JPS51146460A - A novel process for preparing 2-cyano-5- nitroindole derivatives - Google Patents

A novel process for preparing 2-cyano-5- nitroindole derivatives

Info

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
Application number
JP7005675A
Other languages
Japanese (ja)
Inventor
Shigeaki Morooka
Katsumi Tamoto
Akira Matsuura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP7005675A priority Critical patent/JPS51146460A/en
Priority to NL7605382A priority patent/NL7605382A/en
Priority to AT398076A priority patent/AT352110B/en
Priority to GB22667/76A priority patent/GB1494888A/en
Priority to US05/691,777 priority patent/US4069230A/en
Priority to FR7616480A priority patent/FR2313365A1/en
Priority to MX000258U priority patent/MX3179E/en
Priority to CH696676A priority patent/CH602639A5/xx
Priority to DD193159A priority patent/DD126311A5/xx
Priority to SU762364003A priority patent/SU620208A3/en
Priority to HU76SU915A priority patent/HU173660B/en
Priority to SE7606271A priority patent/SE406586B/en
Priority to CA253,965A priority patent/CA1071637A/en
Priority to DE19762625029 priority patent/DE2625029A1/en
Publication of JPS51146460A publication Critical patent/JPS51146460A/en
Pending legal-status Critical Current

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  • 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
JP7005675A 1975-06-04 1975-06-09 A novel process for preparing 2-cyano-5- nitroindole derivatives Pending JPS51146460A (en)

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)

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