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Spirans XVIII . gem ‐Dialkyl and spirotetrahydrocarbazoles
Author(s) -
Rice Leonard M.,
Sheth Bhagvandas S.,
Wheeler James W.
Publication year - 1971
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570080513
Subject(s) - chemistry , indole test , stereochemistry , product (mathematics) , mathematics , geometry
The reactions of 4,4‐dialkylcyclohexanones, spiro[4.5]decan‐8‐one and various spiro[5.5]‐undecanones with phenylhydrazines to produce corresponding 3,3‐dialkyltetrahydro and spiro (cycloalkyl 1,n′)‐1′,2′,3′,4′‐tetrahydrocarbazoles (n = 1, 2 or 3) by the Fischer indole synthesis were examined. Structural assignment of the one isomeric product derived from spiro[5.5]‐undecan‐2‐one was obtained on the basis of pmr spectra.
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