135244-62-1Relevant articles and documents
Process for the optical resolution of pyranobenzoxadiazole compounds
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, (2008/06/13)
A process for the optical resolution of a pyranobenzoxadiazole compound represented by the formula [(±)I]: STR1 which comprises reacting the compound [(±)I] with an optically active carboxylic acid represented by the formula [II]: STR2 and separating the diastereomeric salt thus formed is disclosed.
Pyranobenzoxadiazole derivatives
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, (2008/06/13)
A compounds of the formula (I): STR1 wherein A represents OH or OC(O)CH 3-n X n, B represents hydrogen atom, or A and B together represent a bond; R 1 represents hydrogen atom, R 2 represents hydrogen atom, C(Z)CH 3-n X n or C(Z)NHCH 3-n X n or R 1 and R 2 together represents (CH 2) m, (CH 2) m-1 C(Z), N(R 3)(CH 2) 2 C(Z), (CH 2) m-2 NHC(Z) or (CH 2) m-2 OC(Z) in which X represents fluorine atom, chlorine atom, bromine atom, a methyl group or a methoxy group and n represents 0 or an integer of 1 to 3, Z represents oxygem atom or sulfur atom, m represents an integer of 4 or 5 and R 3 represents hydrogen atom or a methyl group, and pharmacological acceptable salts of the compounds which can form salts, processes therefor and pharmaceutical use of the compounds.
