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2. 发明授权

US3839352A Preparation of coumarin-v-triazole oxides and process for producing coumarin-v-triazoles therefrom 失效
标题翻译：氧化IN IN LE LE LE ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM ROM
公开(公告)号：US3839352A
公开(公告)日：1974-10-01
申请号：US11662071
申请日：1971-02-18
申请人： CIBA GEIGY AG
发明人： RODY J , KIRCHMAYR R , HELLER H
IPC分类号： D01F1/10 , C07D99/04
CPC分类号： D01F1/10
摘要： 1. A PROCESS FOR THE PRODUCTION OF COUMARINYL-V-TRIAZOLES, COMPRISING (A) ADDING TO 3-PHENYL-7-HYDRAZINO-COUMARIN OF THE FORMULA

2-(O=),3-Y,4-R4,5-R3,6-R2,7-(H2N-NH-)-2H-CHROMENE

OR AN ADDITION SALT THEREOF WITH AN ACID, AN OXIME OF ONE OF THE FORMULAS

V-C(=N-OH)-CO-W AND V-CO-C(=N-OH)-W

THEREBY REACTING THE TWO STARTING COMPOUNDS WITH FORMATION OF THE CORRESPONDING HYDRAZONE OXIME, (B) ADDING THERETO AN OXIDISING AGENT UNDER OXIDISING CONDITIONS IN A SOLVENT STABLE TO OXIDATION, (C) ADDING TO THE RESULTING V-TRIAZOLE OXIDE OF THE CORRESPONDING ONE OF THE FORMULAE

2-(O=),3-Y,4-R4,5-R3,6-R2,7-(3-(O=),4-W,5-V-2H-1,2,3-

TRIAZOL-2-YL)-2H-CHROMENE AND

2-(O=),3-Y,4-R4,5-R3,6-R2,7-(1-(O=),4-W,5-V-2H-1,2,3-

TRIAZOL-2-YL)-2H-CHROMENE

A REDUCING AGENT UNDER REDUCTIVE CONDITIONS, AND (D) RECOVERING THE RESULTING COMPOUND OF THE FORMULA

2-(O=),4-R4,5-R3,6-R2,7-(4-W,5-V-2H-1,2,3-TRIAZOL-2-YL)-

2H-CHROMENE

FROM THE REACTION MIXTURE; LIKE SYMBOLS IN THE ABOVE FORMULAE HAVING THE SAME MEANINGS AS FOLLOWS; Y REPRESENTS A PHENYL RADICAL ANY SUBSTITUENT OF WHICH IS SELECTED FROM LOWER ALKOXY, LOWER ALKYL, AND HALOGEN OF AN ATOMIC NUMBER OF AT MOST 35, EACH OF V AND W REPRESENTS, INDEPENDENTLY OF THE OTHER, HYDROGEN, LOWER ALKYL, LOWER ALKYLSULPHONYL, FURYL, A PHENYL RADICAL ANY SUBSTITUENT OF WHICH IS SELECTED FROM HALOGEN OF AN ATOMIC NUMBER OF AT MOST 35, LOWER ALKYL, LOWER ALKOXY, NITRO, CARBOXYL, N,N-DI(LOWER ALKYL)-SULPHAMOYL AND TRIFLUOROMETHYL; OR A PHENYL-LOWER ALKYL RADICAL OR A PHENYL-SULPHONYL RADICAL, ANY SUBSTITUENTS OF THE LATTER TWO RADICALS BEING AT THE BENZENE NUCLEI THEREOF AND BEING SELECTED FROM LOWER ALKYL, LOWER ALKOXY AND HALOGEN OF AN ATOMIC NUMBER OF AT MOST 35; EACH OF R1 AND R4 REPRESENTS HYDROGEN OR LOWER ALKYL, AND EACH OF R2 AND R3 REPRESENTS HYDROGEN, LOWER ALKYL, OR LOWER ALKOXY; OR V AND W TAKEN TOGETHER REPRESENT 4,5-DIHYDRONAPHTHYLENE-(1,2).

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