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Dive into the research topics where Robert Lalande is active.

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Archive | 1989

Induced Decomposition of Peroxycompounds in Synthesis: Free Radical Functionalization of Crown Ethers

B. Maillard; Marie-Josèphe Bourgeois; Robert Lalande; E. Montaudon

Free radical additions of commercial 12-crown-4, 15-crown-5 and 18-crown-6 to various unsaturated peroxyesters and peroxides allowed their functionalization: acetonyl, 2, 3-epoxypropyl, 2-oxacyclopentylmethyl, 3-oxo-2-oxacyclopentylmethyl and 3-oxo-2,4-dioxacyclopentylmethyl groups were grafted onto the heterocycle. Polyfunctionalization could be obtained by changing the ratio crown ether/peroxycompound.


ChemInform | 1975

RADIKALISCHE ADDITION DES 1,3-OXEPANS AN OCTEN-(1)

B. Maillard; Michel Cazaux; Robert Lalande

In Gegenwart von Peroxiden als Initiatoren gehen aus der Reaktion des Dioxepans (I) mit Octen (II) der Ester (III) und die Octyldioxepane (IV) und (V) als Hauptprodukte hervor.


ChemInform | 1970

RADIKALISCHE ADDITIONEN 4. MITT. ADDITION VON ESTERN UND CHLORDERIVATEN AN VINYLCYCLOHEXAN UND 1‐METHYL‐1‐VINYL‐CYCLOHEXAN 5. MITT. ADDITION PRIM. ALKOHOLE AN BETA‐PINEN

Huguette Francois; Brigitte Derion; Robert Lalande; Boris Paskoff; Michel Cazaux

Bei der Addition der Ester (II) bzw. der Chlorverbindungen (V) an die Doppelbindung von Vinylcyclohexan (Ia) bzw. des Methylderivats (Ib) in Gegenwart von Benzoylperoxid (III) werden die Additionsprodukte (IVa) bzw. (VIa) und (IVb) bzw. (VIb) in jeweils gleich guten Ausbeuten erhalten; die Methylgruppe in (Ib) beeinflust also nicht die Reaktivitat der Doppelbindung.


Tetrahedron Letters | 1976

Isomerisation radicalaire de l'oxepanne. Un nouveau type de cyclisation homolytique sur un carbonyle.

F. Flies; Robert Lalande; B. Maillard


Tetrahedron Letters | 1969

Addition radicalaire du dioxolanne-1,3 a l'octene-1

Robert Lalande; B. Maillard; M. Cazaux


Archive | 1989

Functionalised crown ethers, their preparation and use as ion complexation agents.

B. Maillard; Marie-Josèphe Bourgeois; E. Montaudon; Robert Lalande


Helvetica Chimica Acta | 1984

Décomposition du percarbonate de O,O-t-butyle et O-isopropényle en solution: Acétonylation des esters, acides et nitriles

Robert Lalande; C. Filliatre; J.J. Villenave; Rabih Jaouhari


Tetrahedron Letters | 1972

Correlations structure-reactivite dans l'isomerisation radicalaire de dioxolannes d'aldehydes

M. Cazaux; B. Maillard; Robert Lalande


Bulletin des Sociétés Chimiques Belges | 2010

Un Nouvel Exemple de Migration D'Hydrogène Intramoleculaire Dans Un Radical Vinylique: Addition Radicalaire de l'Acétone À l'Octyne-1

Christian Gardrat; E. Montaudon; Robert Lalande


Journal of Heterocyclic Chemistry | 1975

Additions radicalaires du tétrahydrothiophène à des dérivés éthyléniques: Préparation de tétrahydrothiophènes substitués en 2

Robert Lalande; Marie-Josèphe Bourgeois; B. Maillard

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B. Maillard

University of Bordeaux

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M. Cazaux

University of Bordeaux

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F. Flies

University of Bordeaux

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I. Tabbaa

University of Bordeaux

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