JPS51146460A - A novel process for preparing 2-cyano-5- nitroindole derivatives - Google Patents
A novel process for preparing 2-cyano-5- nitroindole derivativesInfo
- Publication number
- JPS51146460A JPS51146460A JP7005675A JP7005675A JPS51146460A JP S51146460 A JPS51146460 A JP S51146460A JP 7005675 A JP7005675 A JP 7005675A JP 7005675 A JP7005675 A JP 7005675A JP S51146460 A JPS51146460 A JP S51146460A
- Authority
- JP
- Japan
- Prior art keywords
- preparing
- cyano
- novel process
- derivatives
- nitroindole
- 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.)
- Pending
Links
Landscapes
- Indole Compounds (AREA)
Abstract
PURPOSE: A process for preparing introindole derivatives, the intermediates of benzodiazepine, by intramolecular cyclization of phenylhydrazone derivatives.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7005675A JPS51146460A (en) | 1975-06-09 | 1975-06-09 | A novel process for preparing 2-cyano-5- nitroindole derivatives |
NL7605382A NL7605382A (en) | 1975-06-04 | 1976-05-20 | PROCESS FOR PREPARING INDOLE DERIVATIVES. |
AT398076A AT352110B (en) | 1975-06-04 | 1976-05-31 | PROCESS FOR THE MANUFACTURING OF 3-PHENYLINDOL-2-CARBONIC ACID NITRILE |
GB22667/76A GB1494888A (en) | 1975-06-04 | 1976-06-01 | Preparation of indole derivatives |
US05/691,777 US4069230A (en) | 1975-06-04 | 1976-06-01 | Preparation of indole derivatives |
FR7616480A FR2313365A1 (en) | 1975-06-04 | 1976-06-01 | PREPARATION OF INDOLE DERIVATIVES |
MX000258U MX3179E (en) | 1975-06-04 | 1976-06-02 | PROCEDURE FOR THE PREPARATION OF 2-CYANE INDOL DERIVATIVES ".," The present invention refers to a process for the preparation of 2-cyano indole derivatives, of the formula: (SEE FIGURE) where: R1 is hydrogen, halogen, alkoxy from C1 to C3 or nitro; R2 is hydrogen, halogen or C1 to C3 alkoxy, and R4 is hydrogen consisting of cyclizing a hydrazone derivative of the formula: (SEE FIGURE) where R1, R2, R3 and R4 are as defined above , with an acidic condensing agent. |
CH696676A CH602639A5 (en) | 1975-06-04 | 1976-06-02 | |
DD193159A DD126311A5 (en) | 1975-06-04 | 1976-06-03 | |
SU762364003A SU620208A3 (en) | 1975-06-04 | 1976-06-03 | Method of obtaining indole derivatives |
HU76SU915A HU173660B (en) | 1975-06-04 | 1976-06-03 | Process for producing indole derivatives |
SE7606271A SE406586B (en) | 1975-06-04 | 1976-06-03 | NEW PROCEDURE FOR THE PREPARATION OF 3-PHENYL-INDOL-2-SARBONITRIL AND DERIVATIVES THEREOF |
CA253,965A CA1071637A (en) | 1975-06-04 | 1976-06-03 | Preparation of indole derivatives |
DE19762625029 DE2625029A1 (en) | 1975-06-04 | 1976-06-03 | PROCESS FOR THE PRODUCTION OF 3-PHENYLINDOL-2-CARBONIC ACID NITRILE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7005675A JPS51146460A (en) | 1975-06-09 | 1975-06-09 | A novel process for preparing 2-cyano-5- nitroindole derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51146460A true JPS51146460A (en) | 1976-12-16 |
Family
ID=13420501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7005675A Pending JPS51146460A (en) | 1975-06-04 | 1975-06-09 | A novel process for preparing 2-cyano-5- nitroindole derivatives |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51146460A (en) |
-
1975
- 1975-06-09 JP JP7005675A patent/JPS51146460A/en active Pending
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