Jan Verweij

Industrial transformations of penicillins and cephalosporins

Jan Verweij, Erik de Vroom · Recueil des Travaux Chimiques des Pays-Bas · 1993 · 56 citations

Pharmacy, Medicinal Chemistry, Bioorganic Chemistry +5

One-step, high yield conversion of penicillin sulfoxides to deacetoxycephalosporins

Jan J. De Koning, H. J. Kooreman, Hong Tan et al. · The Journal of Organic Chemistry · 1975 · 33 citations

Pharmacy, Medicinal Chemistry, Antimicrobial Pharmacology +5

Asymmetric Synthesis of .beta.-Lactams via the Zinc-Mediated Glycine Ester Enolate-Imine Condensation Reaction Using .alpha.-Amino Esters as the Chiral Auxiliary

Hendrik L. van Maanen, H. KLEIJN, Johann T. B. H. Jastrzebski et al. · The Journal of Organic Chemistry · 1995 · 25 citations · Full text

Natural Sciences, Chemistry, Medicinal Chemistry +10

(R)-2-phenylglycine as a chiral auxiliary in the asymmetric synthesis of 2-azetidinones

Hendrik L. van Maanen, Johann T. B. H. Jastrzebski, Jan Verweij et al. · Tetrahedron Asymmetry · 1993 · 19 citations · Full text

Natural Sciences, Chemistry, Medicinal Chemistry +9

Synthesis of Penicillin N and Isopenicillin N

Rute Madeira Lau, J.Th.H. Van Eupen, Dick Schipper et al. · Tetrahedron · 2000 · 13 citations

Natural Sciences, Chemistry, Organic Chemistry +1