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An improved procedure for the preparation of the Garner aldehyde and its use for the synthesis of N-protected 1-halo-2-(R)-amino-3-butenes
An improved procedure for the preparation of 1,1-dimethylethyl 2,2-dimethyl-4-(S)-formyloxazolidine-3-carboxylate (Garner aldehyde) is described which avoids the need for methyl iodide and benzene.Expand
  • 92
Palladium-catalysed cross-coupling reactions of arylboronic acids with π-deficient heteroaryl chlorides
Abstract The palladium-catalysed cross-coupling reactions of arylboronic acids with a variety of π-deficient heteroaryl chlorides proceed in high yield.Expand
  • 74
Acetal and ketal deprotection using montmorillonite K10: The first synthesis of syn-4,8-dioxatricyclo[,5]-2,6-octanedione
Abstract Montmorillonite K10 in dichloromethane at room temperature conveniently and efficiently converts acetals and ketals into the corresponding carbonyl compounds. The title dioneExpand
  • 50
Constituents of Cynara cardunculus
Abstract The isolation of (−)-arctigenin (1) and (−)-arctigenin 4′-glucoside from the seeds of Cynara cardunculus, and of hentriacontane and eicosyldocosanoate from the leaves is reported, along withExpand
  • 22
The synthesis of pyrido(2,3,4-kl)acridine unit of some marine alkaloids
A simple and convenient synthesis of pyrido(2,3,4-kl)acridine (1), the main skeleton of some marine alkaloids, via cyclization and intramolecular nitrene insertion, is described. The importance ofExpand
  • 9
Some Preliminary Studies on a Novel Rhodium(I)-Catalysed Tandem Hydrosilylation-Intramolecular Aldol Reaction
A rhodium(I)-catalysed tandem hydrosilylation-intramolecular aldol sequence can be used to prepare substituted cycloalkanols in modest to excellent yields under mild reaction conditions.
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