Journal ArticleDOI
A rapid route to ergot precursors via aza-claisen rearrangement
TLDR
In this article, a new route to 4-substituted indoles involves aza claisen rearrangement of a meta-subtituted N-allyl aniline followed by ozonolytic cleavage of the resultant 1,2,3-trisubstitized Nallyl derivative.About:
This article is published in Tetrahedron Letters.The article was published on 1984-01-01. It has received 27 citations till now. The article focuses on the topics: Claisen rearrangement & Carroll rearrangement.read more
Citations
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Journal ArticleDOI
Synthetically attractive indolization processes and newer methods for the preparation of selectively substituted indoles
Ulf Pindur,Reinhard Adam +1 more
TL;DR: In this article, the synthetically interesting processes available for indolization reactions are discussed and illustrated in tabular form and particular emphasis is placed on the more recent methods of indolisation.
Journal ArticleDOI
Simple route to 3-(2-indolyl)-1-propanones via a furan recyclization reaction
TL;DR: In this paper, a simple route to 1-R-3-(2-indolyl)-1-propanones has been elaborated based on recyclization of 2-aminobenzyl derivatives.
Journal ArticleDOI
Furan ring opening—indole ring closure: a new modification of the Reissert reaction for indole synthesis ☆
TL;DR: In this article, a modification of the Reissert reaction was proposed for the treatment of 2-tosylaminobenzylfurans with ethanolic HCl.
Patent
Nonlinear optical media of organosilicon crosslinked polymer
TL;DR: In this paper, the dyes include those with delocalized Pi electron systems linking electron donor groups and electron acceptor groups, and with at least two carbon-carbon double bond-containing pendant groups attached to at least 2 different sites from among the indicated delocalised Pi electron system, donor group, and acceptor group.
Journal ArticleDOI
Rearrangements of Substituted 3-Aza-1,2,5-hexatrienes. 3. The Scope and Versatility of an Extremely Mild 3-Aza-Cope Reaction
TL;DR: In this paper, an investigation of the [3,3]-sigmatropic reaction of substituted 3-aza-1,2,5-hexatrienes to give 4-pentenenitriles is presented.
References
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Journal ArticleDOI
The Claisen Rearrangement in Organic Synthesis; 1967 to January 1977
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Untersuchungen über aromatische Amino‐Claisen‐Umlagerungen
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The synthesis of 5-keto-1,3,4,5-tetrahydrobenz[cd] indole; a synthesis of 4-substituted indoles.
Journal ArticleDOI
Synthesis of ergot alkaloids from tryptophan
TL;DR: The first synthesized ergot alkaloids from tryptophan were described in this paper, where the starting material for these syntheses is tryptopophan, protected as its dihydro, dibenzoyl derivative.
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Zinkchloridkatalysierte, thermische Umlagerungen von N‐Allyl in C‐Allyl‐aniline; ladungsinduzierte, aromatische Amino‐Claisen‐Umlagerungen
TL;DR: In this article, a charge-induced [3s, 3s] sigmropic rearrangement of N-Allyl-2-methylaniline (12) forms on heating at 140° in xylene in the presence of zinc chloride 2.
Related Papers (5)
Diastereocontrol of the Claisen rearrangement by substituents external to the pericyclic array: synthetic studies on betaenone B and stemphyloxin I
Daniel V. Pratt,Paul B. Hopkins +1 more