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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Meiji Seika Kaisha Ltd
Original Assignee
Meiji Seika Kaisha Ltd
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Filing date
Publication date
Application filed by Meiji Seika Kaisha LtdfiledCriticalMeiji Seika Kaisha Ltd
Priority to JP8998878ApriorityCriticalpatent/JPS5517340A/en
Publication of JPS5517340ApublicationCriticalpatent/JPS5517340A/en
Agricultural Chemicals And Associated Chemicals
(AREA)
Abstract
NEW MATERIAL:A phenazine derivative of formula I (R is propyl, allyl, isobutyl).
EXAMPLE: 2-tropyloxy-7-chlorophenazine.
USE: Herbicide especially effective to cockspur-grass, umbrella sedge, monochoria, etc., in paddy rice field.
PROCESS: The compound I is prepared by (1) reacting p-chloro-nitrobenzene II with an aniline derivative III at 100W160°C, pref. 120W140°C, and (2) reducing the resulting compound IV with a small amount of zinc powder and glacial acetic acid in dichloromethane, at room temperature.
COPYRIGHT: (C)1980,JPO&Japio
JP8998878A1978-07-251978-07-25Novel herbicidal compound and its preparation
PendingJPS5517340A
(en)