Anionic spirocyclization of 3-nitro-4-(2-hydroxyphenoxy)-2H-1-benzopyran-2-one: Formation of stabilized Meisenheimer-type salts

DOI: 10.1016/S0040-4020(01)89009-8

Source and publish data:

Tetrahedron p. 469 - 480 (1992)

Update date:2022-08-04

Topics:

Authors:

Drozd Drozd

Knyazev Knyazev

Nam Nam

Yufit Yufit

Struchkov Yu.

Stankevich

Chistyakov

Lezina Lezina

Mozhaeva Ya.

Saveljev

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Article abstract of DOI:10.1016/S0040-4020(01)89009-8

The interaction of 3-nitro- and 3,6-dinitro-4-(2-hydroxy-4,5-R₂-phenoxy)-2H-1-benzopyran-2-ones 4a-d with triethylamine leads to the formation of triethylammonium salts of corresponding anionic spirocyclic compounds 5a-d as a result of intramol

Full text of DOI:10.1016/S0040-4020(01)89009-8

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Product name:2H-1-Benzopyran-2-one, 4-(2-hydroxyphenoxy)-3,6-dinitro-

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Xi'an Kaixiang Photoelectric Technology Co., Ltd

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