INDIRECT ELECTROREDUCTIVE CYCLIZATION FOR SYNTHESES OF KEY INTERMEDIATES OF SEVERAL INDOLE AND IPECAC ALKALOIDS

Indirect electroreductive cyclization of η-bromo-α, β-unsaturated esters 1-6 using Co(III) or Ni(II)complex as an electron-transfer catalyst provided the six membered compounds 7-12, which are useful synthetic intermediates of several indole and ipecac alkaloids.

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Bibliographische Detailangaben
Veröffentlicht in:	Chemical & pharmaceutical bulletin 1995/02/15, Vol.43(2), pp.362-364
Hauptverfasser:	IHARA, Masataka, SETSU, Fumihito, TOKUNAGA, Yuji, FUKUMOTO, Keiichiro, KASHIWAGI, Yoshitomo, OSA, Tetsuo
Format:	Artikel
Sprache:	eng
Schlagworte:	alkaloid synthesis Chemistry Electrochemistry electron-transfer catalyst Exact sciences and technology General and physical chemistry indirect electroreductive cyclization Kinetics and mechanism of reactions Ni(II) complex VB12a
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Beschreibung
Zusammenfassung:	Indirect electroreductive cyclization of η-bromo-α, β-unsaturated esters 1-6 using Co(III) or Ni(II)complex as an electron-transfer catalyst provided the six membered compounds 7-12, which are useful synthetic intermediates of several indole and ipecac alkaloids.
ISSN:	0009-2363 1347-5223
DOI:	10.1248/cpb.43.362