Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Teijin Ltd
Original Assignee
Teijin Ltd
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Filing date
Publication date
Application filed by Teijin LtdfiledCriticalTeijin Ltd
Priority to JP9540575ApriorityCriticalpatent/JPS5219656A/en
Publication of JPS5219656ApublicationCriticalpatent/JPS5219656A/en
PURPOSE: Benzophenone derivatives of formula I (R1 is H, halogen, NO2, CF3; R2, R3 are H, halogen; R4, R5 are lower alkyls) ; for example, 2-[1-(2,5dimethylpyrrolyl)] benzophenone.
COPYRIGHT: (C)1977,JPO&Japio
JP9540575A1975-08-071975-08-07Preparation of novel benzophenone derivatives
PendingJPS5219656A
(en)