Investigation of naphthyridines. 16. Synthesis of derivatives of 2,5-dioxo-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-3-carboxylic acids from anilides (hydrazides) of 6-oxo-2-styrylnicotinic acids

A. B. Deyanov; M. E. Konshin; Z. N. Semenova

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Investigation of naphthyridines. 16. Synthesis of derivatives of 2,5-dioxo-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-3-carboxylic acids from anilides (hydrazides) of 6-oxo-2-styrylnicotinic acids

机译：萘啶的研究。 16.由6-氧代-2-苯乙烯基烟酰胺酸的酸酐（酰肼）合成2,5-二氧代-1,2,5,6,7,8-六氢-1,6-萘啶-3-羧酸的衍生物

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Heating anilides (hydrazides) of 5-cyano-6-oxo-2-styrylnicotinic acids in polyphosphoric acid (PPA) leads to amides of 7-aryl-2,5-dioxo-6-phenyl(amino)-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-3-carboxylic acids, which on heating with perchloric acid in acetic acid give the corresponding acids.

机译：加热多磷酸（PPA）中的5-氰基-6-氧代-2-苯乙烯基烟酰胺酸的酰苯胺（酰肼）可生成7-芳基-2,5-二氧杂-6-苯基（氨基）-1,2,5的酰胺，6,7,8-六氢-1,6-萘啶-3-羧酸，将其与高氯酸在乙酸中加热，得到相应的酸。

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《Chemistry of heterocyclic compounds》 |2004年第12期|共4页
作者
A. B. Deyanov; M. E. Konshin; Z. N. Semenova;
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正文语种 eng
中图分类杂环化合物;
关键词
anilides; hydrazides; 2; 5-dioxo-1; 2; 5; 6; 7; 8-hexahydro-1; 6-naphthyridines; 6-oxo-2-styrylnicotinic acids; cyclization;

机译：苯甲酰胺;酰肼;2;5-二氧杂-1;2;5;6;7;8-六氢-1;6-萘啶;6-氧-2-苯乙烯基烟酸;环化;

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1. Investigation of naphthyridines. 16. Synthesis of derivatives of 2,5-dioxo-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-3-carboxylic acids from anilides (hydrazides) of 6-oxo-2-styrylnicotinic acids [J] . A. B. Deyanov, M. E. Konshin, Z. N. Semenova Chemistry of heterocyclic compounds . 2004,第12期

机译：萘啶的研究。 16.由6-氧代-2-苯乙烯基烟酰胺酸的酸酐（酰肼）合成2,5-二氧代-1,2,5,6,7,8-六氢-1,6-萘啶-3-羧酸的衍生物
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4. The synthesis of poly(goycolic acid - alt - L -aspartic acid) from morpholine-2,5-dione derivative [C] . Dong Wang, Xin-De Feng International conference on biorelated polymers controlled release drugs and reactive polymers . 1997

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7. Crystal structures of 1-(4-chlorophenyl)-4-(4-methylphenyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid and 4-(4-methoxyphenyl)-1-(4-methylphenyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carbonitrile [O] . Omyma A. Abd Allah, Manpreet Kaur, Mehmet Akkurt, 2021

机译：1-（4-氯苯基）-4-（4-甲基苯基）-2,5-二氧基-1,2,5,6,7,8-六羟基喹啉-3-羧酸和4-（4-甲氧基苯基的晶体结构）-1-（4-甲基苯基）-2,5-二氧基-1,2,5,6,7,8-六羟基喹啉-3-腈

Investigation of naphthyridines. 16. Synthesis of derivatives of 2,5-dioxo-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-3-carboxylic acids from anilides (hydrazides) of 6-oxo-2-styrylnicotinic acids

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