Bis (indole) alkaloids. A nonbiomimetic approach to the blue pigment trichotomine dimethyl ester

G Palmisano, B Danieli, G Lesma… - The Journal of Organic …, 1985 - ACS Publications
Two alternative routes have been developed for the synthesis of trichotomine dimethyl ester
2. Both routes involve the synthesis of keto lactam 3 by reaction of the chiral imine 4 …

Bisindole alkaloids

GA Cordell, JE Saxton - The Alkaloids: Chemistry and Physiology, 1981 - Elsevier
Publisher Summary This chapter describes those alkaloids that contain two nuclei derived
from tryptophan, and is organized approximately along the lines of a progressing …

Indole Alkaloids. A Study of the Dieckmann Condensation of 1-Carbethoxymethyl-2-(β-carbethoxyethyl)-1, 2, 3, 4-tetrahydro-β-carboline. A Synthesis of 20 …

GB Kline - Journal of the American Chemical Society, 1959 - ACS Publications
l-Carbethoxymethyl-2-(/3-carbethoxyethyl)-l, 2, 3, 4-tetrahydro-/3-carboline has been
converted into two different tetra-cyclic/3-ketoesters by employing two sets of reaction …

General method for the synthesis of bridged indole alkaloids. Nucleophilic addition of indoleacetic ester enolates to N-alkylpyridinium salts

ML Bennasar, M Alvarez, R Lavilla… - The Journal of …, 1990 - ACS Publications
A short route to tetracyclic ring substructures of C-mavacurine, Strychnos, and akuammiline-
type alkaloids, based on the addition of methyl 1-, 2-, or 3-indoleacetate anions to Ñ …

Alternative partial synthesis of bisindole alkaloids

G Massiot, JM Nuzillard, B Richard, L Le Men-Olivier - Tetrahedron letters, 1990 - Elsevier
ALTERNATIVE PARTIAL SYNTHESIS OF BISINDOLE ALKALOIDS G. MASSIOT, JM
NUZILLARD, B. RICHARD and L. LE MEN-QLIVIER Laboratoire de Page 1 Tehahedrm Letters …

[PDF][PDF] A simple synthesis of 7-substituted 1-acetyl-2, 3-dihydroindoles

M Somei, T Kawasaki, T Ohta - Heterocycles, 1988 - triggered.edina.clockss.org
Although 7-substituted 1-acetyl-2, 3-dihydroindoles are suitable building blocks for the
synthesis of biologically interesting indole alkaloids2 having a substituent at the 7-position …

[引用][C] STUDIES ON THE SYNTHESIS OF BISINDOLE ALKALOIDS. IV. NOVEL OXYGENATED CATHARANTHINE DERIVATIVES.

JP Kutney, B GH, M Ichikawa, E Jahngen, J AV… - 1976 - pascal-francis.inist.fr
Keyword (fr) PREPARATION ALCALOIDE LACTAME REACTION ELECTROPHILE
HETEROCYCLE AZOTE ANGULAIRE COMPOSE PENTACYCLIQUE EPOXYDE …

The synthesis of bis-indole alkaloids and their derivatives

M Lounasmaa, A Nemes - Tetrahedron, 1982 - Elsevier
In a relatively short period of time several bis-indole alkaloids, especially those from
Catharunfhus roseus G. Don, have became highly valuable agents in chemotherapy. The …

2-Cyano-. DELTA. 3-piperidines. V. Towards the synthesis of corynanthe-type indole alkaloids. Computer-assisted study of the conformations of an" inside" …

DS Grierson, M Vuilhorgne, G Lemoine… - The Journal of Organic …, 1982 - ACS Publications
l-[/3-[. ZVa-(Phenylsulfonyl) indol-3-yl] ethyl]-2-cyano-A3-piperidmes 21 and 26 have been
used to mimic the two-step reaction sequence 7-* 8 (Scheme I) in which a 5, 6 …

General methods of synthesis of indole alkaloids. XIII. Oxindole alkaloid models

E Wenkert, JS Bindra, CJ Chang… - The Journal of …, 1974 - ACS Publications
The transformation of tryptophol (1) into indoloquinolizidines (4)(Scheme I) represents the
backbone of a general method of indole alkaloid synthesis. 4 As part of an endeavor to …