Selenium-containing heterocycles from isoselenocyanates: Synthesis of ethyl 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates

Sommen GL; Linden A; Heimgartner H

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Selenium-containing heterocycles from isoselenocyanates: Synthesis of ethyl 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates

机译：异异壬酸酯中的含硒杂环化合物：4-氧代-2-氨基-4,5-二氢硒基-3-羧酸乙酯的合成

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摘要

Aryl and alkyl isoselenocyanates 2 react with ethyl gamma-chloroacetoacetate (1) in the presence of triethylamine to give the corresponding 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates 4a-f in moderate to good yields.

机译：在三乙胺的存在下，芳基和烷基异selelecyancyanate 2与γ-氯乙酰乙酸乙酯（1）反应，以中等至良好的产率得到相应的4-氧代-2-氨基-4,5-二氢硒基-3-羧酸酯4a-f。

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《Letters in organic chemistry》 |2007年第1期|共6页
作者
Sommen GL; Linden A; Heimgartner H;
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正文语种 eng
中图分类有机化学;
关键词
selenium heterocycles; isoselenocyanates; selenophenes; cyclization; beta-ketoester; crystal structure; DERIVATIVES; ISOTHIOCYANATES; DISELENIDES;

机译：硒杂环;异硒氰酸酯;硒烯;环化;β-酮酸酯;晶体结构;衍生物;异硫氰酸盐;二硒化物;

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1. Selenium-Containing Heterocycles From Isoselenocyanates: Synthesis of Ethyl 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates [J] . Geoffroy L. Sommen Anthony Linden Heinz Heimgartner Letters in Organic Chemistry . 2007,第1期

机译：异硒氰酸酯中的含硒杂环化合物：4-氧代-2-氨基-4,5-二氢硒基-3-羧酸乙酯的合成
2. Selenium-COntaining Heterocycles from Isoselenocyanates:Synthesis of 1,3-Senazoles for N-Phenylimidoyl Isoselenocyanates [J] . Zhou Yuehui, Linden Anthony, Heimgartner Heinz Helvetica chimica acta . 2000,第7期

机译：异硒氰酸酯中的含硒杂环化合物：N-苯基亚氨基磺酰基异氰酸酯酯的1,3-苯并恶唑的合成
3. Selenium-Containing Heterocycles from Isoselenocyanates: Base-Catalyzed Reaction of Malononitrile with Phenyl Isoselenocyanate and Bromoacetonitrile or alpha-Halogenated Ketones [J] . Geoffroy L. Sommen, Anthony Linden, Heinz Heimgartner Helvetica chimica acta . 2007,第10期

机译：异异氰酸酯中的含硒杂环：丙二腈与苯基异异氰酸酯和溴乙腈或α-卤代酮的碱催化反应
4. A study on zeolite synthesis from diquaternary ammonium compounds;the effect of changing end-group heterocycles in the HF/SiO2 synthesis of molecular sieves [C] . A.Jackowski, S.I.Zones, A.W.Burton International Federation of European Zeolite Associations Conference . 2008

机译：二氨基化铵化合物沸石合成的研究;改变末端杂环在HF / SiO2合成分子筛中的影响
5. New developments toward the synthesis of heterocycles and applications in green chemistry. I. A simple and essentially one-pot synthesis of N-aminated heterocycles using phase transfer catalyst (Aliquat-336). II. Synthesis of pharmaceutically important pyrrole derivatives. III. Applications in green chemistry: Surfactant-mediated environmentally friendly cleavage of aromatic esters and trans-esterification under solvent-free neutral conditions . [D] . Patel, Nitinchandra. 2005

机译：杂环合成的新进展及其在绿色化学中的应用。 I.使用相转移催化剂（Aliquat-336）简单且基本上一锅合成N-胺化的杂环。二。药学上重要的吡咯衍生物的合成。三，在绿色化学中的应用：在无溶剂的中性条件下，表面活性剂介导的环境友好的芳族酯裂解和酯交换反应。
6. Isoselenocyanates: A Powerful Tool for the Synthesis of Selenium-Containing Heterocycles [O] . Dinesh Ramesh Garud, Mamoru Koketsu, Hideharu Ishihara 2007

机译：异氰酸酯：合成含硒杂环的有力工具
7. Selenium-Containing Heterocycles From Isoselenocyanates: Synthesis of Ethyl 4-Oxo-2-amino-4,5-dihydroselenophene-3-carboxylates [O] . Sommen, G L, Linden, A, Heimgartner, H 2007

机译：异硒氰酸酯中的含硒杂环化合物：4-氧代-2-氨基-4,5-二氢硒基-3-羧酸乙酯的合成
8. Support: Ltr fr [] to USEPA re Oral Ld50 Study in Rats W/a Mixt Containing A Subst'd Heterocycle [], Cymoxanil, and Ethyl Hydrogen Phosphonate Alum Salt, dated 10/7/97 (sanitized). [R] . 1997

机译：支持：Ltr fr []至UsEpa口服Ld50研究大鼠W / a含有一种基质杂环[]，Cymoxanil和Ethyl Hydrogen phosphonate alum salt的混合物，日期为10/7/97（消毒）。

Selenium-containing heterocycles from isoselenocyanates: Synthesis of ethyl 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates

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