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)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Saccharide Compounds (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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0027952B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57112363A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE3032T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU538538B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8006850A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1148969A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE2943480A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES8106885A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA806550B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
DE2917493A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
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
JP3739282B2 (ja) 1998-09-04 2006-01-25 旭化成ケミカルズ株式会社 新規発色剤および記録材料
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
ATE512130T1 (de) 2006-01-13 2011-06-15 Basf Se Verfahren zur herstellung von isocyanaten
US8044166B2 (en) 2006-08-01 2011-10-25 Basf Aktiengesellschaft Process for preparing pentamethylene 1,5-diisocyanate
WO2008025659A1 (de) 2006-08-31 2008-03-06 Basf Se Verfahren zur herstellung von isocyanaten
JP4859255B2 (ja) * 2006-11-17 2012-01-25 旭化成ケミカルズ株式会社 イソシアネートの製造方法
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
BRPI0822695B1 (pt) * 2008-05-15 2017-05-02 Asahi Kasei Chemicals Corp processo para produzir um isocianato
ES2710177T3 (es) * 2008-05-15 2019-04-23 Asahi Chemical Ind Proceso para la producción de isocianato
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
CN103553972B (zh) * 2009-08-21 2017-04-12 旭化成株式会社 N‑取代氨基甲酸酯的制造方法、使用该n‑取代氨基甲酸酯制造异氰酸酯的方法
US8859805B2 (en) 2009-09-22 2014-10-14 Basf Se Process for preparing isocyanates
PL2507206T3 (pl) 2009-12-04 2015-05-29 Basf Se Sposób wytwarzania izocyjanianów
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
WO2012115110A1 (ja) 2011-02-21 2012-08-30 旭化成ケミカルズ株式会社 カルボニル化合物の製造方法
US8871969B2 (en) 2011-05-30 2014-10-28 Basf Se Process for the production of polyisocyanates
WO2012163894A2 (de) 2011-05-30 2012-12-06 Basf Se Verfahren zur herstellung von polyisocyanaten
US8772527B2 (en) 2012-04-27 2014-07-08 Basf Se Process for isomerization of cis-2-pentenenitrile to 3-pentenenitriles
CN112020493B (zh) 2018-05-15 2023-04-21 旭化成株式会社 氨基甲酸酯的制造方法和异氰酸酯的制造方法

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
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

Also Published As

Publication number Publication date
ES496234A0 (es) 1981-09-16
ATE3032T1 (de) 1983-04-15
CA1148969A (en) 1983-06-28
AU6371680A (en) 1981-04-30
EP0027952B1 (de) 1983-04-13
JPS57112363A (en) 1982-07-13
AU538538B2 (en) 1984-08-16
BR8006850A (pt) 1981-04-28
EP0027952A1 (de) 1981-05-06
DE2943480A1 (de) 1981-05-07
DE3062771D1 (en) 1983-05-19
JPH0161102B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-12-27
US4388238A (en) 1983-06-14
ES8106885A1 (es) 1981-09-16

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