METHOD FOR CHROMAN-2-AMINES DERIVATIVES PRODUCTION Russian patent published in 2018 - IPC C07D405/04 C07D413/04 

Abstract RU 2652119 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a novel process for the of 3-amino-substituted 2,3-dihydro-1H-benzo[f]chromenes and 2-amino substituted chromans preparation by of trifluoroacetylchromenes and secondary cyclic amines condensation in a 1:2 molar ratio in methanol solution at room temperature. These compounds are promising for medical chemistry.

EFFECT: this method makes it possible to obtain chroman-2-amines that do not contain substituents at the dihydropyran ring 3 and 4 position, and simplify the process by not having to use an inert atmosphere, expensive and anhydrous solvents.

1 cl, 15 ex

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RU 2 652 119 C1

Authors

Osyanin Vitalij Aleksandrovich

Melnikova Irina Valerevna

Osipov Dmitrij Vladimirovich

Klimochkin Yurij Nikolaevich

Dates

2018-04-25Published

2016-12-14Filed