Yonemitsu-type condensations catalysed by proline and Eu(OTf)3

Andrea Renzetti; Emanuela Boffa; Marco Colazzo; Stéphane Gérard; Janos Sapi; Tak-Hang Chan; Hiroshi Nakazawa; Claudio Villani; Antonella Fontana

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Yonemitsu-type condensations catalysed by proline and Eu(OTf)3

机译：由脯氨酸和欧盟（OTF）3催化的Yonemitsu型缩合

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We report a Yonemitsu-type trimolecular condensation of aromatic heterocycles, aldehydes, and active methylene compounds to afford polyfunctionalised heterocycles. The reaction is catalysed by L -proline and Eu(OTf) _(3) , takes place in methanol at room temperature, and in some cases is highly diastereoselective (d.e. >90%). The reaction offers two advantages with respect to the previously reported Ti( IV )-promoted condensation: (1) it adheres to some principles of green chemistry, and (2) it provides access to compounds that cannot be obtained by classical methodology.

机译：我们报告了芳香杂环，醛和活性亚甲基化合物的yonemitsu型微分子缩合，得到多官能化杂环。通过L-脯氨酸和Eu（OTF）_（3）催化反应，在室温下在甲醇中进行，在某些情况下是高度映选择性的（D.E.> 90％）。该反应对先前报道的Ti（IV） - 突出的缩合提供了两个优点：（1）它粘附于绿色化学的一些原则，（2）它提供了通过经典方法无法获得的化合物的访问。

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《RSC Advances》 |2014年第89期|共8页
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Andrea Renzetti; Emanuela Boffa; Marco Colazzo; Stéphane Gérard; Janos Sapi; Tak-Hang Chan; Hiroshi Nakazawa; Claudio Villani; Antonella Fontana;
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1. Yonemitsu-type condensations catalysed by proline and Eu(OTf)(3) [J] . Renzetti Andrea, Boffa Emanuela, Colazzo Marco, RSC Advances . 2014,第89期

机译：脯氨酸和Eu（OTf）（3）催化的米光缩合反应
2. Synthesis of beta-methyl-beta-alanine-L-proline-XAA tripeptides by Yb(OTf)_3 catalysed Michael addition of amines to N-crotonyl-L-proline-XAA: a versatile rout to cyclic beta-methyl-beta-alanine-derived tripeptides via ring closing metathesis [J] . Biswajit Saha, Biswadip Banerji, Javed Iqbal, Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2002,第36期

机译：Yb（OTf）_3催化的β-甲基-β-丙氨酸-L-脯氨酸-XAA三肽的合成催化胺向N-巴豆酰-L-脯氨酸-XAA的迈克尔加成反应：环状β-甲基-β-丙氨酸的通用路线闭环复分解衍生的三肽
3. Cu(OTf)_2-catalysed synthesis of structurally novel bicyclic 1,3-oxazinesvia condensation-dehydrazinative ring transformation cascades [J] . Lal Dhar Singh Yadav, Ankita Rai, Vijai Kumar Rai, Journal of chemical research: reviews and research papers from all branches of chemistry . 2009,第8期

机译：Cu（OTf）_2催化的缩合-脱肼环转化级联反应合成结构新型双环1,3-恶嗪
4. Nonlinear effects in proline-catalysed aldol reactions under solvent-free conditions based on the ternary phase behaviour of scalemic proline [C] . Angelika Bruckmann, Belen Rodriguez, Carsten Bolm European Symposium on Organic Chemistry . 2009

机译：基于崩解脯氨酸的三元相行为，在无溶酶条件下脯氨酸催化的醛醇反应的非线性效应
5. La synthese des amines par catalyse en phase aqueuse (French text). [D] . Robichaud, Andre. 2004

机译：通过在水相中催化合成胺（法文）。
6. The Rad9 Gene of Coprinus Cinereus Encodes a Proline-Rich Protein Required for Meiotic Chromosome Condensation and Synapsis [O] . L. C. Seitz, K. Tang, W. J. Cummings, 1996

机译：鸡腿菇的Rad9基因编码减数分裂染色体凝聚和突触所需的富含脯氨酸的蛋白质。
7. Yonemitsu-type condensations catalysed by proline and Eu(OTf)3 [O] . A. Renzetti, E. Boffa, M. Colazzo, 2014

机译：脯氨酸和Eu（OTf）3催化的米光缩合反应

Yonemitsu-type condensations catalysed by proline and Eu(OTf)3

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