全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:... Wei-Dong Chen , Jiangmeng Ren , Bu-Bing Zeng
来源:[J].Tetrahedron(IF 2.803), 2015, Vol.71 (34), pp.5520-5524Elsevier
摘要:Abstract(#br)A new method has been developed for the copper(I)-mediated trifluoromethylthiolation of α-bromoketone using commercial anhydrous potassium fluoride, elemental sulfur, and (trifluoromethyl)-trimethylsilane in anhydrous N , N -dimethylformamide. This protocol prov...
作者:Jiangmeng Ren , Wei-Dong Chen
来源:[J].Tetrahedron Letters(IF 2.397), 2014, Vol.55 (13), pp.2056-2060Elsevier
摘要:Abstract(#br)A new approach was described for the synthesis of substituted 2-carboxyindole using 3-(2-aminophenyl)-2-bromo-acrylates through a CuI-catalyzed intramolecular coupling. The reactions were mild, rapid and with good to excellent yields.
作者:... Jue Li , Jiangmeng Ren , Bu-Bing Zeng
来源:[J].Tetrahedron Letters(IF 2.397), 2014, Vol.55 (9), pp.1581-1584Elsevier
摘要:Abstract(#br)A versatile and highly efficient approach for the synthesis of nitroarenes from aromatic amine using m -CPBA has been developed. This oxidation reaction was operationally straightforward and proceeded to afford products in good isolated yields.
作者:... Si-Kai Hua , Wei-Dong Chen , Jiangmeng Ren
来源:[J].Tetrahedron(IF 2.803), 2014, Vol.70 (43), pp.7881-7885Elsevier
摘要:Abstract(#br)An efficient method of Titanium(IV) mediated one-pot reaction approaching aromatic homoallylic alcohols from aldehydes and dual Grignard reagents was developed with good isolated yields. This method could use aromatic-, heteroaromatic-, or aliphatic-aldehydes as star...
作者:Jiangmeng Ren , Bin Dong ...
来源:[J].Tetrahedron Letters(IF 2.397), 2016, Vol.57 (24), pp.2587-2590Elsevier
摘要:Abstract(#br)Ligand-free CuI-catalyzed bis(pinacolato)diboron (B 2 (pin) 2 ) conjugate addition and reduction onto α,β-unsaturated carbonyl compounds in moderate to excellent yields has been demonstrated.
作者:... Wei Ding , Jiangmeng Ren , Bu-Bing Zeng
来源:[J].Tetrahedron Letters(IF 2.397), 2012, Vol.53 (29), pp.3798-3801Elsevier
摘要:Abstract(#br)Treatment of halogen-heteroaromatic aldehydes with catalytic amount of PdCl 2 under atmosphere pressure of hydrogen in base medium (sodium acetate) leads to the corresponding dehalogenated primary alcohols. The reaction system was especially effective for the heteroa...
作者:Jiangmeng Ren , Laura Wheeldon
来源:[J].Bioorganic & Medicinal Chemistry Letters(IF 2.338), 2008, Vol.18 (5), pp.1708-1711Elsevier
摘要:Abstract(#br)A set of closely related furylidene thiosemicarbazones was prepared and screened against various clinically important Gram-positive bacteria. One compound containing an ethylene spacer and a 5-nitrofuryl group was found to have promising activity against Clostridium ...
作者:Jiangmeng Ren , Tao Wang ...
来源:[J].Tetrahedron(IF 2.803), 2011, Vol.67 (34), pp.6202-6205Elsevier
摘要:Abstract(#br)A simple and efficient procedure was developed for the synthesis of multisubstituted 2-aminothiophene derivatives. In the presence of catalytic amount of imidazole, ketones or aldehydes, dicyanomethane and elemental sulfur were converted into the corresponding 2...
作者:... Wei‐Dong Chen , Jiangmeng Ren , Bu‐Bing Zeng
来源:[J].European Journal of Organic Chemistry(IF 3.344), 2015, Vol.2015 (16), pp.3568-3571Wiley
摘要:Abstract(#br)A new method has been developed for the copper‐mediated trifluoromethylthiolation of allylic halides by using potassium fluoride, elemental sulfur, and (trifluoromethyl)trimethylsilane in anhydrous N , N ‐dimethylformamide. This protocol provides facile access t...
作者:... Peiying Wu , Jiangmeng Ren , Bubing Zeng
来源:[J].Chinese Journal of Chemistry(IF 0.917), 2015, Vol.33 (6), pp.643-645Wiley
摘要:Abstract(#br)An unusual negative 1H NMR chemical shif of methyl group was discovered in condensation product of isocopalane diterpenoid with p ‐toluenesulfonyl hydrazide. 2D NMR, computational studies and single‐crystal X‐ray diffraction analysis showed that ...

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