DE69114867D1 - Verfahren zur Herstellung aromatischer Urethane. - Google Patents

Verfahren zur Herstellung aromatischer Urethane.

Info

Publication number
DE69114867D1
DE69114867D1 DE69114867T DE69114867T DE69114867D1 DE 69114867 D1 DE69114867 D1 DE 69114867D1 DE 69114867 T DE69114867 T DE 69114867T DE 69114867 T DE69114867 T DE 69114867T DE 69114867 D1 DE69114867 D1 DE 69114867D1
Authority
DE
Germany
Prior art keywords
production
aromatic urethanes
urethanes
aromatic
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 - Fee Related
Application number
DE69114867T
Other languages
English (en)
Other versions
DE69114867T2 (de
Inventor
Takao Ikariya
Masanori Itagaki
Masatsugu Mizuguchi
Tetsuo Hachiya
Toshiyuki Hattori
Tomomichi Nakamura
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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
Priority claimed from JP90309372A external-priority patent/JPH0418064A/ja
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Publication of DE69114867D1 publication Critical patent/DE69114867D1/de
Application granted granted Critical
Publication of DE69114867T2 publication Critical patent/DE69114867T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
DE1991614867 1990-01-12 1991-01-09 Verfahren zur Herstellung aromatischer Urethane. Expired - Fee Related DE69114867T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP563590 1990-01-12
JP9844390 1990-04-13
JP90309372A JPH0418064A (ja) 1990-01-12 1990-11-15 芳香族ウレタンの製造方法

Publications (2)

Publication Number Publication Date
DE69114867D1 true DE69114867D1 (de) 1996-01-11
DE69114867T2 DE69114867T2 (de) 1996-08-14

Family

ID=27276833

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991614867 Expired - Fee Related DE69114867T2 (de) 1990-01-12 1991-01-09 Verfahren zur Herstellung aromatischer Urethane.

Country Status (3)

Country Link
EP (1) EP0437258B1 (de)
CA (1) CA2033634A1 (de)
DE (1) DE69114867T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2438287A (en) 2006-05-19 2007-11-21 Norbrook Lab Ltd Stable aqueous suspension
CN100336804C (zh) * 2006-05-24 2007-09-12 浙江大学 N，n’－二(间甲苯基)脲的水相高压制备方法
JP5499022B2 (ja) 2009-03-26 2014-05-21 三井化学株式会社 ウレタン化合物の製造方法およびイソシアネートの製造方法
CN101891653A (zh) * 2009-05-19 2010-11-24 李其奎 一种对称的n,n′-二取代脲的清洁生产方法
US8658819B2 (en) 2009-08-21 2014-02-25 Asahi Kasei Chemicals Corporation N-substituted carbamic acid ester production method, isocyanate production method using such N-substituted carbamic acid ester, and composition for transfer and storage of N-substituted carbamic acid ester comprising N-substituted carbamic acid ester and aromatic hydroxy compound
CN102001969B (zh) * 2009-09-02 2013-04-24 中国石油天然气股份有限公司 一种用氮气移出二苯基脲反应系统中氨气的方法
CN102190602B (zh) * 2010-03-10 2013-07-03 中国石油天然气股份有限公司 一种制备苯氨基甲酸酯连续反应的方法和设备
JP5518605B2 (ja) * 2010-07-07 2014-06-11 三井化学株式会社 トルエンジカルバメートの製造方法、トルエンジイソシアネートの製造方法、および、トルエンジカルバメート
KR101507251B1 (ko) 2011-02-21 2015-03-30 아사히 가세이 케미칼즈 가부시키가이샤 카르보닐 화합물의 제조 방법
CN103172541A (zh) * 2011-12-23 2013-06-26 中国科学院兰州化学物理研究所 一种苯氨基甲酸酯的清洁合成方法
CN102659635B (zh) * 2012-04-17 2015-09-02 河北工业大学 一种制备甲苯二氨基甲酸丁酯的方法
CN103113263B (zh) * 2012-12-11 2014-07-02 中国科学院过程工程研究所 一种尿素耦合法制备苯氨基甲酸酯过程中苯胺循环回用的方法
JP6661305B2 (ja) * 2014-09-22 2020-03-11 ダウ グローバル テクノロジーズ エルエルシー 一価金属含有触媒、ポリオールおよび尿素化合物のカルバミル化組成物、ならびにこれを使用したカルバミル化プロセス
CN106397271A (zh) * 2016-08-31 2017-02-15 中国科学院兰州化学物理研究所 一种以尿素为羰源合成氮取代二氨基甲酸酯的方法

Family Cites Families (5)

* 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
US4398036A (en) * 1980-05-02 1983-08-09 Atlantic Richfield Company Preparation of N-monosubstituted carbamates
DD158900A1 (de) * 1981-05-18 1983-02-09 Gerhard Rieck Verfahren zur herstellung von niederen n-arylcarbamidsaeureestern

Also Published As

Publication number Publication date
CA2033634A1 (en) 1991-07-13
EP0437258A1 (de) 1991-07-17
EP0437258B1 (de) 1995-11-29
DE69114867T2 (de) 1996-08-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee