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1. 发明授权

US6066754A Process for manufacturing N-alkoxy(or aryloxy)carbonyl isothiocyanate derivatives using N,N-dialkylarylamine as catalyst 有权
标题翻译：使用N，N-二烷基芳基胺作为催化剂制备N-烷氧基（或芳氧基）羰基异硫氰酸酯衍生物的方法
公开(公告)号：US6066754A
公开(公告)日：2000-05-23
申请号：US329744
申请日：1999-06-10
申请人： Shekhar V. Kulkarni
发明人： Shekhar V. Kulkarni
IPC分类号： C07C331/32 , C07C333/10 , C07C333/26 , C07C269/02 , C07C271/62
CPC分类号： C07C333/10 , C07C331/32
摘要： The present invention provides a process for making N-alkoxy(or aryloxy)carbonyl isothiocyanate derivatives by reacting a chloroformate with a thiocyanate, in the presence of an organic solvent and a catalytic amount of a N,N-dialkylarylamine, to produce a N-alkoxy(or aryloxy)carbonyl isothiocyanate intermediate product, wherein the intermediate product is converted to a N-alkoxy(or aryloxy)carbonyl isothiocyanate derivative in high yield and purity.
摘要翻译：本发明提供了通过在有机溶剂和催化量的N，N-二烷基芳基胺的存在下使氯甲酸酯与硫氰酸酯反应制备N-烷氧基（或芳氧基）羰基异硫氰酸酯衍生物的方法，烷氧基（或芳氧基）羰基异硫氰酸酯中间产物，其中中间产物以高产率和纯度转化为N-烷氧基（或芳氧基）羰基异硫氰酸酯衍生物。

2. 发明授权

US6147221A Process for the manufacture of sulfonylaminocarbonyl triazolinones and salts thereof 有权
标题翻译：磺酰氨基羰基三唑啉酮及其盐的制备方法
公开(公告)号：US6147221A
公开(公告)日：2000-11-14
申请号：US472335
申请日：1999-12-27
申请人： Vidyanatha A. Prasad , Shekhar V. Kulkarni , Eric Rivadeneira , Vijay C. Desai
发明人： Vidyanatha A. Prasad , Shekhar V. Kulkarni , Eric Rivadeneira , Vijay C. Desai
IPC分类号： C07D249/12
CPC分类号： C07D249/12
摘要： The present invention relates to a process for manufacturing sulfonylaminocarbonyl triazolinones and salts thereof, which are herbicidally active compounds, wherein the process does not require isolation of the intermediate product. In particular, this invention relates to the conversion of a substituted triazolinone to a sulfonylaminocarbonyl triazolinone, and without the isolation of this intermediate product, the sulfonylaminocarbonyl triazolinone is then converted to a salt thereof.
摘要翻译：本发明涉及一种制备除草活性化合物的磺酰氨基羰基三唑啉酮及其盐的方法，其中该方法不需要中间产物的分离。特别地，本发明涉及取代的三唑啉酮转化为磺酰基氨基羰基三唑啉酮，并且不分离该中间产物，然后将磺酰基氨基羰基三唑啉酮转化为其盐。

3. 发明授权

US07119234B2 Process for the preparation of 1-(4-chlorophenyl)-4,4-dimethylpent-1-ene-3-one 有权
公开(公告)号：US07119234B2
公开(公告)日：2006-10-10
申请号：US10993639
申请日：2004-11-19
申请人： Shekhar V. Kulkarni , Joe J. Hanson
发明人： Shekhar V. Kulkarni , Joe J. Hanson
IPC分类号： C07C45/72
CPC分类号： C07C49/235 , C07C45/74
摘要： The present invention relates to a method for the preparation of as 1-(4-Chlorophenyl)-4,4-dimethylpent-1-ene-3-one, also known as Phenyl aldol. The process of the present invention utilizes catalysts. The process enables the manufacture of the Phenyl aldol in the absence of a solvent and without crystalization or filtration steps. Yields in the range of about greater than 95% with purities in the range of about greater than 95% have been obtained with the present invention.

4. 发明授权

US06197971B1 Process for the manufacture of substituted triazolinones 有权
标题翻译：制备取代的三唑啉酮的方法
公开(公告)号：US06197971B1
公开(公告)日：2001-03-06
申请号：US09472482
申请日：1999-12-27
申请人： Shekhar V. Kulkarni , Vidyanatha A. Prasad , Vijay C. Desai , Eric Rivadeneira , Klaus Jelich
发明人： Shekhar V. Kulkarni , Vidyanatha A. Prasad , Vijay C. Desai , Eric Rivadeneira , Klaus Jelich
IPC分类号： C07D24912
CPC分类号： C07D249/12
摘要： The present invention relates to a process for manufacturing substituted triazolinones, which are intermediates in the preparation of herbicidally active compounds. In particular, this invention relates to the alkylation of a non-alkylated triazolinone intermediate product, wherein the improvement comprises conducting the alkylation reaction under pH controlled conditions. In a preferred embodiment, the invention relates to the preparation of a 5-alkoxy(or aryloxy)-2,4-dihydro-3H-1,2,4-triazol-3-one, and the alkylation of this non-alkylated triazolinone intermediate product, to produce a 5-alkoxy(or aryloxy)-4-alkyl-2,4-dihydro-3H-1,2,4-triazol-3-one.
摘要翻译：本发明涉及一种制备取代三唑啉酮的方法，它是制备除草活性化合物的中间体。特别地，本发明涉及非烷基化三唑啉酮中间产物的烷基化，其中改进包括在pH控制条件下进行烷基化反应。在优选的实施方案中，本发明涉及5-烷氧基（或芳氧基）-2,4-二氢-3H-1,2,4-三唑-3-酮的制备，并且该非烷基化的三唑啉酮的烷基化中间产物，生成5-烷氧基（或芳氧基）-4-烷基-2,4-二氢-3H-1,2,4-三唑-3-酮。

5. 发明授权

US07227042B2 Method of preparing 1-acetyl-1-chlorocyclopropane 失效
标题翻译： 1-乙酰基-1-氯环丙烷的制备方法
公开(公告)号：US07227042B2
公开(公告)日：2007-06-05
申请号：US10818689
申请日：2004-04-06
申请人： Joe J. Hanson , David M. Mayes , Klaus Stroech , Shekhar V. Kulkarni
发明人： Joe J. Hanson , David M. Mayes , Klaus Stroech , Shekhar V. Kulkarni
IPC分类号： C07C49/00 , C07C45/00
CPC分类号： C07C49/327 , C07C45/65
摘要： The present invention provides a method of preparing 1-acetyl-1-chlorocyclopropane from 1,3 dichloro-2-pentanone by reaction with base in the presence of a phase transfer catalyst. The reaction may be run in the presence or absence of an organic solvent and in a continuous or batch process.
摘要翻译：本发明提供了在相转移催化剂存在下，通过与碱反应，由1,3-二氯-2-戊酮制备1-乙酰基-1-氯环丙烷的方法。反应可以在存在或不存在有机溶剂的情况下进行，并且在连续或间歇方法中进行。

6. 发明授权

US06184412B2 Process for manufacture of N-alkoxy(or aryloxy)carbonyl isothiocyanate derivatives in the presence of N,N-dialkylarylamine catalyst and aqueous solvent 有权
标题翻译：在N，N-二烷基芳基胺催化剂和含水溶剂存在下制备N-烷氧基（或芳氧基）羰基异硫氰酸酯衍生物的方法
公开(公告)号：US06184412B2
公开(公告)日：2001-02-06
申请号：US09329405
申请日：1999-06-10
申请人： Shekhar V. Kulkarni , Vijay C. Desai
发明人： Shekhar V. Kulkarni , Vijay C. Desai
IPC分类号： C07C26100
CPC分类号： C07C333/10
摘要： The present invention provides a process for making N-alkoxy(or aryloxy)carbonyl isothiocyanate derivatives by reacting a chloroformate with a thiocyanate, in the presence of an aqueous solvent and a catalytic amount of a N,N-dialkylarylamine, to produce a N-alkoxy(or aryloxy)carbonyl isothiocyanate intermediate product, wherein the intermediate product is converted to a N-alkoxy(or aryloxy)carbonyl isothiocyanate derivative in high yield and purity.
摘要翻译：本发明提供了在含水溶剂和催化量的N，N-二烷基芳基胺的存在下使氯甲酸酯与硫氰酸酯反应制备N-烷氧基（或芳氧基）羰基异硫氰酸酯衍生物的方法，烷氧基（或芳氧基）羰基异硫氰酸酯中间产物，其中中间产物以高产率和纯度转化为N-烷氧基（或芳氧基）羰基异硫氰酸酯衍生物。

7. 发明授权

US5917050A Process for preparing alkoxytriazolinones 失效
标题翻译：制备烷氧基三唑啉酮的方法
公开(公告)号：US5917050A
公开(公告)日：1999-06-29
申请号：US22262
申请日：1998-02-11
申请人： Michael Conrad , Reinhard Lantzsch , Vijay C. Desai , Shekhar V. Kulkarni
发明人： Michael Conrad , Reinhard Lantzsch , Vijay C. Desai , Shekhar V. Kulkarni
IPC分类号： C07D249/12
CPC分类号： C07D249/12
摘要： Alkoxytriazolinones of the formula (I) �known for example as intermediates for preparing agrochemically active compounds! ##STR1## wherein R represents an alkyl group, an alkenyl group, an alkinyl group, a cycloalkyl group, a cycloalkylalkyl group, an aryl group or an arylalkyl group, any of which may be substituted, are prepared by reactinga) thioimidodicarboxylic diesters of the general formula (II) ##STR2## wherein R is as defined above and R.sup.1 represents an alkyl group, an arylalkyl group or an aryl group, any of which may be substituted, withb) hydrazine, hydrazine hydrate or an acid adduct of hydrazine.The reaction is conducted i) in the presence of a diluent and, optionally, in the presence of a basic reaction auxiliary, and ii) at temperatures between -10.degree. C. and +100.degree. C.
摘要翻译：式（I）的烷氧基三唑啉酮[已知为例如制备农用化学活性化合物的中间体]其中R表示烷基，烯基，炔基，环烷基，环烷基烷基，芳基或芳基烷基，其中任一个可以被取代，通过使通式（II）的硫代亚氨基二羧酸二酯与其中R如上定义并且R 1表示烷基，芳烷基或芳基，其中任何一个可以被取代的通式与b）肼，水合肼或肼的酸加合物。反应是在稀释剂存在下，任选地，在碱性反应助剂的存在下进行的，和ii）在-10℃至+ 100℃的温度下进行。

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