Abstract
The reaction of methyl o-(2-R-ethynyl)benzoates with hydrazine affords either fused 4-R-methylphthalazin-1-ones or 2-amino-3-R-methylideneisoindolin-1- ones. The latter are on treatment with KOH undergo recyclization into the corresponding 4-R-methylphthalazin- 1-ones.
Original language | English |
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Pages (from-to) | 632-636 |
Number of pages | 5 |
Journal | Russian Chemical Bulletin |
Volume | 59 |
Issue number | 3 |
DOIs | |
Publication status | Published - 1 Mar 2010 |
Externally published | Yes |
Keywords
- Cross-coupling
- Heterocyclization
- Isoin- dolinones
- O-alkynylbenzhydrazides
- Phthalazinones
- Recyclization
ASJC Scopus subject areas
- Chemistry(all)