ES439019A1 - Procedure for the preparation of phenyl-3, 4-dichloropirrol-2, 5-diona, 1-substitute. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of phenyl-3, 4-dichloropirrol-2, 5-diona, 1-substitute. (Machine-translation by Google Translate, not legally binding)
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Kureha Corp
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Kureha Corp
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Priority to ES439019ApriorityCriticalpatent/ES439019A1/en
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Process for the preparation of phenyl-3,4-dichloropyrrole-2,5-dione, 1-substituted, of formula ** (see formula) ** Wherein r represents a methyl radical or a chlorine atom, characterized in that an anhydride of 2,3-dichloromal acid is reacted with xylidine or monochlorotyluidine in a solvent, at an elevated temperature. (Machine-translation by Google Translate, not legally binding)
ES439019A1975-06-301975-06-30Procedure for the preparation of phenyl-3, 4-dichloropirrol-2, 5-diona, 1-substitute. (Machine-translation by Google Translate, not legally binding)
ExpiredES439019A1
(en)
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