公开(公告)号：US4340746A

公开(公告)日：1982-07-20

申请号：US181428

申请日：1980-08-26

Applicant: Gunther Semler ,  Georg Schaeffer

Inventor： Gunther Semler ,  Georg Schaeffer

IPC: C07B61/00 ,  B01J31/00 ,  B01J31/02 ,  C07C67/00 ,  C07C313/00 ,  C07C329/00 ,  C07C329/02 ,  C07D307/38 ,  C07D333/10 ,  C07C153/11

CPC classification number: C07C329/00

Abstract: Thiochloroformates are prepared by reaction of mercaptans with phosgene in the presence of carboxylic acid amides and/or urea derivatives as catalysts in amounts smaller than hitherto known for this application. The amounts range from about 0.02 to 0.2 mol %, relative to the corresponding starting mercaptan. Despite the small amounts of catalyst the reaction proceeds as with the use of larger catalyst amounts; however, work-up is simplified and the product yields are increased in most cases.

Abstract translation: 在羧酸酰胺和/或脲衍生物作为催化剂的存在下，硫醇与光气反应制备硫代氯甲酸酯，其量小于迄今为止已知的用于本申请的量。 相对于相应的起始硫醇，其量为约0.02至0.2摩尔％。 尽管催化剂的量少，反应也随着使用较大的催化剂量而进行; 然而，在大多数情况下，后处理被简化，产品产量增加。

公开(公告)号：US4085129A

公开(公告)日：1978-04-18

申请号：US727332

申请日：1976-09-28

Applicant: Gunther Semler ,  Georg Schaeffer

Inventor： Gunther Semler ,  Georg Schaeffer

IPC: C07C68/02 ,  C07C69/96 ,  C07D317/70

CPC classification number: C07C69/96 ,  C07C68/02 ,  C07D317/70

Abstract: A process for the preparation of chloroformic acid aryl-esters and cyclic carbonates of aryl compounds containing at least two phenolic hydroxy groups wherein aromatic compounds containing one or more hydroxy groups linked to an aromatic nucleus, are reacted with phosgene in the presence of catalytic amounts of N,N-disubstituted acid amide either under pressure or without pressure while removing the hydrogen chloride continuously from the reaction mixture. This improved process results in almost quantitative or very high yields of pure products and avoids problems such as disposal of waste water.

Abstract translation: 制备含有至少两个酚羟基的芳基化合物的氯甲酸芳酯和环状碳酸酯的方法，其中含有一个或多个与芳核连接的羟基的芳族化合物在光催化剂存在下与光气反应， N，N-二取代的酰胺，同时从反应混合物中连续除去氯化氢。 这种改进的过程导致纯产品的几乎定量或非常高的产量，并且避免诸如处理废水的问题。

公开(公告)号：US3962326A

公开(公告)日：1976-06-08

申请号：US463826

申请日：1974-04-24

Applicant: Gunther Semler ,  Georg Schaeffer ,  Karl Waldmann

Inventor： Gunther Semler ,  Georg Schaeffer ,  Karl Waldmann

IPC: C07C53/38 ,  C07B61/00 ,  C07C51/00 ,  C07C51/60 ,  C07C55/36 ,  C07C57/64 ,  C07C63/00 ,  C07C67/00 ,  C07C51/58

CPC classification number: C07C51/60

Abstract: Process for preparing carboxylic acid chlorides by reaction of carboxylic acids or carboxylic anhydrides with phosgene at temperatures of from 0.degree. to 180.degree.C in the presence of a catalyst, wherein 0.01 to 10 weight percent, calculated on the carboxylic acid or the carboxylic anhydride, of trisubstituted phosphine oxides or trisubstituted phosphine sulfides or reaction products of these compounds with phosgene and/or acids or acid anhydrides or mixtures of these compounds are used as catalyst.

Abstract translation: 通过羧酸或羧酸酐与光气在0℃至180℃的温度下在催化剂存在下反应制备羧酸氯化物的方法，其中0.01至10％（重量）按羧酸或羧酸酐计算， 三取代膦氧化物或三取代膦硫化物或这些化合物与光气和/或酸或酸酐或这些化合物的混合物的反应产物用作催化剂。

公开(公告)号：US5349104A

公开(公告)日：1994-09-20

申请号：US58281

申请日：1993-05-04

Applicant: Gilbert Billeb ,  Gunther Semler

Inventor： Gilbert Billeb ,  Gunther Semler

IPC: C07C209/90 ,  C07C211/05 ,  C07C211/07 ,  C07C211/27 ,  C07C211/35 ,  C07C211/52 ,  C07C209/82

CPC classification number: C07C211/05 ,  C07C209/90 ,  C07C211/07 ,  C07C211/27 ,  C07C211/35 ,  C07C211/52

Abstract: Without added stabilizers, aminobenzotrifluorides have low thermal and storage stability.The present invention relates to preparations of a stabilized amionbenzotrifluoride, composed essentially ofa) an aminobenzotrifluoride of the formula (I), ##STR1## in which R.sup.1 and R.sup.2, independently of each other, are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, substituted or unsubstituted aryl, halogen, CF.sub.3, nitro, amino, methoxy, hydroxyl or NR.sup.3 R.sup.4, where R.sup.3 and R.sup.4, independently of each other, are hydrogen or C.sub.1 -C.sub.5 -alkyl radicals, and the NH.sub.2 group can be located in the 2-, 3- or 4-position in relation to the CF.sub.3 group, andb) at least one base.

Abstract translation: 没有添加稳定剂，氨基三氟甲苯具有低热稳定性和储存稳定性。 本发明涉及稳定的酰胺三氟甲苯的制备方法，其主要由a）氨基三氟甲苯，式（I），其中R 1和R 2彼此独立地是氢，C 1 -C 6烷基 ，C 2 -C 6 - 烯基，取代或未取代的芳基，卤素，CF 3，硝基，氨基，甲氧基，羟基或NR 3 R 4，其中R 3和R 4彼此独立地为氢或C 1 -C 5 - 烷基， 可以相对于CF 3基团位于2-，3-或4-位，和b）至少一个碱基。

公开(公告)号：US5241120A

公开(公告)日：1993-08-31

申请号：US856219

申请日：1992-06-15

Applicant: Gunther Sell ,  Gunther Semler

Inventor： Gunther Sell ,  Gunther Semler

IPC: C07C315/04 ,  C07C317/14

CPC classification number: C07C315/04

Abstract: Process for the preparation of alkyl 3-chlorophenyl sulfones of the formula (I), in which R.sub.1 and R.sub.2 are straight-chain or branched alkyl (C.sub.1 -C.sub.4) groups, which can be identical or different, by reacting alkyl phenyl sulfones of the formula (II), in which R.sub.1 and R.sub.2 have the meanings given above, with chlorine in sulfuric acid or fuming sulfuric acid at temperatures of about 20 to about 180.degree. C.

Abstract translation: PCT No.PCT / EP90 / 01846 Sec。 371日期：1992年6月15日 102（e）日期1992年6月15日PCT 1990年11月3日PCT PCT。 出版物WO91 / 07384 1991年5月30日。制备式（I）烷基3-氯苯基砜的方法，其中R 1和R 2是直链或支链烷基（C 1 -C 4）基团，其可以相同或不同，由 在约20至约180℃的温度下，使式（II）的烷基苯基砜（其中R 1和R 2具有上述含义）与氯在硫酸或发烟硫酸中反应。

公开(公告)号：US5003079A

公开(公告)日：1991-03-26

申请号：US441160

申请日：1989-11-24

Applicant: Michael Meier ,  Gunther Semler

Inventor： Michael Meier ,  Gunther Semler

IPC: C07D235/26

CPC classification number: C07D235/26

Abstract: Process for the preparation of benzimidazolones of the formula (1) ##STR1## in which R.sub.1 and R.sub.2 are identical or different and denote hydrogen or halogen atoms, or alkyl(C.sub.1 -C.sub.4), alkoxy(c.sub.1 -C.sub.4), trifluoromethyl, phenyl, phenoxy or nitro groups, by reacting o-phenylenediamines of the formula (2) ##STR2## in which R.sub.1 and R.sub.2 have the meaning given, with phosgene in water in the presence of an alkali metal base or alkaline earth metal base or a salt of an alkali metal hydroxide or alkaline earth metal hydroxide and a weakly inorganic or organic acid or a mixture of such salts or a suitable buffer system, at a pH of about 6 to about 12, and at a temperature of about 20.degree. to 100.degree. C.

Abstract translation: 制备式（1）的苯并咪唑酮的方法其中R1和R2相同或不同并表示氢或卤素原子，或烷基（C1-C4），烷氧基（C1-C4），三氟甲基 ，苯基，苯氧基或硝基，通过在碱金属碱或碱土的存在下，将式（2）中的邻苯二胺与式（2）中R1和R2的定义同光气在水中反应 金属碱或碱金属氢氧化物或碱土金属氢氧化物和弱无机或有机酸的盐或这些盐或合适的缓冲体系的混合物，pH约6至约12，温度约为 20〜100℃

公开(公告)号：US4770820A

公开(公告)日：1988-09-13

申请号：US851952

申请日：1986-04-14

Applicant: Gunther Semler ,  Georg Schaeffer

Inventor： Gunther Semler ,  Georg Schaeffer

IPC: C07C271/04 ,  C07C67/00 ,  C07C239/00 ,  C07C271/02 ,  C07C125/03

CPC classification number: C07C271/02

Abstract: Carbamoyl chlorides derived from secondary aliphatic amines having alkyl groups which are branched in the 1-position are prepared by passing phosgene at an elevated temperature into the corresponding, initially taken--if appropriate dissolved in an inert solvent--secondary aliphatic amines having alkyl groups which are branched in the 1-position.The reaction products are intermediates in various specialized fields, particularly in the plant protection sector.

Abstract translation: 衍生自具有1位支链的烷基的仲脂族胺的氨基甲酰氯通过将光气在升高的温度下进入适当的溶剂制备，溶解在相应的溶剂中，溶解在具有烷基的惰性溶剂 - 仲脂肪族胺中 在1位分支。 反应产物是各种专业领域的中间体，特别是植物保护领域。