New 3H-Indole Synthesis by Fischer’s Method. Part I.
Methyl indolenines (4a-c) and(5a-c) were prepared in high yield by a Fischer indole synthesis reaction of o,m-tolylhydrazine hydrochlorides (1a-b) with isopropyl methyl ketone (2) and 2-methylcyclohexanone (3) in acetic acid at room temperature. o,p- Nitrophenylhydrazines (1c-d) were reacted with 2-...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2010-04-01
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Series: | Molecules |
Subjects: | |
Online Access: | http://www.mdpi.com/1420-3049/15/4/2491/ |