4.1 Article

Synthesis of 6,7-Dihydroindazole and 7,8-Dihydroquinazoline Derivatives from Ethyl 4,4-Dimethyl-9-oxo-3,4-dihydro-9H-xanthene-2-carboxylates

Journal

RUSSIAN JOURNAL OF GENERAL CHEMISTRY
Volume 91, Issue 7, Pages 1305-1309

Publisher

MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1070363221070070

Keywords

3,4-dihydroxanthone; 6,7-dihydroindazole; 7,8-dihydroquinazoline; ANRORC reaction

Funding

  1. Council for Grants at the President of the Russian Federation [SP-2019]
  2. Ministry of Health of the Russian Federation [AAAA-A20-120121790030-8]

Ask authors/readers for more resources

A method has been developed for synthesizing 6,7-dihydroindazoles and 7,8-dihydroquinazolines by reacting 3,4-dihydroxanthone derivatives with 1,2- and 1,3-binucleophiles (hydrazine, guanidine) under mild conditions (methanol, 20-65 degrees C) with high yields.
A procedure has been developed for the synthesis of 6,7-dihydroindazoles and 7,8-dihydroquinazolines by reaction of 3,4-dihydroxanthone derivatives with 1,2- and 1,3-binucleophiles (hydrazine, guanidine). The reaction occurred under mild conditions (methanol, 20-65 degrees C) with high yields.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.1
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

No Data Available
No Data Available