H. P. FORTGENS

Intramolecular reactions of acyclic n-acyliminium ions III silicon assisted cyclocondensation of glyoxylic esters to proline and pipecolic acid derivatives

H. H. MOOIWEER, Henk Hiemstra, H. P. FORTGENS et al. · Tetrahedron Letters · 1987 · 58 citations

Natural Sciences, Chemistry, Catalysis +5

Intramolecular reactions of acyclic n-acyliminium ions II allyl silanes as nucleophiles

Henk Hiemstra, H. P. FORTGENS, W. N. SPECKAMP · Tetrahedron Letters · 1985 · 52 citations

Natural Sciences, Chemistry, Organic Chemistry +7

Lewis acid induced reactions of propargyl trimethyl silane with ω-ethoxy lactams synthesis of γ-allenyl-GABA

Henk Hiemstra, H. P. FORTGENS, W. N. SPECKAMP · Tetrahedron Letters · 1984 · 32 citations

Natural Sciences, Chemistry, Medicinal Chemistry +12

Intramolecular reactions of acyclic N-acyliminium ions I propargyl silanes as nucleophiles

Henk Hiemstra, H. P. FORTGENS, Sander Stegenga et al. · Tetrahedron Letters · 1985 · 30 citations

Natural Sciences, Chemistry, Organic Chemistry +10

Stereocontrolled formation of 1,2-dihydroindoles

Siem J. Veenstra, H. P. FORTGENS, R. J. VIJN et al. · Tetrahedron · 1987 · 15 citations

Pharmacy, Chemistry, Medicinal Chemistry +5