- Syntheses of D-labelled oxidative metabolites of acrylamide and acrylonitrile for the quantification of their toxicities in humans.
[作者:Belov, Vladimir N.;Korneev, Sergei M.;Angerer, Juergen;de Meijere, Armin;,期刊:European Journal of Organic Chemistry, 页码:4417-4425 , 文章类型: 研究论文,,卷期:2008年-26]
- Syntheses of the labeled oxidative metabolites of acrylamide and acrylonitrile, ref. compds. for the evaluation of human exposure to important toxicants, are reported. For that, L-cystine tert-Bu ester was acetylated an...
- Copper zeolites as green catalysts for multicomponent reactions of aldehydes, terminal alkynes and amines: an efficient and green synthesis of propargylamines.
[作者:Patil, Meghshyam K.;Keller, Murielle;Reddy, Benjaram M.;Pale, Patrick;Sommer, Jean;,期刊:European Journal of Organic Chemistry, 页码:4440-4445 , 文章类型: 研究论文,,卷期:2008年-26]
- CuI-modified zeolites, esp. CuI-USY, have proved to be very efficient catalysts in multicomponent reactions, allowing for a solvent-free synthesis of propargylamines from aldehydes, amines, and terminal alkynes. With a ...
- Palladium-catalysed isomerisation of 2-vinylidenehydrofurans to 1,3-dienes and some aspects of their reactivity.
[作者:Ghobsi, Abdelkader;Hacini, Salih;Wavrin, Laurence;Gaudel-Siri, Anouk;Corberes, Agnes;Nicolas, Cyril;Bonne, Damien;Viala, Jacque;Rodriguez, Jean;,期刊:European Journal of Organic Chemistry, 页码:4446-4453 , 文章类型: 研究论文,,卷期:2008年-26]
- The transformation of easily accessible 2-vinylidenehydrofurans, e.g. I, into stable 1,3-dienes, e.g. II, has been achieved by using catalytic amts. of palladium(0). These valuable compds. were then engaged in subsequen...
- Indium-promoted acyloxyallylation reaction of azetidine-2,3-diones in aqueous media: a new route to densely functionalized 3-substituted 3-hydroxy-b-lactams.
[作者:Alcaide, Benito;Almendros, Pedro;Aragoncillo, Cristina;Cabrero, Gema;Callejo, Ricardo;Ruiz, M. Pilar;,期刊:European Journal of Organic Chemistry, 页码:4434-4439 , 文章类型: 研究论文,,卷期:2008年-26]
- Densely functionalized 3-substituted 3-hydroxy-b-lactams I (R = 4-MeOC6H4, PhCH2, 2-propynyl) have been obtained by acyloxyallylation reaction of azetidine-2,3-diones with 3-bromopropenyl acetate or benzoate in aq. media...
- Vanadium(V) Salen complex catalyzed highly enantioselective cyanoformylation of aldehydes in the presence of imidazole as a cocatalyst.
[作者:Khan, Noor-ul H.;Agrawal, Santosh;Kureshy, Rukhsana I.;Abdi, Sayed H. R.;Prathap, K. Jeya;Jasra, Raksh V.;,期刊:European Journal of Organic Chemistry, 页码:4511-4515 , 文章类型: 研究论文,,卷期:2008年-26]
- 23 Highly enantioselective cyanoformylation of aldehydes catalyzed by VV chiral salen complex by using Et cyanoformate as a source of cyanide was accomplished in the presence of several cocatalysts. Excellent yields and...
- Allenylphosphonates - useful precursors of pyrazoles and 1,2,3-triazoles.
[作者:Chakravarty, Manab;Kumar, N. N. Bhuvan;Sajna, K. V.;Swamy, K. C. Kumara;,期刊:European Journal of Organic Chemistry, 页码:4500-4510 , 文章类型: 研究论文,,卷期:2008年-26]
- The synthesis of new pyrazoles and triazoles, with or without phosphorus substituents, from allenylphosphonates is described. Thus, Ph3P-promoted reactions of the allenylphosphonates (OCH2CMe2CH2O)P(O)CH:C:CRR' [R = H, ...
- Catalytic asymmetric alkylation of aldehydes by using trialkylboranes.
[作者:Ukon, Takahiro;Harada, Toshiro;,期刊:European Journal of Organic Chemistry, 页码:4405-4407 , 文章类型: 研究论文,,卷期:2008年-26]
- Nonracemic secondary aralkyl alcs. (R)-RCH(OH)R1 (R = Ph, 4-MeC6H4, 4-PhC6H4, 4-ClC6H4, 4-FC6H4, 4-F3CC6H4, 3-MeOC6H4, 2-ClC6H4, 1-naphthyl, 2-naphthyl, 2-furanyl, PhCH:CH, PhCH2CH2; R1 = Et, Bu) are prepd. in 28-94% yie...
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