135531-92-9Relevant academic research and scientific papers
Preparation method of 4-nitroindole
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Paragraph 0023; 0027; 0031; 0035, (2017/04/12)
The invention discloses a preparation method of 4-nitroindole. The preparation method comprises the following steps: nitrating 4-methoxyphenylhydrazine hydrochloride to prepare 3-nitryl-4-methoxyphenylhydrazine hydrochloride, then enabling the 3-nitryl-4-methoxyphenylhydrazine hydrochloride to react with acetaldehyde under the catalysis of a catalyst to prepare 5-methoxyl-4-nitroindole, and finally removing methoxyl to obtain the required 4-nitroindole. The reaction process is as shown in the following figure. According to the method, a ternary catalyst system is used, so that the reaction conversion rate is high, and the selectivity is high. Furthermore, reaction conditions for the preparation method are mild, and the reaction cost is relatively low; the preparation method has relatively high industrial production prospect.
Discovery of 4-amino and 4-hydroxy-1-aroylindoles as potent tubulin polymerization inhibitors
Liou, Jing-Ping,Wu, Zi-Yi,Kuo, Ching-Chuan,Chang, Chi-Yen,Lu, Pei-Yi,Chen, Chi-Ming,Hsieh, Hsing-Pang,Chang, Jang-Yang
supporting information; experimental part, p. 4351 - 4355 (2009/05/26)
1-Aroylindoline, 1-aroyl-1,2,3,4-tetrahydroquinoline, and 1-aroylindole derivatives were synthesized and evaluated for anticancer activity. The 4-amino and 4-hydroxy-1-aroylindoles 26 and 27 with IC50 of 0.9 and 0.6 μM, respectively, exhibited
Efficient mononitration of indolic compounds with nitric acid impregnated on silica gel
Roué, Nathalie,Delahaigue, Thierry,Barret, Roland
, p. 263 - 266 (2007/10/03)
The methoxyindoles (N-benzenesulfonyl and 2-carbomethoxy) were mononitrated with nitric acid adsorbed on silica gel under mild conditions to give mononitroindoles in good chemical yields.
SIMPLE SYNTHESES OF 1,3,4,5-TETRAHYDROPYRROLOQUINOLINE AND 5-HYDROXY-4-NITROINDOLE (SYNTHETIC STUDY FOR INDOLES HAVING A NITROGEN CONTAINING FUNCTIONAL GROUP AT THE 4-POSITION)
Hamabuchi, Shin,Hamada, Hirokazu,Hironaka, Akiko,Somei, Masanori
, p. 443 - 448 (2007/10/02)
A simple four (or three) step synthesis method for 1,3,4,5-tetrahydropyrroloquinoline (6) from indole-3-carboxaldehyde (9) is developed.A single step preparation of 5-hydroxy-4-nitroindole (8) by the oxidation of 4-aminoindole (16) is also reported.
