DE3880640T2 - Verfahren zur herstellung aliphatischer o-arylurethane. - Google Patents

Verfahren zur herstellung aliphatischer o-arylurethane.

Info

Publication number
DE3880640T2
DE3880640T2 DE8888311586T DE3880640T DE3880640T2 DE 3880640 T2 DE3880640 T2 DE 3880640T2 DE 8888311586 T DE8888311586 T DE 8888311586T DE 3880640 T DE3880640 T DE 3880640T DE 3880640 T2 DE3880640 T2 DE 3880640T2
Authority
DE
Germany
Prior art keywords
arylurethanes
producing aliphatic
aliphatic
producing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8888311586T
Other languages
English (en)
Other versions
DE3880640D1 (de
Inventor
Toshiya Aoki
Hiroshi Ishida
Shinsuke Fukuoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of DE3880640D1 publication Critical patent/DE3880640D1/de
Application granted granted Critical
Publication of DE3880640T2 publication Critical patent/DE3880640T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE8888311586T 1987-12-08 1988-12-07 Verfahren zur herstellung aliphatischer o-arylurethane. Expired - Lifetime DE3880640T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30874487 1987-12-08

Publications (2)

Publication Number Publication Date
DE3880640D1 DE3880640D1 (de) 1993-06-03
DE3880640T2 true DE3880640T2 (de) 1993-08-19

Family

ID=17984763

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888311586T Expired - Lifetime DE3880640T2 (de) 1987-12-08 1988-12-07 Verfahren zur herstellung aliphatischer o-arylurethane.

Country Status (4)

Country Link
US (1) US4925971A (de)
EP (1) EP0320235B1 (de)
CA (1) CA1318324C (de)
DE (1) DE3880640T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8904064D0 (sv) * 1989-12-01 1989-12-01 Astra Ab Improved method of preparing an intermediate for the manufacture of bambuterol
US5072020A (en) * 1990-03-21 1991-12-10 Texaco Chemical Company Aliphatic polyamines from polynitro compounds
KR101002385B1 (ko) * 2006-11-17 2010-12-20 아사히 가세이 케미칼즈 가부시키가이샤 이소시아네이트의 제조 방법
TW200844080A (en) 2007-01-11 2008-11-16 Asahi Kasei Chemicals Corp Process for producing isocyanate
JP4958971B2 (ja) 2007-03-30 2012-06-20 旭化成ケミカルズ株式会社 カルバミン酸エステルおよび芳香族ヒドロキシ化合物を含む組成物を用いるイソシアネートの製造方法、ならびにカルバミン酸エステル移送用および貯蔵用組成物
KR101363232B1 (ko) * 2008-05-15 2014-02-12 아사히 가세이 케미칼즈 가부시키가이샤 탄산디아릴을 이용하는 이소시아네이트의 제조 방법
CA2721359C (en) 2008-05-15 2014-05-06 Asahi Kasei Chemicals Corporation Isocyanate production process
ES2623463T3 (es) * 2009-08-21 2017-07-11 Asahi Kasei Kabushiki Kaisha Procedimiento para producir un éster del ácido carbámico N sustituido, procedimiento para producir isocianato utilizando éster del ácido carbámico N sustituido y composición para transferir y almacenar éster del ácido carbámico N sustituido que contiene un éster del ácido carbámico N sustituido y compuesto hidroxilado aromático
CN103097348B (zh) * 2011-02-21 2015-10-14 旭化成化学株式会社 羰基化合物的制造方法
EP3459931A1 (de) 2017-09-26 2019-03-27 Covestro Deutschland AG Mehrschrittverfahren zur herstellung von diisocyanaten
EP3459930A1 (de) 2017-09-26 2019-03-27 Covestro Deutschland AG Mehrstufiges verfahren zur herstellung von hexamethylendiisocyanat, pentamethylendiisocyanat oder toluoldiisocyanat

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
US2677698A (en) * 1950-08-01 1954-05-04 Spencer Chem Co Preparation of nu-monosubstituted carbamic acid esters
US2806051A (en) * 1955-11-01 1957-09-10 Goodrich Co B F Method for preparing urethanes by reacting urea, amines and an alcohol
BE792313A (fr) * 1971-12-06 1973-03-30 Quimco Gmbh Procede de preparation de carbamates mono substitues sur l'atome d'azote et produits obtenus
DE2917493A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
DE2943481A1 (de) * 1979-10-27 1981-05-07 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von urethanen und ihre verwendung zur herstellung von isocyanaten
US4336402A (en) * 1980-07-30 1982-06-22 Atlantic Richfield Company Process for the preparation of N-alkyl-monosubstituted carbamic acid esters

Also Published As

Publication number Publication date
EP0320235B1 (de) 1993-04-28
DE3880640D1 (de) 1993-06-03
CA1318324C (en) 1993-05-25
EP0320235A2 (de) 1989-06-14
EP0320235A3 (en) 1990-11-28
US4925971A (en) 1990-05-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition