BR9902461A - Processo para preparar compostos de carbamato substancialmente isentos de subprodutos, e, compostos de carbamato. - Google Patents
Processo para preparar compostos de carbamato substancialmente isentos de subprodutos, e, compostos de carbamato.Info
- Publication number
- BR9902461A BR9902461A BR9902461-6A BR9902461A BR9902461A BR 9902461 A BR9902461 A BR 9902461A BR 9902461 A BR9902461 A BR 9902461A BR 9902461 A BR9902461 A BR 9902461A
- Authority
- BR
- Brazil
- Prior art keywords
- carbamate compounds
- products
- substantially free
- preparing
- carbamate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
-
- 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
- C07C269/02—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 isocyanates with formation of carbamate groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
"PROCESSO PARA PREPARAR COMPOSTOS DE CARBAMATO SUBSTANCIALMENTE ISENTOS DE SUBPRODUTOS, E, COMPOSTO DE CARBAMATO". Esta divulgação é um método para a preparação de compostos de carbamatos substancialmente isentos de subprodutos; sendo os compostos de carbamatos preparados pela reação de um isocianato com um composto hidroxilado na presença de certos catalisadores que aumente a velocidade da carbamilação ao mesmo tempo que diminui a velocidade de formação de subprodutos.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9058198P | 1998-06-25 | 1998-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9902461A true BR9902461A (pt) | 2000-01-11 |
Family
ID=22223417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9902461-6A BR9902461A (pt) | 1998-06-25 | 1999-06-23 | Processo para preparar compostos de carbamato substancialmente isentos de subprodutos, e, compostos de carbamato. |
Country Status (6)
Country | Link |
---|---|
US (1) | US6133473A (pt) |
EP (1) | EP0967199A1 (pt) |
JP (1) | JP2000034268A (pt) |
KR (1) | KR20000006113A (pt) |
CN (1) | CN1140505C (pt) |
BR (1) | BR9902461A (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2815274B1 (fr) * | 2000-10-13 | 2002-12-20 | Rhodia Chimie Sa | Utilisations de derives de l'etain comme catalyseurs de transcarbamatation, compostions de carbamate comportant ledit catalyseur et procedes de transcarbamatation |
CN100369671C (zh) * | 2005-12-01 | 2008-02-20 | 中国科学院山西煤炭化学研究所 | 环己烷丁酸锌用于制备n-取代氨基甲酸酯的方法 |
KR100917809B1 (ko) * | 2006-05-22 | 2009-09-18 | 에스케이케미칼주식회사 | 우수한 저장안정성을 갖는 도세탁셀 함유 주사제 조성물 |
CN101518729B (zh) * | 2008-02-26 | 2013-04-24 | 拜耳材料科技(中国)有限公司 | 用于氨基甲酸烷基酯合成的催化剂及其制备方法和用途 |
US8058469B2 (en) * | 2008-11-03 | 2011-11-15 | Sabic Innovative Plastics Ip B.V. | Method for making carbamates, ureas and isocyanates |
WO2012050101A1 (ja) * | 2010-10-13 | 2012-04-19 | 日本合成化学工業株式会社 | ウレタン化合物の製造方法およびそれにより得られるウレタン化合物 |
JP6195409B2 (ja) * | 2013-11-01 | 2017-09-13 | 昭和電工株式会社 | 不飽和ウレタン化合物、不飽和チオウレタン化合物、不飽和ウレア化合物または不飽和アミド化合物の製造方法 |
CN108314763B (zh) * | 2017-01-17 | 2020-03-10 | 中国科学院化学研究所 | 一种基于肟的动态可修复聚氨酯及其制备方法 |
JP7498478B2 (ja) | 2019-05-17 | 2024-06-12 | Kjケミカルズ株式会社 | 不飽和ウレタン化合物の製造方法 |
CN111302880B (zh) * | 2020-03-12 | 2022-09-13 | 川北医学院 | 铁催化剂在还原偶联反应中的应用和芳环及杂环衍生物的制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3631155A (en) * | 1961-01-19 | 1971-12-28 | Du Pont | Poly 1 2 - bis(difluoroamino)ethyl urethanes and their preparation |
DE2825569A1 (de) * | 1978-06-10 | 1979-12-20 | Basf Ag | Verfahren zur herstellung von lichtbestaendigen polyurethan-integralschaumstoffen |
DE3062377D1 (en) * | 1979-01-22 | 1983-04-28 | Ici Plc | Process for the preparation of iodoalkynyl carbamates |
DE3035146A1 (de) * | 1980-09-18 | 1982-04-22 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von n- und o-substituierten mono- oder bis-urethanen, sowie deren verwendung als ausgangsmaterial zur herstellung von aliphatischen isocyanaten |
JPS61130282A (ja) * | 1984-11-29 | 1986-06-18 | Mitsubishi Chem Ind Ltd | ベンゾフラニルカ−バメ−トの製造法 |
GB9021524D0 (en) * | 1990-10-03 | 1990-11-14 | Ici Plc | Isocyanate reactive blends and internal mould release compositions |
IT1282022B1 (it) * | 1995-07-06 | 1998-03-06 | Mini Ricerca Scient Tecnolog | Procedimento per la produzione di carbammati aromatici |
NL1003263C2 (nl) * | 1996-06-04 | 1997-12-10 | Dsm Nv | Katalysator voor de reactie tussen een verbinding die met isocyanaat- groepen kan reageren en een verbinding die twee of meer isocyanaat- groepen met verschillende reaktiviteiten bevat. |
CA2212269A1 (en) * | 1996-08-14 | 1998-02-14 | Adam Chi-Tung Hsu | Dihaloformaldoxime carbamates as antimicrobial agents |
-
1999
- 1999-04-29 US US09/302,199 patent/US6133473A/en not_active Expired - Fee Related
- 1999-06-08 EP EP99304443A patent/EP0967199A1/en not_active Withdrawn
- 1999-06-11 KR KR1019990021747A patent/KR20000006113A/ko not_active Application Discontinuation
- 1999-06-23 BR BR9902461-6A patent/BR9902461A/pt not_active IP Right Cessation
- 1999-06-23 CN CNB991088751A patent/CN1140505C/zh not_active Expired - Fee Related
- 1999-06-24 JP JP11178451A patent/JP2000034268A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US6133473A (en) | 2000-10-17 |
CN1290692A (zh) | 2001-04-11 |
JP2000034268A (ja) | 2000-02-02 |
KR20000006113A (ko) | 2000-01-25 |
CN1140505C (zh) | 2004-03-03 |
EP0967199A1 (en) | 1999-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law | ||
B11N | Dismissal: publication cancelled [chapter 11.14 patent gazette] | ||
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 7A, 8A E 9A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1962 DE 12/08/2008. |