CA1148969A - Process for the preparation of n,o-disubstituted urethanes suitable as a starting material for the preparation of isocyanates - Google Patents

Process for the preparation of n,o-disubstituted urethanes suitable as a starting material for the preparation of isocyanates

Info

Publication number
CA1148969A
CA1148969A CA000362931A CA362931A CA1148969A CA 1148969 A CA1148969 A CA 1148969A CA 000362931 A CA000362931 A CA 000362931A CA 362931 A CA362931 A CA 362931A CA 1148969 A CA1148969 A CA 1148969A
Authority
CA
Canada
Prior art keywords
preparation
urethanes
hours
mols
disubstituted
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000362931A
Other languages
English (en)
French (fr)
Inventor
Peter Heitkamper
Klaus Konig
Rudolf Fauss
Kurt Findeisen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6084533&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1148969(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1148969A publication Critical patent/CA1148969A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/91Dibenzofurans; Hydrogenated dibenzofurans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Saccharide Compounds (AREA)
CA000362931A 1979-10-27 1980-10-22 Process for the preparation of n,o-disubstituted urethanes suitable as a starting material for the preparation of isocyanates Expired CA1148969A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2943480.8 1979-10-27
DE19792943480 DE2943480A1 (de) 1979-10-27 1979-10-27 Verfahren zur herstellung von n,o-disubstituierten urethanen, sowie ihre verwendung als ausgangsmaterial zur herstellung von isocyanaten

Publications (1)

Publication Number Publication Date
CA1148969A true CA1148969A (en) 1983-06-28

Family

ID=6084533

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000362931A Expired CA1148969A (en) 1979-10-27 1980-10-22 Process for the preparation of n,o-disubstituted urethanes suitable as a starting material for the preparation of isocyanates

Country Status (10)

Country Link
US (1) US4388238A (enExample)
EP (1) EP0027952B1 (enExample)
JP (1) JPS57112363A (enExample)
AT (1) ATE3032T1 (enExample)
AU (1) AU538538B2 (enExample)
BR (1) BR8006850A (enExample)
CA (1) CA1148969A (enExample)
DE (2) DE2943480A1 (enExample)
ES (1) ES496234A0 (enExample)
ZA (1) ZA806550B (enExample)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917493A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
DE2917569A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aromatischen di- und polyurethanen
DE2917490A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
US4851565A (en) * 1979-04-30 1989-07-25 Basf Aktiengesellschaft Catalyzed process for the preparation of an aliphatic, cycloaliphatic, arylaliphatic or aliphatic-cycloaliphatic di- or polyurethane
DE2943551A1 (de) 1979-10-27 1981-05-07 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von n,o-disubstituierten urethanen, sowie ihre verwendung zur herstellung von isocyanaten
DE3110573A1 (de) * 1981-03-18 1982-10-21 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von n- und o-substituierten di- und/oder polyurethanen
DE3314790A1 (de) * 1983-04-23 1984-10-25 Basf Ag, 6700 Ludwigshafen Mehrstufenverfahren zur herstellung von 3-isocyanatomethyl-3,5,5-trimethyl-cyclohexylisocyanat
DE3327824A1 (de) * 1983-08-02 1985-02-14 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von n,o-substituierten mono- und/oder polyurethanen
US5179223A (en) * 1990-12-13 1993-01-12 Union Carbide Chemicals & Plastics Technology Corporation Process for producing carbamates from oximes
US5194660A (en) * 1990-12-21 1993-03-16 Union Carbide Chemicals & Plastics Technology Corporation Processes for producing carbamates and isocyanates
DE4141402A1 (de) * 1991-12-16 1993-06-17 Bayer Ag Verfahren zur herstellung von hochreinen aromatischen di- und/oder polyurethanen
JPH0586202U (ja) * 1992-04-27 1993-11-22 株式会社長田中央研究所 使い捨て用長ぐつ
US5233010A (en) * 1992-10-15 1993-08-03 Monsanto Company Process for preparing isocyanate and carbamate ester products
US5298651A (en) * 1992-10-15 1994-03-29 Monsanto Company Process for preparing isocyanates using phosphazine catalysts
US5349081A (en) * 1993-01-21 1994-09-20 Monsanto Company Process for preparing isocyanates
DE4342426A1 (de) * 1993-12-13 1995-06-14 Bayer Ag Verfahren zur Herstellung von Diurethanen und ihre Verwendung zur Herstellung von Diisocyanaten
US5451697A (en) * 1993-12-27 1995-09-19 Monsanto Company Process for preparing isocyanates
US5512603A (en) * 1994-02-22 1996-04-30 Air Products And Chemicals, Inc. Hydroxy and amino functional pyrrolizidine catalyst compositions for the production of polyurethanes
DE4441176A1 (de) 1994-11-18 1996-05-23 Bayer Ag Allophanatgruppen aufweisende Polyisocyanate
DE19523386A1 (de) * 1995-06-23 1997-01-09 Bayer Ag Verfahren zur Entfernung von Nebenprodukten aus Diurethanen
EP1116713B1 (en) 1998-09-04 2010-02-17 Chemipro Kasei Kaisha, Ltd. Color-developing compound and recording material
US7635662B2 (en) * 1998-09-04 2009-12-22 Chemipro Kasei Kaisha, Ltd. Compound for color-producing composition, and recording material
MXPA05003715A (es) * 2002-10-07 2005-09-30 Univ California Modulacion de ansiedad a traves de bloqueo de hidrolisis de anandamida.
DE102005043799A1 (de) 2005-09-13 2007-04-12 Basf Ag Verfahren zur Herstellung von Isocyanaten
JP5692964B2 (ja) 2006-01-13 2015-04-01 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se イソシアネートの製造法
JP2009545553A (ja) 2006-08-01 2009-12-24 ビーエーエスエフ ソシエタス・ヨーロピア ペンタメチレン−1,5−ジイソシアネートの製造方法
US8193385B2 (en) 2006-08-31 2012-06-05 Basf Se Method for producing isocyanates
BRPI0718144B1 (pt) * 2006-11-17 2017-04-04 Asahi Kasei Chemicals Corp processo para produzir um isocianato, e, policarbamato de arila
TW200844080A (en) 2007-01-11 2008-11-16 Asahi Kasei Chemicals Corp Process for producing isocyanate
JP4958971B2 (ja) 2007-03-30 2012-06-20 旭化成ケミカルズ株式会社 カルバミン酸エステルおよび芳香族ヒドロキシ化合物を含む組成物を用いるイソシアネートの製造方法、ならびにカルバミン酸エステル移送用および貯蔵用組成物
US8895774B2 (en) * 2008-05-15 2014-11-25 Asahi Kasei Chemicals Corporation Process for producing isocyanates using diaryl carbonate
US9233918B2 (en) * 2008-05-15 2016-01-12 Asahi Kasei Chemicals Corporation Isocyanate production process
WO2010116871A1 (ja) * 2009-04-09 2010-10-14 三井化学株式会社 ウレタン化合物およびその製造方法、および、イソシアネートおよびその製造方法
CN101891651B (zh) 2009-05-19 2014-03-12 拜耳材料科技(中国)有限公司 用于制备n-取代的氨基甲酸酯的催化剂及其制备方法和应用
RU2528423C2 (ru) 2009-08-21 2014-09-20 Асахи Касеи Кемикалз Корпорейшн Способ получения сложного эфира n-замещенной карбаминовой кислоты и способ получения изоцианата с использованием сложного эфира n-замещенной карбаминовой кислоты
US8859805B2 (en) 2009-09-22 2014-10-14 Basf Se Process for preparing isocyanates
CN102666479B (zh) 2009-12-04 2014-11-05 巴斯夫欧洲公司 制备异氰酸酯的方法
JP5917794B2 (ja) * 2010-07-07 2016-05-18 三井化学株式会社 トルエンジカルバメート組成物の製造方法、および、トルエンジイソシアネートの製造方法
KR101507251B1 (ko) * 2011-02-21 2015-03-30 아사히 가세이 케미칼즈 가부시키가이샤 카르보닐 화합물의 제조 방법
US8871969B2 (en) 2011-05-30 2014-10-28 Basf Se Process for the production of polyisocyanates
CN103596920A (zh) 2011-05-30 2014-02-19 巴斯夫欧洲公司 制备多异氰酸酯的方法
US8772527B2 (en) 2012-04-27 2014-07-08 Basf Se Process for isomerization of cis-2-pentenenitrile to 3-pentenenitriles
EP3795561B1 (en) 2018-05-15 2024-11-06 Asahi Kasei Kabushiki Kaisha Method for producing carbamate and method for producing isocyanate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2409712A (en) * 1944-02-03 1946-10-22 Du Pont Chemical process and products
US2806051A (en) * 1955-11-01 1957-09-10 Goodrich Co B F Method for preparing urethanes by reacting urea, amines and an alcohol
CA1121374A (en) * 1979-04-30 1982-04-06 Franz Merger Process for the preparation of an aryl mono-, di-, and/or polyurethane
US4375000A (en) * 1979-04-30 1983-02-22 Basf Aktiengesellschaft Process for the preparation of an aryl mono-, di-, and/or polyurethane
DE2917568A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aromatischen di- und polyurethanen
DE2917490A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
DE2942510A1 (de) * 1979-10-20 1981-05-07 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von aryl-mono- und -polyurethanen

Also Published As

Publication number Publication date
EP0027952A1 (de) 1981-05-06
ZA806550B (en) 1981-11-25
ATE3032T1 (de) 1983-04-15
AU6371680A (en) 1981-04-30
EP0027952B1 (de) 1983-04-13
JPH0161102B2 (enExample) 1989-12-27
BR8006850A (pt) 1981-04-28
JPS57112363A (en) 1982-07-13
ES8106885A1 (es) 1981-09-16
AU538538B2 (en) 1984-08-16
ES496234A0 (es) 1981-09-16
US4388238A (en) 1983-06-14
DE3062771D1 (en) 1983-05-19
DE2943480A1 (de) 1981-05-07

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Publication Publication Date Title
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