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2005年03月25日

【期刊论文】Reduction of Nitroarenes to Aromatic Amines with Nanosized Activated Metallic Iron Powder in Water

王磊, Lei Warng, *a, b Pinhua Li, a Zongtao Wu, a Jincan Yan, a Min Wang, a Yanbin Ding a

Synthesis 2003, No.13, 2001-2004,-0001,():

-1年11月30日

摘要

A practical reduction of nitroarenes with nanosized activated metallic iron powder in water at 210℃ (near-critical water) has been developed. The reduction generates the corresponding aromatic amines in excellent yields.

nanosize,, iron,, nitroarenes,, aromatic amines,, reduction

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2005年03月25日

【期刊论文】A novel preparation of methyl ketones through one-carbon homologation of aldehydes

王磊, Lei Wang, a, b, * Pinhua Li, a Jincan Yana and Zhongzhi Wuc

Tetrahedron Letters Pergamon 44(2003)4685-4688,-0001,():

-1年11月30日

摘要

A novel two-step aldehyde homologation procedure for the preparation of methyl ketones has been developed, which involves the use of 1,1-dibromo-1-alkenes as precursors and zinc metal as mediator in near-critical water.

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2005年03月25日

【期刊论文】Rapid microwave-enhanced, solventless Sonogashira coupling reaction on alumina

王磊, George W. Kabalka, * Lei Wang, Vasudevan Namboodiri and Richard M. Pagni

Tetrahedron Letters 41(2000)5151-5154,-0001,():

-1年11月30日

摘要

A microwave-enhanced, solventless Sonogashira coupling reaction has been developed. Terminal alkynes couple with aryl or alkenyl iodide on palladium-doped alumina in the presence of triphenylphosphine and cuprous iodide to provide high yields of products.

coupling reactions, palladium, microwave heating, alkynes

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2005年03月25日

【期刊论文】Unexpected Chemoselective Debromination and Reduction of 1,1-Dibromo-1-alkenes Mediated by Samarium Metal in Methanol

王磊, Lei Wang, *a, b Pinhua Li, a Yuanyuan Xie, a Yanbin Ding a

Synlett 2003, No.8, 1137-1140,-0001,():

-1年11月30日

摘要

An unexpected samarium metal mediated chemoselective debromination and reduction of 1,1-dibromo-1-alkenes in methanol has been developed, which generates vinyl monobromides, alkenes, and alkanes respectively with appropriate molar ratio of samarium to 1,1-dibromo-1-alkene.

samarium metal,, 1,, 1-dibromo-1-alkenes,, debromination,, reduction,, methanol

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2005年03月25日

【期刊论文】A novel reduction of sodium alkyl thiosulfates using samarium metal without an activating agent in water

王磊, Lei Wang, b, * Pinhua Li a and Li Zhou a

Tetrahedron Letters Pergamon 43(2002)8141-8143,-0001,():

-1年11月30日

摘要

A novel metallic samarium promoted reduction of sodium alkyl thiosulfates in the absence of an activating agent occurs to afford the corresponding disulfides with good yields in water at 90℃.

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    淮北煤炭师范学院,安徽

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