Formal [3+3] cycloaddition reaction of 4-hydroxythiocoumarin to 4Н-chromene-3-carbaldehydes: synthesis of thiochromeno[3',4':5,6]pyrano[2,3-b]chromen-6-ones

Formal [3+3] cycloaddition reaction of 4-hydroxythiocoumarin to 4Н-chromene-3-carbaldehydes: synthesis of thiochromeno[3',4':5,6]pyrano[2,3-b]chromen-6-ones

A cascade reaction of 4-hydroxythiocoumarin and 4Н-chromene-3-carbaldehydes was developed, consisting of Knoevenagel condensation and oxa-6π electrocyclization in the presence of ammonium acetate as catalyst. A series of polycyclic acetals containing a fused thiocoumarin moiety were obtained

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Bibliografiska uppgifter
Huvudupphovsmän:	Demidov, O. P., Демидов, О. П.
Materialtyp:	Статья
Språk:	English
Publicerad:	Springer 2020
Ämnen:	1H-benzo[f]chromene-2-carbaldehydes 4-hydroxythiocoumarin 4Н-chromene-3-carbaldehydes Electrocyclization Formal [3+3] cycloaddition Knoevenagel condensation
Länkar:	https://dspace.ncfu.ru/handle/20.500.12258/14619
Taggar:	Lägg till en tagg Inga taggar, Lägg till första taggen!

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