C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/298.2
C07D 498/04 (2006.01)
Patent
CA 2021337
ABSTRACT OF THE DISCLOSURE A process for the optical resolution of a pyranobenzoxadiazole compound represented by the formula [(+)I]: Image ( (?) I) which comprises reacting the compound [(?)I] with an optically active carboxylic acid represented by the formula [II]: Image (II) and separating the diastereomeric salt thus formed is disclosed.
Matsumoto Hiroo
Sakoda Ryozo
Seto Kiyotomo
Nissan Chemical Industries Ltd.
Rogers & Scott
LandOfFree
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