RO86791B1 - Procedeu de obtinere a 1-naftil-n-metilcarbamatului - Google Patents
Procedeu de obtinere a 1-naftil-n-metilcarbamatuluiInfo
- Publication number
- RO86791B1 RO86791B1 RO111446A RO11144683A RO86791B1 RO 86791 B1 RO86791 B1 RO 86791B1 RO 111446 A RO111446 A RO 111446A RO 11144683 A RO11144683 A RO 11144683A RO 86791 B1 RO86791 B1 RO 86791B1
- Authority
- RO
- Romania
- Prior art keywords
- naphthyl
- naphthol
- degrees
- methylcarbamate
- methylamine
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a 1-naftil-N-metilcarbamatului, prin sinteza în prima faza a intermediarului 1-naftil-cloroformiatului din 1-naftol si fogen în prezenta de amine tertiare ca acceptori de acizi si tratarea acesteia metilamina, si consta în aceea ca, în scopul maririi randamentului de reactie, 1-naftolul se macina la o marime a particulelor sub 1 mm, raportul molar 1-naftol, fosgen si amina tertiara fiind cuprins între 1:1:1 si 1:1,2:1,2 în prezenta unui amestec constituit din : toluen, xilen sau clorbenzen cu benzina de extractie, raportul procentual dintre cei doi componenti ai amestecului fiind cuprins între 0,1-99,9 si 99,9-0,1% temperatura de reactie fiind de 22-95 degree C, raportul molar dintre cei doi reactanti ai fazei a doua respectiv 1-naftil-cloroformiat si metilamina fiind cuprins între 1:2 pîna la 1:2,1, temperatura de reactie în faza a doua fiind de 0-25 degree C, de preferinta 5-15 degree C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO111446A RO86791B1 (ro) | 1983-06-29 | 1983-06-29 | Procedeu de obtinere a 1-naftil-n-metilcarbamatului |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO111446A RO86791B1 (ro) | 1983-06-29 | 1983-06-29 | Procedeu de obtinere a 1-naftil-n-metilcarbamatului |
Publications (2)
Publication Number | Publication Date |
---|---|
RO86791A2 RO86791A2 (ro) | 1985-04-17 |
RO86791B1 true RO86791B1 (ro) | 1985-05-02 |
Family
ID=20113302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO111446A RO86791B1 (ro) | 1983-06-29 | 1983-06-29 | Procedeu de obtinere a 1-naftil-n-metilcarbamatului |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO86791B1 (ro) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103073457A (zh) * | 2013-02-05 | 2013-05-01 | 上海化工研究院 | 一种甲萘威-(甲基-d3)的合成方法 |
-
1983
- 1983-06-29 RO RO111446A patent/RO86791B1/ro unknown
Also Published As
Publication number | Publication date |
---|---|
RO86791A2 (ro) | 1985-04-17 |
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