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Featured researches published by D. Damour.


Tetrahedron | 1986

Synthese et reactivite de silanes propargyliques ω-Fonctionnels : preparation de vinylidene-3 oxolannes, oxannes, oxepannes et oxocannes

Jacques Pornet; D. Damour; L. Miginiac

Abstract The ω-silyloxypropargyltrimethylsilanes regiospecifically react with aliphatic and aromatic aldehydes to lead to vinylidene oxygen-containing heterocycles,such as 3-vinylidene oxolanes, oxanes, oxepanes and oxocanes.


Journal of Organometallic Chemistry | 1987

Synthese regiospecifique d'allenes terminaux a partir de propargyltrimethylsilanes simples ou fonctionnels

Jacques Pornet; D. Damour; L. Miginiac

Abstract Protodesilylation of varied propargyltrimethylsilanes, using boron trifluorideacetic acid as reagent, give regiospecifically terminal allenes with very good yields. Yet, particular ω-functional propargyltrimethylsilanes may lead to vinylsilanes resulting from a ring-closing cyclisation reaction.


Tetrahedron | 1986

Synthese d'heterocycles oxygenes a groupe vinylidene exocyclique par voie organosilicique - partie II: Preparation de vinylidene-5 dioxannes-1,3

Jacques Pornet; D. Damour; B. Randrianoelina; L. Miginiac

Abstract The α-silyloxypropargyltrimethylsilanes regiospecifically react with aliphatic aldehydes to lead to alkyl-substituted 5-vinylidene-1,3-dioxanes, in a one-pot reaction.


Tetrahedron Letters | 1987

Synthese de vinylidene-3 pyrrolidines, piperidines, perhydroazepines a partir D'ω-monoalkyl-aminopropargyltrimethylsilanes par processus D'aminomethylation-desilylation intramoleculaire

D. Damour; Jacques Pornet; L. Miginiac

Abstract In acidic medium, the ω-monoalkylaminopropargyltrimethylsilanes regiospecifically reacted with formaldehyde, affording 3-vinylidene nitrogen-containing heterocycles, such as 3-vinylidene pyrrolidines, piperidines and perhydroazepines.


Journal of Organometallic Chemistry | 1990

Synthèse régiosélective d'amines α-alléniques par aminométhylation-désilylation de propargyltriméthylsilanes

D. Damour; Jacques Pornet; B. Randrianoelina; L. Miginiac

Abstract A very convenient method to prepare α-allenic amines from propargyltrimethyl-silanes and secondary amines via an aminomethylation-desilylation process is described.


Journal of Organometallic Chemistry | 1988

Synthèse par voie organosilicique d'hétérocydes comportant deux hétéroatomes et un groupe vinylidène exocyclique

D. Damour; Jacques Pornet; L. Miginiac

Abstract The ν-silyloxypropargyltrimethylsilanes: Me 3 SiCH 2 CCCH 2 X(CH 2 ) n OSiMe 3 (X = O, S, NR; n = 1, 2, 3) react regiospecifically with aliphatic aldehydes to give new vinylidene heterocyclic compounds, such as 6-alkyl-5-vinylidene-1,3-dioxanes, 7-alkyl-6-vinylidene-1,4-dioxepanes, 7-alkyl-4-thia-6-vinylidene-1-oxepanes, 7-alkyl-4-aza-6-vinylidene-1-oxepanes, and 8-alkyl-7-vinylidene-1,5-dioxocanes.


ChemInform | 1991

Regioselective Synthesis of α-Allenic Amines via Aminomethylation-Desilylation of Propargyltrimethylsilanes.

D. Damour; Jacques Pornet; B. Randrianoelina; L. Miginiac


ChemInform | 1988

Synthesis of Heterocycles Containing Two Heteroatoms and an Exocyclic Vinylidene Group via Organosilanes.

D. Damour; Jacques Pornet; L. Miginiac


ChemInform | 1988

Synthesis of 3-Vinylidenepyrrolidines, -piperidines, and -perhydrazepines from ω-Monoalkylaminopropargyltrimethylsilanes via an Intramolecular Aminomethylation-Desilylation Process.

D. Damour; Jacques Pornet; L. Miginiac


ChemInform | 1987

Regiospecific Synthesis of Terminal Allenes from Simple or Functionalized Propargyltrimethylsilanes.

Jacques Pornet; D. Damour; L. Miginiac

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L. Miginiac

University of Poitiers

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