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

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/en

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
WO1991014725A1 (en) *	1990-03-19	1991-10-03	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
EP1093452A1 (en) *	1998-03-17	2001-04-25	Huntsman International 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
US8921598B2 (en)	2008-03-18	2014-12-30	Basf Se	Method for producing urethanes composed of mono and di-functional aromatic amines
KR20110003470A (en)	2008-03-18	2011-01-12	바스프 에스이	Metal Carbamate Prepared from Diaminophenylmethane
US8481777B2 (en)	2008-03-18	2013-07-09	Basf Se	Metal carbamates formed from tolylenediamines
CN102026964B (en)	2008-05-15	2013-12-25	旭化成化学株式会社	Method for producing isocyanate using diaryl carbonate
RU2483058C2 (en) *	2008-05-15	2013-05-27	Асахи Касеи Кемикалз Корпорейшн	Method of producing isocyanate
ES2331505B2 (en) *	2008-07-04	2010-09-20	Universidad Politecnica De Valencia	CARBAMATE PREPARATION WITH SOLID CATALYSTS.
KR20110055596A (en) *	2008-08-22	2011-05-25	바스프 에스이	Process for preparing urethane consisting of difunctional aromatic amine and dialkyl carbonate
US8871965B2 (en)	2009-10-21	2014-10-28	Basf Se	Method for producing urethanes
JP2014510714A (en) *	2011-01-18	2014-05-01	グラクソグループリミテッド	Method for producing retigabine
WO2014092161A1 (en) *	2012-12-14	2014-06-19	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

1980
- 1980-09-19 DE DE19803035354 patent/DE3035354A1/en not_active Withdrawn
1981
- 1981-09-04 CA CA000385293A patent/CA1166649A/en not_active Expired
- 1981-09-07 DE DE8181107012T patent/DE3161792D1/en not_active Expired
- 1981-09-07 EP EP81107012A patent/EP0048371B1/en not_active Expired
- 1981-09-15 AU AU75235/81A patent/AU7523581A/en not_active Abandoned
- 1981-09-17 JP JP56145630A patent/JPS5782361A/en active Pending
- 1981-09-18 ZA ZA816484A patent/ZA816484B/en unknown
- 1981-09-18 BR BR8105975A patent/BR8105975A/en unknown
- 1981-09-18 ES ES505616A patent/ES8206452A1/en not_active Expired

Also Published As

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

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