ATE58722T1 - Verfahren zur herstellung von n-methylcarbamaten. - Google Patents

Verfahren zur herstellung von n-methylcarbamaten.

Info

Publication number
ATE58722T1
ATE58722T1 AT85200685T AT85200685T ATE58722T1 AT E58722 T1 ATE58722 T1 AT E58722T1 AT 85200685 T AT85200685 T AT 85200685T AT 85200685 T AT85200685 T AT 85200685T AT E58722 T1 ATE58722 T1 AT E58722T1
Authority
AT
Austria
Prior art keywords
methyl isocyanate
outcoming
production
methylurethane
methylcarbamate
Prior art date
Application number
AT85200685T
Other languages
English (en)
Inventor
Franco Rivetti
Franco Mizia
Guido Garone
Ugo Romano
Original Assignee
Enichem Sintesi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enichem Sintesi filed Critical Enichem Sintesi
Application granted granted Critical
Publication of ATE58722T1 publication Critical patent/ATE58722T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/02Formation of carboxyl groups in compounds containing amino groups, e.g. by oxidation of amino alcohols
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/04Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from amines with formation of carbamate groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/04Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/02Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from isocyanates with formation of carbamate groups
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Indole Compounds (AREA)
AT85200685T 1985-02-08 1985-05-02 Verfahren zur herstellung von n-methylcarbamaten. ATE58722T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT19453/85A IT1183332B (it) 1985-02-08 1985-02-08 Procedimento per la produzione di n-metilcarbammati
EP85200685A EP0190466B1 (de) 1985-02-08 1985-05-02 Verfahren zur Herstellung von N-Methylcarbamaten

Publications (1)

Publication Number Publication Date
ATE58722T1 true ATE58722T1 (de) 1990-12-15

Family

ID=11158136

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85200685T ATE58722T1 (de) 1985-02-08 1985-05-02 Verfahren zur herstellung von n-methylcarbamaten.

Country Status (15)

Country Link
US (1) US4659845A (de)
EP (1) EP0190466B1 (de)
JP (1) JPH0617356B2 (de)
KR (1) KR870000673B1 (de)
CN (1) CN1004353B (de)
AT (1) ATE58722T1 (de)
AU (1) AU580823B2 (de)
BR (1) BR8502202A (de)
CA (1) CA1249594A (de)
DE (1) DE3580749D1 (de)
IL (1) IL75080A (de)
IT (1) IT1183332B (de)
MX (1) MX168252B (de)
SU (1) SU1433410A3 (de)
ZA (1) ZA859406B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8714873D0 (en) * 1987-06-25 1987-07-29 Bp Chemicals Additives Additives
IT1222428B (it) * 1987-07-31 1990-09-05 Enichem Sintesi Procedimento perfezionato per la produzione di n alchilcarbammati
US5220069A (en) * 1990-09-20 1993-06-15 Union Carbide Chemicals & Plastics Technology Corporation Processes for the preparation of carbamates
US5284962A (en) * 1992-10-09 1994-02-08 E. I. Du Pont De Nemours And Company Multistage process for making methyl carbamates
US5613856A (en) * 1995-07-11 1997-03-25 Hoover; Robert Ski training system
WO2000014057A1 (en) * 1998-07-30 2000-03-16 Aventis Cropscience S.A. New process for carbamate production
IT1318395B1 (it) * 2000-03-17 2003-08-25 Enichem Spa Processo in continuo per la sintesi di uretani aromatici.
TWI361179B (en) * 2006-11-17 2012-04-01 Asahi Kasei Chemicals Corp A process for producing isocyanates
TW200844080A (en) 2007-01-11 2008-11-16 Asahi Kasei Chemicals Corp Process for producing isocyanate
CN101652344B (zh) 2007-03-30 2014-06-04 旭化成化学株式会社 使用含有氨基甲酸酯和芳香族羟基化合物的组合物制造异氰酸酯的方法、以及氨基甲酸酯输送用和储藏用组合物
JP5313164B2 (ja) 2007-11-19 2013-10-09 旭化成ケミカルズ株式会社 イソシアネートおよび芳香族ヒドロキシ化合物の製造方法
TWI408120B (zh) * 2008-05-15 2013-09-11 Asahi Kasei Chemicals Corp A process for producing isocyanates using diaryl carbonates
US8895774B2 (en) 2008-05-15 2014-11-25 Asahi Kasei Chemicals Corporation Process for producing isocyanates using diaryl carbonate
KR20130127550A (ko) * 2008-05-15 2013-11-22 아사히 가세이 케미칼즈 가부시키가이샤 이소시아네이트의 제조 방법
US8058469B2 (en) 2008-11-03 2011-11-15 Sabic Innovative Plastics Ip B.V. Method for making carbamates, ureas and isocyanates
ES2345028B2 (es) 2009-03-10 2011-06-06 Universidad Politecnica De Valencia Preparacion de carbamatos en "one pot" con catalizadores solidos.
DE102012100127B4 (de) * 2012-01-10 2017-06-29 Karlsruher Institut für Technologie Herstellung von Carbamaten über eine basenkatalysierte Lossen- Umlagerung
JP5650777B2 (ja) * 2013-03-11 2015-01-07 旭化成ケミカルズ株式会社 炭酸ジアリールを用いるイソシアネートの製造方法
TWI561504B (en) * 2015-07-17 2016-12-11 Great Eastern Resins Ind Co Ltd Two-step and one-pot processes for preparation of aliphatic diisocyanates
CN106349110A (zh) * 2015-07-17 2017-01-25 大东树脂化学股份有限公司 制备脂肪族二异氰酸酯的二步法及一锅化合成法
WO2018212206A1 (ja) 2017-05-15 2018-11-22 旭化成株式会社 イソシアネートの製造方法
CN109384692A (zh) * 2018-12-12 2019-02-26 湖南海利常德农药化工有限公司 一种残杀威的制备方法
CN116271907B (zh) * 2023-03-20 2025-12-30 中国天辰工程有限公司 一种六亚甲基二异氰酸酯绿色制备的方法和系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1099084A (en) * 1966-02-08 1968-01-17 Toa Noyaku Kabushiki Kaisha Derivatives of phenyl n-methylcarbamates
IT1051034B (it) 1975-12-03 1981-04-21 Snam Progetti Procedimento per la preparazione di uretani aromatici
US4123450A (en) * 1977-09-22 1978-10-31 Fmc Corporation Process for preparing alkyl isocyanates
DE2756928A1 (de) * 1977-12-21 1979-07-05 Bayer Ag Verfahren zur kontinuierlichen herstellung von monoisocyanaten
CA1130702A (en) 1979-06-11 1982-08-31 Terence A. Trevor Sign routing machine
DE80584T1 (de) 1981-11-25 1983-09-15 Rockwell International Corp., 15219 Pittsburgh, Pa. Verfahren zur handhabung von zeitungen.
DE3215591A1 (de) * 1982-04-27 1983-10-27 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern
IT1164223B (it) * 1983-05-13 1987-04-08 Anic Spa Procedimento perfezionato per la produzione di isocianati alchilici

Also Published As

Publication number Publication date
JPH0617356B2 (ja) 1994-03-09
IL75080A0 (en) 1985-09-29
BR8502202A (pt) 1986-04-15
CN1004353B (zh) 1989-05-31
CN85109417A (zh) 1986-12-03
AU5121585A (en) 1986-08-14
DE3580749D1 (de) 1991-01-10
SU1433410A3 (ru) 1988-10-23
ZA859406B (en) 1986-08-27
CA1249594A (en) 1989-01-31
KR860006435A (ko) 1986-09-11
AU580823B2 (en) 1989-02-02
US4659845A (en) 1987-04-21
EP0190466A1 (de) 1986-08-13
EP0190466B1 (de) 1990-11-28
IT1183332B (it) 1987-10-22
IT8519453A0 (it) 1985-02-08
IL75080A (en) 1989-07-31
JPS61183257A (ja) 1986-08-15
MX168252B (es) 1993-05-14
KR870000673B1 (ko) 1987-04-06

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee