ZA816484B - A process for the production of n,o-disubstituted urethanes - Google Patents

A process for the production of n,o-disubstituted urethanes

Info

Publication number
ZA816484B
ZA816484B ZA816484A ZA816484A ZA816484B ZA 816484 B ZA816484 B ZA 816484B ZA 816484 A ZA816484 A ZA 816484A ZA 816484 A ZA816484 A ZA 816484A ZA 816484 B ZA816484 B ZA 816484B
Authority
ZA
South Africa
Prior art keywords
production
disubstituted urethanes
urethanes
disubstituted
Prior art date
Application number
ZA816484A
Inventor
Hans Josef Buysch
Heinrich Krimm
Wolfgang Richter
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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA816484B publication Critical patent/ZA816484B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/04—Preparation 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

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)
ZA816484A 1980-09-19 1981-09-18 A process for the production of n,o-disubstituted urethanes ZA816484B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803035354 DE3035354A1 (en) 1980-09-19 1980-09-19 METHOD FOR THE PRODUCTION OF N, O-DISUBSTITUTED URETHANES AND THE USE THEREOF AS THE STARTING MATERIAL FOR THE PRODUCTION OF ORGANIC ISOCYANATES

Publications (1)

Publication Number Publication Date
ZA816484B true ZA816484B (en) 1983-01-26

Family

ID=6112355

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA816484A ZA816484B (en) 1980-09-19 1981-09-18 A process for the production of n,o-disubstituted urethanes

Country Status (8)

Country Link
EP (1) EP0048371B1 (en)
JP (1) JPS5782361A (en)
AU (1) AU7523581A (en)
BR (1) BR8105975A (en)
CA (1) CA1166649A (en)
DE (2) DE3035354A1 (en)
ES (1) ES8206452A1 (en)
ZA (1) ZA816484B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327824A1 (en) * 1983-08-02 1985-02-14 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING N, O-SUBSTITUTED MONO- AND / OR POLYURETHANES
US4550188A (en) * 1984-06-27 1985-10-29 The Dow Chemical Company Preparation of carbamates
GB8714873D0 (en) * 1987-06-25 1987-07-29 Bp Chemicals Additives Additives
US5138015A (en) * 1990-03-19 1992-08-11 Daicel Chemical Industries, Ltd. Process for producing polyurethane
JP2645603B2 (en) * 1990-03-27 1997-08-25 宇部興産株式会社 Carbamate production method
DE4113156A1 (en) * 1991-04-23 1993-01-14 Bayer Ag METHOD FOR PRODUCING POLY (O-ALKYLURETHANES) OF THE DIPHENYLMETHANE SERIES
DE4121211A1 (en) * 1991-06-27 1993-01-14 Bayer Ag METHOD FOR PRODUCING BIS (ETHOXYCARBONYLAMINO) TOLUOLS AND THE USE THEREOF FOR PRODUCING DIISOCYANATOTOLUOLS
IT1282023B1 (en) * 1995-07-06 1998-03-06 Mini Ricerca Scient Tecnolog PROCEDURE FOR THE PRODUCTION OF AROMATIC URETANS
DE19541384A1 (en) * 1995-11-07 1997-05-15 Basf Ag Process for the preparation of organic diurethanes and / or polyurethanes and their use for the preparation of di- and / or polyisocyanates
WO1999047493A1 (en) * 1998-03-17 1999-09-23 Huntsman Ici Chemicals Llc Method for the preparation of organic carbamates
JP4134455B2 (en) * 1999-09-14 2008-08-20 日本ゼオン株式会社 Method for producing carbamate compound
SG115512A1 (en) 2001-12-28 2005-10-28 Mitsui Takeda Chemicals Inc Method for producing carbamates and method for producing isocyanates
JP4107845B2 (en) * 2002-01-24 2008-06-25 三井化学ポリウレタン株式会社 Method for producing alkyl carbamate
JP4778844B2 (en) * 2006-06-20 2011-09-21 三井化学株式会社 Method for producing silicon-containing isocyanate compound
EP2036884A1 (en) 2007-09-14 2009-03-18 Repsol Ypf S.A. Process for producing fluorinated isocyanates and carbamates
PL2265572T3 (en) 2008-03-18 2012-12-31 Basf Se Metal carbamates formed from diaminophenylmethane
WO2009115539A1 (en) 2008-03-18 2009-09-24 Basf Se Metal carbamates composed of tolylenediamines
BRPI0909280A2 (en) 2008-03-18 2015-10-06 Basf Se process for preparing urethanes.
BRPI0822694B1 (en) 2008-05-15 2018-11-27 Asahi Kasei Chemicals Corp process to produce an isocyanate
KR101363232B1 (en) 2008-05-15 2014-02-12 아사히 가세이 케미칼즈 가부시키가이샤 Process for producing isocyanate using diaryl carbonate
ES2331505B2 (en) * 2008-07-04 2010-09-20 Universidad Politecnica De Valencia CARBAMATE PREPARATION WITH SOLID CATALYSTS.
US8729291B2 (en) 2008-08-22 2014-05-20 Basf Se Method for producing urethanes composed of di-functional aromatic amines and dialkyl carbonates
JP5882216B2 (en) 2009-10-21 2016-03-09 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ Urethane production method
US9102593B2 (en) * 2011-01-18 2015-08-11 Glaxo Group Limited Process for the preparation of retigabine
JP6292124B2 (en) * 2012-12-14 2018-03-14 宇部興産株式会社 Method for producing carbamate compound

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734941A (en) * 1968-09-06 1973-05-22 American Cyanamid Co Process for converting urethanes to isocyanates
US3627813A (en) * 1969-02-03 1971-12-14 Upjohn Co A process of preparing carbamates
US3763217A (en) * 1970-12-03 1973-10-02 Halcon International Inc Preparation of carbamates
US3919280A (en) * 1974-07-05 1975-11-11 Atlantic Richfield Co Recovery of solvents employed in the production of isocyanates from esters of carbamic acids
IT1064762B (en) * 1976-04-14 1985-02-25 Snam Progetti PROCESS FOR THE PREPARATION OF AROMATIC UREIANS

Also Published As

Publication number Publication date
EP0048371A3 (en) 1982-04-28
CA1166649A (en) 1984-05-01
JPS5782361A (en) 1982-05-22
ES505616A0 (en) 1982-08-16
AU7523581A (en) 1982-03-25
EP0048371A2 (en) 1982-03-31
BR8105975A (en) 1982-06-08
EP0048371B1 (en) 1983-12-28
DE3035354A1 (en) 1982-04-29
DE3161792D1 (en) 1984-02-02
ES8206452A1 (en) 1982-08-16

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