PHOTOCHROME OXAZINE COMPOUNDS AND METHOD FOR THEIR PRODUCING Russian patent published in 2008 - IPC C07D265/34 C09K9/02

Abstract RU 2315042 C2

FIELD: organic chemistry, chemical technology.

SUBSTANCE: invention relates to novel oxazine compounds of the formula (I): wherein X means carbon atom; R₁ and R₂ mean hydrogen atom; n = 0; A and A' mean independently of one another: (a) linear or branched (C₁-C₁₂)-alkyl, (C₃-C₁₂)-cycloalkyl; (b) unsubstituted or monosubstituted aryl groups. Also, invention relates to a method for synthesis of photochrome oxazine compounds of the formula (I). Invention provides synthesis of novel compounds and a method for their synthesis used as photochrome compounds.

EFFECT: improved method of synthesis.

10 cl, 1 tbl, 9 ex

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RU 2 315 042 C2

Authors

Chzhao Vehjli

Karrejra Ehrik M.

Dates

2008-01-20—Published

2002-12-04—Filed