ES2052941T3 - Nuevo procedimiento de preparacion del isocianato de acilo. - Google Patents
Nuevo procedimiento de preparacion del isocianato de acilo.Info
- Publication number
- ES2052941T3 ES2052941T3 ES89400711T ES89400711T ES2052941T3 ES 2052941 T3 ES2052941 T3 ES 2052941T3 ES 89400711 T ES89400711 T ES 89400711T ES 89400711 T ES89400711 T ES 89400711T ES 2052941 T3 ES2052941 T3 ES 2052941T3
- Authority
- ES
- Spain
- Prior art keywords
- acil
- preparation
- radical
- isocyanate
- isocyanates
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
- C07C265/16—Derivatives of isocyanic acid having isocyanate groups acylated
-
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
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)
- Furan Compounds (AREA)
- Pyridine Compounds (AREA)
Abstract
LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE PREPARACION DE ISOCIANATOS DE ACILO DE FORMULA R - C - NCO SIENDO C = O EN LA QUE R ES UN RADICAL ALQUILO, UN RADICAL NAFTILO O FENILO SUSTITUIDO O NO O UN RADICAL HETEROCICLICO AROMATICO SUSTITUIDO O NO, QUE CONSISTE EN HACER REACCIONAR UN HALOGENURO DE ACILO DE FORMULA R - C - X SIENDO C = O EN LA QUE R TIENE LA SIGNIFICACION ANTERIOR Y X REPRESENTA UN ATOMO DE FLUOR, CLORO O BROMO, CON UN CIANATO DE SODIO O DE POTASIO EN PRESENCIA DE UN COMPUESTO ELEGIDO ENTRE LOS HALOGENUROS DE ESTAÑO IV, DE ZINC O DE NIQUEL II. LOS ISOCIANATOS DE ACILO ASI PREPARADOS DON MUY UTILES PARA FORMAR UREAS O CARBAMATOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8803915A FR2629080B1 (fr) | 1988-03-25 | 1988-03-25 | Procede de preparation d'isocyanates d'acyle |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2052941T3 true ES2052941T3 (es) | 1994-07-16 |
Family
ID=9364633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89400711T Expired - Lifetime ES2052941T3 (es) | 1988-03-25 | 1989-03-15 | Nuevo procedimiento de preparacion del isocianato de acilo. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4970319A (es) |
EP (1) | EP0334720B1 (es) |
JP (1) | JP2750144B2 (es) |
CA (1) | CA1339804C (es) |
DE (1) | DE68903517T2 (es) |
ES (1) | ES2052941T3 (es) |
FR (1) | FR2629080B1 (es) |
IL (1) | IL89626A0 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2694933B1 (fr) * | 1992-08-18 | 1994-10-07 | Poudres & Explosifs Ste Nale | Procédé de préparation d'isocyanates d'acyle. |
DE4311722C1 (de) * | 1993-04-08 | 1994-04-07 | Basf Ag | Verfahren zur Herstellung von Halogenmethyl-benzoylcyaniden und neue Halogenmethyl-benzoylcyanide |
JPH08176091A (ja) * | 1994-12-21 | 1996-07-09 | Nippon Paint Co Ltd | アシルイソシアネート類の製造方法 |
CN111004150B (zh) * | 2019-12-18 | 2021-11-16 | 大连奇凯医药科技有限公司 | 一种取代苯甲酰异氰酸酯的合成方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE275215C (es) * | ||||
US3155700A (en) * | 1964-03-05 | 1964-11-03 | Grace W R & Co | Preparation of acyl isocyanates |
US3450747A (en) * | 1965-05-07 | 1969-06-17 | Monsanto Co | Preparation of aroyl isocyanates and aryl isocyanatoformates |
US3850985A (en) * | 1969-09-19 | 1974-11-26 | Bayer Ag | Process for the production of acylisocyanates |
US4529819A (en) * | 1982-08-02 | 1985-07-16 | The Dow Chemical Company | Method for making benzoylphenylureas |
US4529919A (en) * | 1983-01-05 | 1985-07-16 | Towmotor Corporation | Plugging and plugging override control apparatus |
-
1988
- 1988-03-25 FR FR8803915A patent/FR2629080B1/fr not_active Expired - Lifetime
-
1989
- 1989-03-15 DE DE8989400711T patent/DE68903517T2/de not_active Expired - Fee Related
- 1989-03-15 EP EP89400711A patent/EP0334720B1/fr not_active Expired - Lifetime
- 1989-03-15 ES ES89400711T patent/ES2052941T3/es not_active Expired - Lifetime
- 1989-03-15 IL IL89626A patent/IL89626A0/xx not_active IP Right Cessation
- 1989-03-23 US US07/327,529 patent/US4970319A/en not_active Expired - Fee Related
- 1989-03-23 CA CA000594547A patent/CA1339804C/en not_active Expired - Fee Related
- 1989-03-24 JP JP1070790A patent/JP2750144B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2629080B1 (fr) | 1990-11-16 |
EP0334720B1 (fr) | 1992-11-19 |
EP0334720A1 (fr) | 1989-09-27 |
US4970319A (en) | 1990-11-13 |
IL89626A0 (en) | 1989-09-10 |
DE68903517D1 (de) | 1992-12-24 |
DE68903517T2 (de) | 1993-05-13 |
JPH024758A (ja) | 1990-01-09 |
JP2750144B2 (ja) | 1998-05-13 |
CA1339804C (en) | 1998-04-07 |
FR2629080A1 (fr) | 1989-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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