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
Authority: ZA; South Africa
Prior art keywords: production; disubstituted urethanes; urethanes; disubstituted
Prior art date: 1980-09-19

Application number

ZA816484A

Other languages

English (en)

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.)

1980-09-19

Filing date

1981-09-18

Publication date

1983-01-26

1981-09-18 Application filed by Bayer Ag filed Critical Bayer Ag

1983-01-26 Publication of ZA816484B publication Critical patent/ZA816484B/xx

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 (de)	1980-09-19	1980-09-19	Verfahren zur herstellung von n,o-disubstituierten urethanen und ihre verwendung als ausgangsmaterial zur herstellung von organischen isocyanaten

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 (xx)
JP (1)	JPS5782361A (xx)
AU (1)	AU7523581A (xx)
BR (1)	BR8105975A (xx)
CA (1)	CA1166649A (xx)
DE (2)	DE3035354A1 (xx)
ES (1)	ES505616A0 (xx)
ZA (1)	ZA816484B (xx)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3327824A1 (de) *	1983-08-02	1985-02-14	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung von n,o-substituierten mono- und/oder polyurethanen
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
WO1991014725A1 (en) *	1990-03-19	1991-10-03	Daicel Chemical Industries, Ltd.	Process for producing polyurethane
JP2645603B2 (ja) *	1990-03-27	1997-08-25	宇部興産株式会社	カルバメートの製造法
DE4113156A1 (de) *	1991-04-23	1993-01-14	Bayer Ag	Verfahren zur herstellung von poly(o-alkylurethanen) der diphenylmethanreihe
DE4121211A1 (de) *	1991-06-27	1993-01-14	Bayer Ag	Verfahren zur herstellung von bis(ethoxycarbonylamino)toluolen und deren verwendung zur herstellung von diisocyanatotoluolen
IT1282023B1 (it) *	1995-07-06	1998-03-06	Mini Ricerca Scient Tecnolog	Procedimento per la produzione di uretani aromatici
DE19541384A1 (de) *	1995-11-07	1997-05-15	Basf Ag	Verfahren zur Herstellung von organischen Diurethanen und/oder Polyurethanen und ihre Verwendung zur Herstellung von Di- und/oder Polyisocyanaten
WO1999047493A1 (en) *	1998-03-17	1999-09-23	Huntsman Ici Chemicals Llc	Method for the preparation of organic carbamates
JP4134455B2 (ja) *	1999-09-14	2008-08-20	日本ゼオン株式会社	カルバメート化合物の製造方法
SG115512A1 (en)	2001-12-28	2005-10-28	Mitsui Takeda Chemicals Inc	Method for producing carbamates and method for producing isocyanates
JP4107845B2 (ja) *	2002-01-24	2008-06-25	三井化学ポリウレタン株式会社	アルキルカルバメートの製造方法
JP4778844B2 (ja) *	2006-06-20	2011-09-21	三井化学株式会社	珪素含有イソシアネート化合物の製造方法
EP2036884A1 (en)	2007-09-14	2009-03-18	Repsol Ypf S.A.	Process for producing fluorinated isocyanates and carbamates
BRPI0909277A2 (pt)	2008-03-18	2015-10-06	Basf Se	carbamato de metal, e, processos para preparar o mesmo e para preparar metileno-difenil-diuretano.
EP2265571B1 (de)	2008-03-18	2015-03-04	Basf Se	Verfahren zur herstellung von urethanen aus mono- und difunktionalen aromatischen aminen
US8481777B2 (en)	2008-03-18	2013-07-09	Basf Se	Metal carbamates formed from tolylenediamines
RU2523201C2 (ru)	2008-05-15	2014-07-20	Асахи Касеи Кемикалз Корпорейшн	Способ получения изоцианатов с использованием диарилкарбоната
US9233918B2 (en)	2008-05-15	2016-01-12	Asahi Kasei Chemicals Corporation	Isocyanate production process
ES2331505B2 (es) *	2008-07-04	2010-09-20	Universidad Politecnica De Valencia	Preparacion de carbamatos con catalizadores solidos.
CN102131770B (zh) *	2008-08-22	2014-08-06	巴斯夫欧洲公司	生产由双官能芳香胺和碳酸二烷基酯构成的氨基甲酸酯的方法
EP2491011A1 (de) *	2009-10-21	2012-08-29	Basf Se	Verfahren zur herstellung von urethanen
SG191309A1 (en) *	2011-01-18	2013-07-31	Glaxo Group Ltd	Process for the preparation of retigabine
CN104837813B (zh) *	2012-12-14	2017-09-22	宇部兴产株式会社	氨基甲酸酯化合物的制造方法

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 (it) *	1976-04-14	1985-02-25	Snam Progetti	Processo per la preparazione di ureiani aromatici

1980
- 1980-09-19 DE DE19803035354 patent/DE3035354A1/de not_active Withdrawn
1981
- 1981-09-04 CA CA000385293A patent/CA1166649A/en not_active Expired
- 1981-09-07 DE DE8181107012T patent/DE3161792D1/de not_active Expired
- 1981-09-07 EP EP81107012A patent/EP0048371B1/de not_active Expired
- 1981-09-15 AU AU75235/81A patent/AU7523581A/en not_active Abandoned
- 1981-09-17 JP JP56145630A patent/JPS5782361A/ja active Pending
- 1981-09-18 ES ES505616A patent/ES505616A0/es active Granted
- 1981-09-18 ZA ZA816484A patent/ZA816484B/xx unknown
- 1981-09-18 BR BR8105975A patent/BR8105975A/pt unknown

Also Published As

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

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