首页> 外文期刊>Chemistry of heterocyclic compounds >Interaction of 5-(Morpholin-4-Yl)-2-(4-Phthal-Imidobutyl)- and 5-(Morpholin-4-Yl)-2-(5-Phthal-Imidopentyl)-1,3-Oxazole-4-Carbonitriles with Hydrazine Hydrate
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Interaction of 5-(Morpholin-4-Yl)-2-(4-Phthal-Imidobutyl)- and 5-(Morpholin-4-Yl)-2-(5-Phthal-Imidopentyl)-1,3-Oxazole-4-Carbonitriles with Hydrazine Hydrate

机译:5-(Morpholin-4-Yl)-2-(4-Phthal-Imidobutyl)-和5-(Morpholin-4-Yl)-2-(5-Phthal-Imidopentyl)-1,3-Oxazole-4的相互作用-水合肼与碳腈

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摘要

5-Morpholino-1,3-oxazole-4-carbonitriles bearing 4-phthalimidobutyl or 5-phthalimidopentyl substi-tuent at position 2 of the oxazole ring were synthesized. Upon reaction with hydrazine hydrate, 5-(morpholin-4-yl)-2-(4-phthalimidobutyl)-1,3-oxazole-4-carbonitrile formed the recyclization product (3-amino-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)(morpholin-4-yl)methanone, whereas for 5-(morpholin-4-yl)-2-(5-phthalimidopentyl)-1,3-oxazole-4-carbonitrile, the reaction stops at the stage of 2-(5-aminopentyl)-5-(morpholin-4-yl)-1,3-oxazole-4-carbonitrile after removal of the phthalimido protecting group.
机译:合成了在恶唑环的2位带有4-邻苯二甲酰亚胺基丁基或5-邻苯二甲酰亚胺基戊基的5-Morpholino-1,3-恶唑-4-腈。与水合肼反应后,5-(吗啉-4-基)-2-(4-邻苯二甲酰亚胺基丁基)-1,3-恶唑-4-腈形成再循环产物(3-氨基-5,6,7,8-四氢咪唑并[1,2-a]吡啶-2-基)(吗啉-4-基)甲酮,而对于5-(吗啉-4-基)-2-(5-邻苯二甲酰基戊基)-1,3-恶唑-4 -甲腈,除去邻苯二甲酰亚胺基保护基后,反应在2-(5-氨基戊基)-5-(吗啉-4-基)-1,3-恶唑-4-腈的阶段停止。

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