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1.发明授权
公开(公告)号：US3862977A
公开(公告)日：1975-01-28
申请号：US32573773
申请日：1973-01-22
Applicant: BASF AG
Inventor： JUNGE HELMUT , QUADBECK-SEEGER HANS-JUERGEN
IPC: C07C257/12 , C07C20060101 , C07C67/00 , C07C239/00 , C07C121/78
CPC classification number: C07C255/58
Abstract: A process for the production of N-(o-cyanophenyl)-N,N''disubstituted formamidines bearing nitro substituents in the 4position or the 6-position comprising the nitration of the corresponding compounds having no nitro substituent. The process is distinguished by its high selectivity.
Abstract translation: 一种在4-位或6-位上产生具有硝基取代基的N-（邻氰基苯基）-N，N'-二取代甲酰胺的方法，包括硝基取代不含硝基取代基的化合物。 该方法的选择性高。
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公开(公告)号：US3862958A
公开(公告)日：1975-01-28
申请号：US30424172
申请日：1972-11-06
Applicant: BASF AG
IPC: C07D231/56 , C07D249/10
CPC classification number: C07D249/10 , C07D231/56
Abstract: Preparation of indazoles by reacting o-toluidines with alkyl nitrites, esters of glycols or glycol derivatives with nitrous acid, and/or nitrous gases in the presence of acetic anhydride, an alkali metal salt of an alkanoic acid and an organic solvent followed by elimination of the acetyl group from the 1acetylindazole formed. The compounds prepared by the process of the invention are valuable intermediates in the manufacture of dyes, pharmaceuticals and pesticides.
Abstract translation: 在乙酸酐，链烷酸的碱金属盐和有机溶剂的存在下，使邻甲苯胺与亚硝酸烷基酯，二醇或二醇衍生物与亚硝酸的酯和/或亚硝基气体反应制备吲唑，然后除去 形成来自1-乙酰基吲唑基的乙酰基。 通过本发明方法制备的化合物是制造染料，药物和农药的有价值的中间体。
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公开(公告)号：US3923825A
公开(公告)日：1975-12-02
申请号：US44633074
申请日：1974-02-27
Applicant: BASF AG
IPC: C07D261/08
CPC classification number: C07D261/08
Abstract: Isooxazole is produced by reaction of a vinyl ether with an acid halide and a formamide and reaction of the reaction mixture with hydroxylamine. The product is a starting material for the production of dyes and pest control agents.
Abstract translation: 异恶唑通过乙烯基醚与酰卤和甲酰胺的反应产生，反应混合物与羟胺反应。 该产品是用于生产染料和害虫控制剂的起始原料。
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公开(公告)号：US3911031A
公开(公告)日：1975-10-07
申请号：US34134873
申请日：1973-03-15
Applicant: BASF AG
Inventor： HOCH HELMUT , QUADBECK-SEEGER HANS-JUERGEN
IPC: C07C205/22 , C07C79/24
CPC classification number: C07C201/08 , C07C205/22
Abstract: 3-NITRO-P-CRESOL-(1) IS PRODUCED BY NITRATION OF P-CRESOL CARBONATE, PRECIPITATION OF 3-NITRO-P-CRESOL CARBONATE BY DILUTION WITH WATER AT 85* TO 100*C and saponification of the carbonate in aqueous ammonia at 60* to 80*C or in the presence of amines at a temperature of not more than 80*C. The product is a starting material for the production of dyes and herbicides.
Abstract translation: 3-NITRO-P-CRESOL-（1）由碳酸亚铁制成，通过在85℃至100℃下用水稀释并将其在氨水中皂化，得到3-硝基 - 碳酸甲酯， 在60℃至80℃下或在不高于80℃的温度下在胺存在下进行。该产物是用于生产染料和除草剂的原料。
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