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1. 发明授权

US5175348A Process for the preparation of halogenated carboxylic acid esters 失效
标题翻译：制备羟基羧酸酯的方法
公开(公告)号：US5175348A
公开(公告)日：1992-12-29
申请号：US849573
申请日：1992-03-10
申请人： Pasquale Gallegra , Gerhard Degischer
发明人： Pasquale Gallegra , Gerhard Degischer
IPC分类号： B01J27/138 , C07B61/00 , C07C67/287 , C07C69/63 , C07C69/635 , C07C69/65 , C07C69/76
CPC分类号： C07C67/287
摘要： The invention relates to a novel process for the preparation of halogenated carboxylic acid esters of formula I ##STR1## wherein R.sub.1 is alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl, R.sub.2 hydrogen is alkyl or cycloalkyl, and R.sub.3 is halogen having an atomic number of from 9 up to and including 53, which process comprises reacting an acylal of formula II ##STR2## with a hydrogen halide of the formula H--R.sub.3 (III).
摘要翻译：本发明涉及一种制备式I卤代羧酸酯的新方法，其中R1是烷基，烯基，炔基，环烷基，芳烷基或芳基，R2是氢或烷基或环烷基，R3是卤素原子序数为9以上且包括53，该方法包括使式II（II）的酰基与式H-R3（III）的卤化氢反应。

2. 发明授权

US5637775A Process for the preparation of halogenated ethers 失效
标题翻译：卤代醚的制备方法
公开(公告)号：US5637775A
公开(公告)日：1997-06-10
申请号：US427901
申请日：1995-04-26
申请人： Pasquale Gallegra , Gerhard Degischer
发明人： Pasquale Gallegra , Gerhard Degischer
IPC分类号： B01J31/02 , C07B61/00 , C07C41/22 , C07C41/28 , C07C43/12 , C07C43/174 , C07C27/04
CPC分类号： C07C41/28 , C07C41/50 , Y02P20/582
摘要： The invention relates to a process for the preparation of compounds of formula I ##STR1## wherein R is mono- or disubstituted lower alkyl, the substituents being selected from halogen and lower alkoxy, with the proviso that said substituents are not present at the carbon atom of the lower alkyl radical R linking the group R to the remainder of the molecule of formula I;R.sub.1 is hydrogen, lower alkyl, phenyl or phenyl-lower alkyl; andX is chloro or bromo;which comprises reacting an acetal of formula II, ##STR2## wherein R and R.sub.1 are as defined above,with at least one compound of formula R.sub.2 --X, wherein R.sub.2 is hydrogen or X--SO, in which last mentioned case the reaction mixture must contain a catalytically effective amount of N,N-di-lower alkyl-lower alkanoylamide(s) and wherein X is as defined with respect to the compounds of formula I. The compounds of formula I are useful intermediates, suitably for the synthesis of pharmaceutical or fungicidal compounds.
摘要翻译：本发明涉及制备式I化合物的方法，其中R是单取代或二取代的低级烷基，取代基选自卤素和低级烷氧基，条件是所述取代基不存在于将基团R与式I的分子的其余部分连接的低级烷基R的碳原子; R 1是氢，低级烷基，苯基或苯基 - 低级烷基; X为氯或溴; 其包括将式II的缩醛，其中R和R 1如上所定义的缩醛与至少一种式R 2 -X的化合物反应，其中R 2是氢或X-SO，其中最后提到的情况是反应混合物必须含有催化有效量的N，N-二 - 低级烷基 - 低级烷酰基酰胺，其中X如关于式I化合物所定义。式I化合物是有用的中间体，适用于药物或杀真菌化合物的合成。

3. 发明授权

US5292949A Process for the preparation of acid anhydrides 失效
标题翻译：酸酐制备方法
公开(公告)号：US5292949A
公开(公告)日：1994-03-08
申请号：US991407
申请日：1992-12-16
申请人： Pasquale Gallegra , Gerhard Degischer
发明人： Pasquale Gallegra , Gerhard Degischer
IPC分类号： C07C51/54 , C07C51/567 , C07C51/573 , C07C51/58 , C07C53/128 , C07C53/16 , C07C63/06 , C07C53/18
CPC分类号： C07C51/567
摘要： The invention relates to a novel process for the preparation of symmetrical acid anhydrides of general formula ##STR1## which process comprises reacting a compound of formula ##STR2## with an acid anhydride of formula ##STR3## with removal by distillation of the compound of formula ##STR4## R.sub.2 and X are as defined in the description, and X is chloro or bromo.
摘要翻译：本发明涉及一种制备通式为（*化学结构*）（I）的对称酸酐的新方法，该方法包括使式（*化学结构*）（II）的化合物与式 *化学结构*）（III），通过蒸馏除去式（*化学结构*）（Ⅳ）化合物，R 2和X如说明书中所定义，X是氯或溴。

4. 发明授权

US5171879A Process for the preparation of chlorinated carboxylic acid esters 失效
标题翻译：制备氯化羧酸酯的方法
公开(公告)号：US5171879A
公开(公告)日：1992-12-15
申请号：US849572
申请日：1992-03-10
申请人： Pasquale Gallegra , Gerhard Degischer
发明人： Pasquale Gallegra , Gerhard Degischer
IPC分类号： C07C67/287 , C07C69/63 , C07C69/635 , C07C69/65 , C07C69/75 , C07C69/76
CPC分类号： C07C67/287
摘要： The invention relates to a novel process for the preparation of chlorinated carboxylic acid esters of formula I ##STR1## wherein R.sub.1 is alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl and R.sub.2 hydrogen is alkyl or cycloalkyl, which process comprises reacting an acylal of formula II ##STR2## with thionyl chloride.
摘要翻译：本发明涉及一种制备式I的氯化羧酸酯的新方法，其中R 1是烷基，烯基，炔基，环烷基，芳烷基或芳基，R 2氢是烷基或环烷基，该方法包括使式II的酰基酰亚胺与二亚硫酰氯反应。

5. 发明授权

US4317916A Process for producing N-substituted-N-acetyl-2,6-dialkyl-anilines 失效
标题翻译：制备N-取代-N-乙酰基-2,6-二烷基苯胺的方法
公开(公告)号：US4317916A
公开(公告)日：1982-03-02
申请号：US183871
申请日：1980-09-04
申请人： Gerhard Degischer , Werner Angst
发明人： Gerhard Degischer , Werner Angst
IPC分类号： C07C233/16 , C07C102/00 , C07C67/00
CPC分类号： C07C233/16
摘要： An improved process for producing N-substituted N-acetyl-2,6-dialkylanilines of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are each methyl or ethyl, A is a 1,2-ethylene group which can be substituted by 1 or 2 methyl groups, or a 2-oxo-1,2-ethylene group which can be substituted by 1 or 2 methyl groups, R.sub.3 is an alkyl group having 1 to 3 carbon atoms, and X represents chlorine or an alkyl group having 1 to 3 carbon atoms, is disclosed, which process comprises reacting a N-substituted-2,6-dialkylaniline of the formula ##STR2## in which R.sub.1, R.sub.2, R.sub.3 and A have the meaning given above with an acetyl chloride of the formulaX--CH.sub.2 --CO--Clin which X has the meaning given above, in an excess of said acetyl chloride as solvent.The N-substituted-N-acetyl-2,6-dialkylanilines of the above formula can be used for protecting plants from being infected by phytopathogenic microorganisms.
摘要翻译：用于制备式（IMAGE）的N-取代的N-乙酰基-2,6-二烷基苯胺的改进方法，其中R 1和R 2彼此独立地为甲基或乙基，A为1,2-亚乙基，其可以是被1或2个甲基取代，或可被1或2个甲基取代的2-氧代-1,2-亚乙基，R 3是具有1至3个碳原子的烷基，X代表氯或烷基公开了具有1至3个碳原子的基团，该方法包括使式（VI）的N-取代-2,6-二烷基苯胺与其中R1，R2，R3和A具有上述含义的式其中X具有上述含义的式X-CH 2 -CO-Cl在过量的所述乙酰氯作为溶剂中。上式的N-取代-N-乙酰基-2,6-二烷基苯胺可用于保护植物不被植物病原微生物感染。

6. 发明授权

US4169847A Process for the manufacture of .alpha.-chloroalkanoyl chlorides 失效
标题翻译：制备α-氯代氯化物的方法
公开(公告)号：US4169847A
公开(公告)日：1979-10-02
申请号：US812625
申请日：1977-07-05
申请人： Gerhard Degischer , Werner Angst , Mario Valloton
发明人： Gerhard Degischer , Werner Angst , Mario Valloton
IPC分类号： C07C53/46 , B01J27/00 , C07B61/00 , C07C51/00 , C07C51/62 , C07C53/50 , C07C67/00 , C07C53/14
CPC分类号： C07C53/50 , C07C51/62
摘要： An improved process for the production of .alpha.-chloroalkanoyl chlorides by reaction of alkanoyl chlorides with chlorine at elevated temperatures is described in which process chlorosulphonic acid is used as catalyst.

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