ZA806550B - A process for the preparation of n,o-disubstituted urethanes suitable as a starting material for the preparation of isocyanates - Google Patents

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

Info

Publication number
ZA806550B
ZA806550B ZA00806550A ZA806550A ZA806550B ZA 806550 B ZA806550 B ZA 806550B ZA 00806550 A ZA00806550 A ZA 00806550A ZA 806550 A ZA806550 A ZA 806550A ZA 806550 B ZA806550 B ZA 806550B
Authority
ZA
South Africa
Prior art keywords
preparation
isocyanates
starting material
disubstituted
urethanes
Prior art date
Application number
ZA00806550A
Other languages
English (en)
Inventor
K Koenig
P Heitkaemper
K Findeisen
R Fauss
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=ZA806550(B) "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
Publication of ZA806550B publication Critical patent/ZA806550B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic 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
    • C07D307/91—Dibenzofurans; 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)
  • Saccharide Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
ZA00806550A 1979-10-27 1980-10-24 A process for the preparation of n,o-disubstituted urethanes suitable as a starting material for the preparation of isocyanates ZA806550B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
ZA806550B true ZA806550B (en) 1981-11-25

Family

ID=6084533

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00806550A ZA806550B (en) 1979-10-27 1980-10-24 A 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 (fr)
EP (1) EP0027952B1 (fr)
JP (1) JPS57112363A (fr)
AT (1) ATE3032T1 (fr)
AU (1) AU538538B2 (fr)
BR (1) BR8006850A (fr)
CA (1) CA1148969A (fr)
DE (2) DE2943480A1 (fr)
ES (1) ES8106885A1 (fr)
ZA (1) ZA806550B (fr)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917490A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
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
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
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
US5298651A (en) * 1992-10-15 1994-03-29 Monsanto Company Process for preparing isocyanates using phosphazine catalysts
US5233010A (en) * 1992-10-15 1993-08-03 Monsanto Company Process for preparing isocyanate and carbamate ester products
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
WO2000014058A1 (fr) 1998-09-04 2000-03-16 Asahi Kasei Kabushiki Kaisha Nouveau compose chromo-sensible
US7635662B2 (en) * 1998-09-04 2009-12-22 Chemipro Kasei Kaisha, Ltd. Compound for color-producing composition, and recording material
KR20050088992A (ko) 2002-10-07 2005-09-07 더 리전트 오브 더 유니버시티 오브 캘리포니아 아난드아미드 가수분해 차단을 통한 불안감의 조절
DE102005043799A1 (de) * 2005-09-13 2007-04-12 Basf Ag Verfahren zur Herstellung von Isocyanaten
ATE512130T1 (de) 2006-01-13 2011-06-15 Basf Se Verfahren zur herstellung von isocyanaten
WO2008015134A1 (fr) 2006-08-01 2008-02-07 Basf Se Procédé de fabrication de pentaméthylèn-1,5-diisocyanate
JP5460321B2 (ja) 2006-08-31 2014-04-02 ビーエーエスエフ ソシエタス・ヨーロピア イソシアネートの製造方法
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
ES2619508T3 (es) 2007-03-30 2017-06-26 Asahi Kasei Kabushiki Kaisha Procedimiento para producir un isocianato utilizando una composición que comprende un éster de ácido carbámico y un compuesto hidroxiaromático, y composición para el transporte o el almacenamiento de ésteres de ácido carbámico
KR101525641B1 (ko) 2008-05-15 2015-06-03 아사히 가세이 케미칼즈 가부시키가이샤 이소시아네이트의 제조 방법
CA2721357C (fr) * 2008-05-15 2014-01-07 Asahi Kasei Chemicals Corporation Procede de production d'isocyanate utilisant un diaryl carbonate
JP5499023B2 (ja) * 2009-04-09 2014-05-21 三井化学株式会社 ウレタン化合物の製造方法およびイソシアネートの製造方法
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
EP3153499B1 (fr) 2009-08-21 2018-09-19 Asahi Kasei Kabushiki Kaisha Procédé de production d'ester d'acide carbamique n-substitué
WO2011036062A2 (fr) 2009-09-22 2011-03-31 Basf Se Procédé de production d'isocyanates
PT2507206E (pt) 2009-12-04 2014-12-26 Basf Se Método para a produção de isocianatos
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
SG192555A1 (en) * 2011-02-21 2013-09-30 Asahi Kasei Chemicals Corp Process for producing carbonyl compounds
WO2012163894A2 (fr) 2011-05-30 2012-12-06 Basf Se Procédé de production de polyisocyanates
US8871969B2 (en) 2011-05-30 2014-10-28 Basf Se Process for the production of polyisocyanates
US8772527B2 (en) 2012-04-27 2014-07-08 Basf Se Process for isomerization of cis-2-pentenenitrile to 3-pentenenitriles
US11352319B2 (en) 2018-05-15 2022-06-07 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
DE2942510A1 (de) * 1979-10-20 1981-05-07 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von aryl-mono- und -polyurethanen
DE2917568A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aromatischen di- und polyurethanen
US4375000A (en) * 1979-04-30 1983-02-22 Basf Aktiengesellschaft Process for the preparation of an aryl mono-, di-, and/or polyurethane
DE2917490A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
CA1121374A (fr) * 1979-04-30 1982-04-06 Franz Merger Procede d'obtention d'un aryl-mono-,di- ou polyurethanne

Also Published As

Publication number Publication date
EP0027952B1 (fr) 1983-04-13
US4388238A (en) 1983-06-14
EP0027952A1 (fr) 1981-05-06
AU538538B2 (en) 1984-08-16
CA1148969A (fr) 1983-06-28
ES496234A0 (es) 1981-09-16
ATE3032T1 (de) 1983-04-15
BR8006850A (pt) 1981-04-28
AU6371680A (en) 1981-04-30
DE2943480A1 (de) 1981-05-07
DE3062771D1 (en) 1983-05-19
JPH0161102B2 (fr) 1989-12-27
ES8106885A1 (es) 1981-09-16
JPS57112363A (en) 1982-07-13

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