedione in the presence of sulfated tin oxide catalyst offers corresponding 2,4-diphenyl-4,6,7,8-tetrahydro chromen-5-one in excellent yield. The catalyst can be recovered by simple filtration and recycled for several times in subsequent reactions without change in its efficiency.

7 citations


Journal ArticleDOI
23 Mar 2007-Arkivoc
TL;DR: In this paper, a novel method for the synthesis of 2-substituted 2-imidazolines under microwave irradiation is reported, and the yields of product obtained using this protocol are significantly high and the reaction time is reduced.
Abstract: A novel method for the synthesis of 2-substituted 2-imidazolines under microwave irradiation is reported. The yields of product obtained using this protocol are significantly high and the reaction time is reduced.

7 citations


Journal ArticleDOI
TL;DR: In this article, Nitriles have been prepared from different aromatic aldehydes by a one-pot process using hydroxylamine hydrocloride and molecular iodine in the presence of dimethylsulphoxide.
Abstract: Nitriles have been prepared from different aromatic aldehydes by a one‐pot process using hydroxylamine hydrocloride and molecular iodine in the presence of dimethylsulphoxide.