SYNTHESIS OF 1, 2-DIHYDRO-2-ALLYLINDOL-3-ONES USING IN SITU CLAISEN REARRANGEMENT OF 1, 2-DIHYDROINDOL-3-ONES WITH ALLYL ALCOHOLS

Thermal treatment of 1, 2-dihydroindol-3-ones (2) with allyl alcohols (3) in the presence of camphorsulfonic acid and magnesium sulfate advances a sequence of condensation and Claisen rearrangement to give 1, 2-dihydro-2-allylindol-3-ones (6) including 2-(1, 1-dimethylallyl) derivatives (1).

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Bibliographische Detailangaben
Veröffentlicht in:	Chemical & pharmaceutical bulletin 1994/09/15, Vol.42(9), pp.1974-1976
Hauptverfasser:	KAWASAKI, Tomomi, MASUDA, Kouhei, BABA, Yasutaka, TAKADA, Kana, SAKAMOTO, Masanori
Format:	Artikel
Sprache:	eng
Schlagworte:	1, 2-dihydro-2-allyl-indol-3-one allyl alcohol Chemistry Claisen rearrangement condensation Exact sciences and technology Heterocyclic compounds Heterocyclic compounds with only one n hetero atom and condensed derivatives indol-3-one Organic chemistry Preparations and properties
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Beschreibung
Zusammenfassung:	Thermal treatment of 1, 2-dihydroindol-3-ones (2) with allyl alcohols (3) in the presence of camphorsulfonic acid and magnesium sulfate advances a sequence of condensation and Claisen rearrangement to give 1, 2-dihydro-2-allylindol-3-ones (6) including 2-(1, 1-dimethylallyl) derivatives (1).
ISSN:	0009-2363 1347-5223
DOI:	10.1248/cpb.42.1974