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51. 发明专利

CS221277B2 METHOD OF MAKING THE NITROSOBENZENE 未知
公开(公告)号：CS221277B2
公开(公告)日：1983-04-29
申请号：CS634180
申请日：1980-09-19
申请人： AKZO NV
发明人： ZENGEL HANS-GEORG , BERGFELD MANFRED
IPC分类号： C07B61/00 , B01J21/00 , B01J23/00 , B01J27/00 , B01J27/16 , B01J27/20 , C07C20060101 , C07C67/00 , C07C201/00 , C07C207/02 , C07C81/02
摘要： An improved process for the preparation of nitrosobenzene by catalytically reducing nitrobenzene is disclosed. The improvement comprises performing the reduction in the absence of a reducing agent.

53. 发明专利

ES495371A0 未知
公开(公告)号：ES495371A0
公开(公告)日：1981-06-16
申请号：ES495371
申请日：1980-09-26
申请人： AKZO NV
IPC分类号： C07B61/00 , B01J21/00 , B01J23/00 , B01J27/00 , B01J27/16 , B01J27/20 , C07C20060101 , C07C67/00 , C07C201/00 , C07C207/02 , C07C81/02 , C07C76/00
摘要： An improved process for the preparation of nitrosobenzene by catalytically reducing nitrobenzene is disclosed. The improvement comprises performing the reduction in the absence of a reducing agent.

54. 发明专利

ES494254A2 未知
公开(公告)号：ES494254A2
公开(公告)日：1981-04-01
申请号：ES49425480
申请日：1980-08-14
IPC分类号： C07C207/00 , C07B61/00 , C07C20060101 , C07C67/00 , C07C201/00 , C07C207/02 , C07C81/02
CPC分类号： C07C201/00 , C07C207/02

55. 发明专利

NL8004281A 未知
公开(公告)号：NL8004281A
公开(公告)日：1981-02-19
申请号：NL8004281
申请日：1980-07-25
申请人： AKZO NV
IPC分类号： C07C207/00 , C07B61/00 , C07C20060101 , C07C67/00 , C07C201/00 , C07C207/02 , C07C81/02

58. 发明专利

CA1038869A METHOD FOR THE PRODUCTION OF OMEGA LACTAMS AND THEIR PRECURSORS BY FORMATION AND OSATION OF THE CYCLOMETHYLENE KETENE-SO2 ADDUCT AND PRODUCTS OBTAINED THEREBY 未知
公开(公告)号：CA1038869A
公开(公告)日：1978-09-19
申请号：CA162227
申请日：1973-01-26
申请人： SNIA VISCOSA
发明人： GIUFFRE LUIGI , SIOLI GIANCARLO , MATTONE ROBERTO
IPC分类号： C07D201/02 , C07C67/00 , C07C201/00 , C07C207/00 , C07C239/00 , C07C251/46 , C07D201/04 , C07D201/10 , C07D205/08 , C07D207/263 , C07D223/02 , C07C81/02 , C07C131/04
摘要： A method for the preparation of omega lactams is disclosed, more particularly epsilon caprolactam or a precursor thereof (such as cyclohexanone oxime), using as the starting material a cyclomethylene ketene, with the simultaneous formation of side products such as cyclohexanecarboxylic acid, wherein an adduct is preliminarly formed between cyclomethylene ketene and sulphur dioxide. The adduct is then reacted with a nitorsating agent so as to obtain, under the appropriate reaction conditions, the expected lactam, more specifically epsilon caprolactam.

59. 发明专利

CH581092A5 未知
公开(公告)号：CH581092A5
公开(公告)日：1976-10-29
申请号：CH1297473
申请日：1973-09-11
申请人： ICI LTD
IPC分类号： B01J21/06 , B01J23/00 , B01J23/34 , B01J27/18 , B01J27/20 , C07C81/02
摘要： A process for the manufacture of nitroso compounds of the benzene series which comprises heating an aromatic nitrobenzene compound with an aldehyde, ketone or alcohol in the presence of a catalyst having a lattice consisting of a heavy metal selected from antimony, bismuth, cerium, chromium, cobalt, copper, germanium, gold, iron, lanthanum, lead, manganese, mercury, molybdenum, neodymium, nickel, rhenium, silver, tantalum, thallium, thorium, tin, titanium, tungsten, vanadium and zirconium, in association with oxygen atoms or hydroxyl, carbonate or phosphate ions and having at least one other of said heavy metals forming impurity atoms in the lattice. This process is related to those described in U.S. Pat. Nos. 3,578,720 and 3,700,605 but replaces the carbon monoxide used as reducing agent by an aldehyde, ketone or alcohol, especially a lower aliphatic alcohol, with consequent advantages in lower toxicity and ease of control of the process. The preferred reducing agent is methanol.

60. 发明专利

FR2200242B3 未知
公开(公告)号：FR2200242B3
公开(公告)日：1976-08-13
申请号：FR7332993
申请日：1973-09-13
申请人： ICI LTD
IPC分类号： B01J21/06 , B01J23/00 , B01J23/34 , B01J27/18 , B01J27/20 , C07C81/02
摘要： A process for the manufacture of nitroso compounds of the benzene series which comprises heating an aromatic nitrobenzene compound with an aldehyde, ketone or alcohol in the presence of a catalyst having a lattice consisting of a heavy metal selected from antimony, bismuth, cerium, chromium, cobalt, copper, germanium, gold, iron, lanthanum, lead, manganese, mercury, molybdenum, neodymium, nickel, rhenium, silver, tantalum, thallium, thorium, tin, titanium, tungsten, vanadium and zirconium, in association with oxygen atoms or hydroxyl, carbonate or phosphate ions and having at least one other of said heavy metals forming impurity atoms in the lattice. This process is related to those described in U.S. Pat. Nos. 3,578,720 and 3,700,605 but replaces the carbon monoxide used as reducing agent by an aldehyde, ketone or alcohol, especially a lower aliphatic alcohol, with consequent advantages in lower toxicity and ease of control of the process. The preferred reducing agent is methanol.

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