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Horsfiline, an oxindole alkaloid from Horsfieldia superba

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This article is published in Journal of Organic Chemistry.The article was published on 1991-11-01. It has received 351 citations till now. The article focuses on the topics: Horsfiline & Horsfieldia superba.

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Novel synthesis of aminoacetonitriles via the selective demethylation of quaternary ammonium salts

TL;DR: N -Methyl cyclic amines readily formed quaternary ammonium salts upon treatment with iodoacetonitrile in high yields (70-96%) as discussed by the authors, and the latter were selectively demethylated by heating in dimethylformamide to give aminoacetonitriles in moderate to good overall yields (36-69%).
Journal ArticleDOI

New Flavan and Alkyl α,β-Lactones from the Stem Bark of Horsfieldia Superba:

TL;DR: In this article, the methanol extract of the stem bark of Horsfieldia superba has been used for phytochemical investigation, leading to the discovery of twenty compounds (1-20), of which three were new.
Journal ArticleDOI

A derivatization-directed three-component synthesis of fluorescent spiro [dihydropyridine-4,3ʹ-indoline]s:

TL;DR: In this article, the synthesis of spiro[chromeno[4,3-b]pyridine-7,3ʹindoline]s is achieved via three-component reactions of 5-amino-3-methylpyrazole, 4-aminocoumarin, and isatin derivatives.
Journal ArticleDOI

Synthesis of novel benzoxaborinin-4-ones and its application in indolin-2-ones synthesis using a Suzuki–Miyaura reaction protocol

TL;DR: The synthesis of novel benzoxaborinin-4-one from substituted isatins and 2-acetyl phenylboronic acid is discussed and the application of these boronic acids to synthesize indolin-2-ones regioselectively using Suzuki–Miyaura reaction is demonstrated.
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