IT1246918B - Processo per la preparazione di 2-(2'h-benzotriazol-2'-il) fenoli - Google Patents
Processo per la preparazione di 2-(2'h-benzotriazol-2'-il) fenoliInfo
- Publication number
- IT1246918B IT1246918B ITMI910917A ITMI910917A IT1246918B IT 1246918 B IT1246918 B IT 1246918B IT MI910917 A ITMI910917 A IT MI910917A IT MI910917 A ITMI910917 A IT MI910917A IT 1246918 B IT1246918 B IT 1246918B
- Authority
- IT
- Italy
- Prior art keywords
- preparation
- benzotriazol
- phenols
- image
- formula
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 150000002989 phenols Chemical class 0.000 title 1
- DSZOTMKIKJOOPG-UHFFFAOYSA-N (2-nitrophenyl)-phenyldiazene Chemical compound [O-][N+](=O)C1=CC=CC=C1N=NC1=CC=CC=C1 DSZOTMKIKJOOPG-UHFFFAOYSA-N 0.000 abstract 1
- ZCILGMFPJBRCNO-UHFFFAOYSA-N 4-phenyl-2H-benzotriazol-5-ol Chemical class OC1=CC=C2NN=NC2=C1C1=CC=CC=C1 ZCILGMFPJBRCNO-UHFFFAOYSA-N 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 150000003512 tertiary amines Chemical class 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Processo per la preparazione di idrossifenilbenzotriazoli di formula generale (I) (FORMULA I) in cui R1, R2, R3 sono idrogeno o cloro o radicali alchilici eventualmente sostituiti, per reazione del corrispondente o-nitroazobenzene di formula (II) (FORMULA II) con ossido di carbonio, in presenza di una ammina terziaria, ad una temperatura tra 100 e 400°C ed una pressione di CO tra 10 e 300 kg/cm².
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI910917A IT1246918B (it) | 1991-04-03 | 1991-04-03 | Processo per la preparazione di 2-(2'h-benzotriazol-2'-il) fenoli |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI910917A IT1246918B (it) | 1991-04-03 | 1991-04-03 | Processo per la preparazione di 2-(2'h-benzotriazol-2'-il) fenoli |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ITMI910917A0 ITMI910917A0 (it) | 1991-04-03 |
| ITMI910917A1 ITMI910917A1 (it) | 1992-10-03 |
| IT1246918B true IT1246918B (it) | 1994-11-29 |
Family
ID=11359416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ITMI910917A IT1246918B (it) | 1991-04-03 | 1991-04-03 | Processo per la preparazione di 2-(2'h-benzotriazol-2'-il) fenoli |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1246918B (it) |
-
1991
- 1991-04-03 IT ITMI910917A patent/IT1246918B/it active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI910917A1 (it) | 1992-10-03 |
| ITMI910917A0 (it) | 1991-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted | ||
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970429 |