KR890014462A - 방향족 비스 디알킬 우레아류의 제조방법 - Google Patents
방향족 비스 디알킬 우레아류의 제조방법 Download PDFInfo
- Publication number
- KR890014462A KR890014462A KR1019890002801A KR890002801A KR890014462A KR 890014462 A KR890014462 A KR 890014462A KR 1019890002801 A KR1019890002801 A KR 1019890002801A KR 890002801 A KR890002801 A KR 890002801A KR 890014462 A KR890014462 A KR 890014462A
- Authority
- KR
- South Korea
- Prior art keywords
- toluenediamine
- mixture
- bis
- amine
- inert solvent
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C275/28—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C275/40—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by nitrogen atoms not being part of nitro or nitroso 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
- C07C273/1818—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 from -N=C=O and XNR'R"
- C07C273/1827—X being H
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
내용 없음.
Description
내용없음
Claims (8)
- 불활성 용매가 존재하는 가운데, 약 -30°-약 200℃에서, 일반식 :(여기에서, R은 수소, 1-10개의 탄소 원자를 갖는 알킬기, 할로겐, 에테르기 또는 니트로기 임)을 갖는 방향족 디아민을 이소시안 산과 반응시켜 방향족 디아민의 일반식 :(여기에서, R은 상기한 바와 같음)을 갖는 방향족 비스 우레아로 전환시키고, 불활성 용매나, 약 50℃-200℃에서, 상기 방향족 비스 우레아를, 알킬기 내에 1-8개의 탄소 원자를 갖는 디알킬아민과 반응시키고, 원하는 방향족 비스디알킬 우레아를 회수하는 것을 포함하는, 일반식 :(여기에서, R은 상기한 바와같고, U1과 U2는 같거나 다를 수 있는 것으로서, R'와 R"가 같거나 다를 수 있는 것으로서 1-8개의 탄소 원자를 갖는 알킬 기인 -NHCONR'R" 기임)을 갖는 방향족 비스 디알킬우레아를 제조하는 방법.
- 제1항에 있어서, 방향족 디아민을 이소시안 산과 반응시키는 온도가 약 -10℃-100℃인 방법.
- 제1항에 있어서, 상기 비스 우레아를 디알킬 아민과 반응시키는 온도가 약 90℃-150℃인 방법.
- 제1항 내지 제3항중 어느 한 항에 있어서, 방향족 디아민이 2,4-디아미노톨루엔, 2,6-디아미노톨루엔 및 1,3-페닐렌 디아민 및 이들의 혼합물로 구성된 군으로부터 선택되는 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 불활성 용매가 1,2-디클로로에탄, 디페닐 에테르, 니트로벤젠, 톨루엔, 옥타데칸, 0-디클로로벤젠 및 피리딘으로 구성된 군으로부터 선택되는 방법.
- 제1항 내지 제3항중 어느 한 항에 있어서, 디알킬 아민 반응물이 디메틸 아민, 디에틸 아민, 디부틸 아민, 디이소프로필 아민 및 디시클로헥실 아민으로 구성된 군으로 부터 선택되는 방법.
- 불활성 용매내, 약 -10℃-100℃에서, 2,4- 및 2,6-톨루엔디아민의 혼합물을 이소시안 산과 반응시켜 2,4- 및 2,6-톨루엔디아민 혼합물을 일반식 :을 갖는 각각의 2,4- 및 2,6-톨루엔디아민의 비스 우레아로 전환시킨 다음, 불활성 용매내, 약 90℃-150℃에서 2,4- 및 2,6-톨루엔디아민의 비스 우레아 혼합물을 디메틸 아민과 반응시키고, 2,4- 및 2,6-톨루엔디아민의 원하는 비스(디메틸우레아)혼합물을 회수하는 것을 포함하는, 일반식 :을 갖는 2,4- 및 2,6-톨루엔디아민의 비스(디메틸우레아)를 제조하는 방법.
- 불활성 용매내, 약 -10°-100℃에서, 2,4- 및 2,6-톨루엔디아민 혼합물을 이소시안 산과 반응시켜, 2,4- 및 2,6-톨루엔 디아민 혼합물을 일반식 :을 갖는 각각의 2,4- 및 2,6-톨루엔디아민의 비스 우레아로 전환시킨 다음 불활성 용매내, 약 90℃-150℃에서 2,4- 및 2,6-톨루엔디아민의 비스우레아 혼합물을 디에틸아민과, 반응시키고, 2,4- 및 2,6-톨루엔 디아민의 원하는 비스(디에틸우레아)혼합물을 회수하는 것을 포함하는, 일반식 :을 갖는 2,4- 및 2,6-톨루엔디아민의 비스(디에틸 우레아) 혼합물을 제조하는 방법※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US167922 | 1988-03-14 | ||
US07/167,922 US4996359A (en) | 1988-03-14 | 1988-03-14 | Process for the preparation of aromatic bis dialkyl ureas |
Publications (1)
Publication Number | Publication Date |
---|---|
KR890014462A true KR890014462A (ko) | 1989-10-23 |
Family
ID=22609366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890002801A KR890014462A (ko) | 1988-03-14 | 1989-03-07 | 방향족 비스 디알킬 우레아류의 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4996359A (ko) |
EP (1) | EP0333350A3 (ko) |
JP (1) | JPH024759A (ko) |
KR (1) | KR890014462A (ko) |
CN (1) | CN1037504A (ko) |
AU (1) | AU3119789A (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03173859A (ja) * | 1989-04-06 | 1991-07-29 | Arco Chem Technol Inc | 芳香族アミンからの芳香族モノーおよびポリイソシアネートの製造方法 |
US5248755A (en) * | 1989-07-28 | 1993-09-28 | Chemie Linz Gesellschaft M.B.H. | Process for the preparation of asymmetrically substituted ureas, carbamates or thiocarbamates |
AT396363B (de) * | 1991-01-18 | 1993-08-25 | Chemie Linz Gmbh | Verfahren zur herstellung n-mono- oder n,n-disubstituierter harnstoffe |
ATE115555T1 (de) * | 1989-07-28 | 1994-12-15 | Chemie Linz Gmbh | Verfahren zur herstellung unsymmetrisch substituierter harnstoffe. |
US5220061A (en) * | 1992-02-07 | 1993-06-15 | Arco Chemical Technology, L.P. | Selective process for the preparation of diphenylmethane bis-(dialkyl ureas |
DE19718065A1 (de) * | 1997-04-29 | 1998-11-05 | Henkel Kgaa | Reinigungsmittel für nachvernetzende Polyurethan-Hotmelts |
GB0020489D0 (en) | 2000-08-18 | 2000-10-11 | Univ Leeds | Use of percarbamic acids and precursors therefor |
ES2668555T3 (es) | 2008-05-27 | 2018-05-18 | Dako Denmark A/S | Composiciones y métodos para la detección de aberraciones cromosómicas con tampones de hibridación novedosos |
US9303287B2 (en) | 2009-02-26 | 2016-04-05 | Dako Denmark A/S | Compositions and methods for RNA hybridization applications |
EP2761028A1 (en) | 2011-09-30 | 2014-08-06 | Dako Denmark A/S | Hybridization compositions and methods using formamide |
EP2768974B1 (en) | 2011-10-21 | 2017-07-19 | Dako Denmark A/S | Hybridization compositions and methods |
DE102016205489A1 (de) * | 2016-04-04 | 2017-10-05 | Henkel Ag & Co. Kgaa | Geschirrspülmittel enthaltend Harnstoffderivate |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2253528A (en) * | 1939-06-09 | 1941-08-26 | Sharples Chemicals Inc | Manufacture of derivatives of urea |
US2673877A (en) * | 1951-10-26 | 1954-03-30 | Du Pont | Preparation of chlorphenyldimethyl-ureas |
US2768971A (en) * | 1954-05-26 | 1956-10-30 | Ici Ltd | Preparation of alkyl-aryl-ureas |
US2993044A (en) * | 1958-12-19 | 1961-07-18 | Monsanto Chemicals | Diureides and method for their preparation |
FR1471681A (ko) * | 1965-03-25 | 1967-05-25 | ||
US3386955A (en) * | 1966-01-14 | 1968-06-04 | American Cyanamid Co | Substituted ureas as low temperature epoxy curing agents |
FR1570670A (ko) * | 1968-04-19 | 1969-06-13 | ||
US3823188A (en) * | 1970-10-12 | 1974-07-09 | Stauffer Chemical Co | Bis-meta-phenylene ureas and their utility as herbicides |
US4303780A (en) * | 1980-02-26 | 1981-12-01 | Petrolite Corporation | Ureylenes and uses thereof |
DD228544A1 (de) * | 1984-08-22 | 1985-10-16 | Univ Halle Wittenberg | Verfahren zur herstellung von aromatischen acylisocyanaten |
-
1988
- 1988-03-14 US US07/167,922 patent/US4996359A/en not_active Expired - Fee Related
-
1989
- 1989-02-17 JP JP1038123A patent/JPH024759A/ja active Pending
- 1989-03-02 EP EP19890302110 patent/EP0333350A3/en not_active Ceased
- 1989-03-07 KR KR1019890002801A patent/KR890014462A/ko not_active Application Discontinuation
- 1989-03-08 CN CN89101244A patent/CN1037504A/zh active Pending
- 1989-03-10 AU AU31197/89A patent/AU3119789A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US4996359A (en) | 1991-02-26 |
AU3119789A (en) | 1989-09-14 |
EP0333350A3 (en) | 1990-10-03 |
EP0333350A2 (en) | 1989-09-20 |
JPH024759A (ja) | 1990-01-09 |
CN1037504A (zh) | 1989-11-29 |
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WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |