KR890005036B1 - 방향족 우레탄 및 그 중간생성물의 제조방법 - Google Patents
방향족 우레탄 및 그 중간생성물의 제조방법 Download PDFInfo
- Publication number
- KR890005036B1 KR890005036B1 KR1019860007290A KR860007290A KR890005036B1 KR 890005036 B1 KR890005036 B1 KR 890005036B1 KR 1019860007290 A KR1019860007290 A KR 1019860007290A KR 860007290 A KR860007290 A KR 860007290A KR 890005036 B1 KR890005036 B1 KR 890005036B1
- Authority
- KR
- South Korea
- Prior art keywords
- aromatic
- reaction
- general formula
- catalyst
- yield
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1809—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety
-
- 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
- C07C269/08—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/40—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/189—Purification, separation, stabilisation, use of additives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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)
Abstract
Description
Claims (5)
- 촉매에 존재하에 일반식(III)의 방향족제1아민, 일반식(Ⅳ)의 방향족 모노니트로 화합물 및 일반식(V)의 일산화탄소를 반응시켜서 일반식(II)의 N,N'-디치환우레아를 생성시킨후, 생성한 일반식 (II)의 N,N'-디치환우레아를 반응액에서 분리, 회수하는 생성공정; 회수한 일반식(II)의 N,N'-디치환 우레아를 일반식(VI)의 수산기를 함유한 유기화합물과 반응시켜서 일반식(III)의 방향족 제1아민과 일반식(I)의 방향족 우레탄을 생성시킨후, 일반식(III)의 방향족 제1아민을 분리하여 일반식(I)의 방향족우레탄을 수득하는 공정; 및 분리한 일반식(III)의 방향족 제1아민을 우레아 생성공정에 순환시키는 공정을 포함하는 방향족 우레탄의 제조방법.상기식중, Ar은 페닐기를 나타내고, R은 메틸 또는에틸기와같은 알킬기를 나타낸다.
- 제1항에 있어서, 일반식(II)의 N,N'-디치환우레아의 일반식(VI)의 수산기를 함유한 유기화합물과 반응시킬때, 촉매를 사용하지않는 방향족우레탄의 제조방법.
- 제1항에 있어서, 일반식(III)의 방향족 제1아민인 아닐린을 실질적으로 용매로 사용할수있도록 과잉량 첨가하는 방향족 우레탄의 제조방법.
- 제1항에 있어서, 촉매가 Ru3(CO)12, Ru(CO)3(PPh3)2, Ru(acac)3, Rh6(CO)16및 Rh4(CO)12로 이루어진 그룹에서 선택되는 방향족 우레탄의 제조방법.
- 제1항에 있어서, 일반식(VI)의 수산기를 함유한 유기화합물이 메탄올 또는 에탄올인 방향족 우레탄의 제조방법.
Applications Claiming Priority (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP85-195306 | 1985-09-04 | ||
| JP85-195307 | 1985-09-04 | ||
| JP195306 | 1985-09-04 | ||
| JP60195308A JPS6259252A (ja) | 1985-09-04 | 1985-09-04 | 芳香族ウレタンの製造方法 |
| JP60195306A JPS6259251A (ja) | 1985-09-04 | 1985-09-04 | 芳香族ウレタンの製造方法 |
| JP195308 | 1985-09-04 | ||
| JP85-195308 | 1985-09-04 | ||
| JP60195307A JPS6259253A (ja) | 1985-09-04 | 1985-09-04 | 尿素類の製造方法 |
| JP195307 | 1985-09-04 | ||
| JP60250499A JPH0667891B2 (ja) | 1985-11-08 | 1985-11-08 | 芳香族ウレタンの製造方法 |
| JP250499 | 1985-11-08 | ||
| JP60250497A JPS62111960A (ja) | 1985-11-08 | 1985-11-08 | 尿素類の製造方法 |
| JP85-250497 | 1985-11-08 | ||
| JP250497 | 1985-11-08 | ||
| JP85-250499 | 1985-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870003062A KR870003062A (ko) | 1987-04-14 |
| KR890005036B1 true KR890005036B1 (ko) | 1989-12-08 |
Family
ID=27529122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860007290A Expired KR890005036B1 (ko) | 1985-09-04 | 1986-09-01 | 방향족 우레탄 및 그 중간생성물의 제조방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US4678856A (ko) |
| EP (1) | EP0217166B1 (ko) |
| KR (1) | KR890005036B1 (ko) |
| CA (1) | CA1251221A (ko) |
| DE (1) | DE3683232D1 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR890005036B1 (ko) * | 1985-09-04 | 1989-12-08 | 니홍 고강 가부시기가이샤 | 방향족 우레탄 및 그 중간생성물의 제조방법 |
| EP0310907A1 (en) * | 1987-10-09 | 1989-04-12 | Nkk Corporation | Method of manufacturing aromatic urethane |
| US4987233A (en) * | 1988-06-15 | 1991-01-22 | Eli Lilly And Company | Process for preparing herbicidal ureas and insecticidal carbamates and carbamate derivatives |
| US5130464A (en) * | 1989-05-31 | 1992-07-14 | Nkk Corporation | Method of manufacturing aromatic urethanes |
| KR960009117B1 (en) * | 1991-06-24 | 1996-07-13 | Lg Chemical Ltd | Process for the preparation of symmetric form n,n'-substitute aromatic urea |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2409712A (en) * | 1944-02-03 | 1946-10-22 | Du Pont | Chemical process and products |
| US2871259A (en) * | 1956-12-10 | 1959-01-27 | Trubek Lab East Rutherford | Method of producing carbamate esters |
| US4052420A (en) * | 1975-09-22 | 1977-10-04 | Ethyl Corporation | Process for producing diurethane from dinitro compounds, hydroxyl compounds and carbon monoxide |
| US4178455A (en) * | 1977-07-25 | 1979-12-11 | Mitsui Toatsu Chemicals, Incorporated | Process for preparing aromatic urethanes |
| DE3122013A1 (de) * | 1981-06-03 | 1982-12-30 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von n-monosubstituierten o-alkylurethanen |
| US4491670A (en) * | 1983-01-27 | 1985-01-01 | Indian Explosives Ltd. | Catalytic process for the direct carbonylation of organic nitro compounds |
| US4600793A (en) * | 1983-09-16 | 1986-07-15 | Catalytica Associates | Process for the preparation of urethanes |
| EP0157828B1 (en) * | 1983-09-16 | 1994-01-12 | Catalytica Associates | Process for the preparation of urethanes |
| US4603216A (en) * | 1983-09-16 | 1986-07-29 | Catalytica Associates | Process for the preparation of urethanes |
| KR890005036B1 (ko) * | 1985-09-04 | 1989-12-08 | 니홍 고강 가부시기가이샤 | 방향족 우레탄 및 그 중간생성물의 제조방법 |
-
1986
- 1986-09-01 KR KR1019860007290A patent/KR890005036B1/ko not_active Expired
- 1986-09-02 US US06/902,527 patent/US4678856A/en not_active Ceased
- 1986-09-03 CA CA000517404A patent/CA1251221A/en not_active Expired
- 1986-09-03 EP EP86112169A patent/EP0217166B1/en not_active Expired - Lifetime
- 1986-09-03 DE DE8686112169T patent/DE3683232D1/de not_active Expired - Lifetime
-
1989
- 1989-10-12 US US07/420,364 patent/USRE34137E/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR870003062A (ko) | 1987-04-14 |
| USRE34137E (en) | 1992-12-01 |
| CA1251221A (en) | 1989-03-14 |
| EP0217166A1 (en) | 1987-04-08 |
| US4678856A (en) | 1987-07-07 |
| DE3683232D1 (de) | 1992-02-13 |
| EP0217166B1 (en) | 1992-01-02 |
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| US4080365A (en) | Process for preparing aromatic urethanes | |
| KR890005036B1 (ko) | 방향족 우레탄 및 그 중간생성물의 제조방법 | |
| KR910009327B1 (ko) | 방향족 우레탄 및 그 중간 생성물인 요소류의 제조방법 | |
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| P13-X000 | Application amended |
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