Jerzy Szewczyk

Optically active 1-aminoalkanephosphonic acids. Dibenzoyl-<scp>L</scp>-tartaric anhydride as an effective agent for the resolution of racemic diphenyl 1-aminoalkanephosphonates

Paweł Kafarski, Barbara Lejczak, Jerzy Szewczyk · Canadian Journal of Chemistry · 1983 · 68 citations · Full text

Organic Material Chemistry, Derivatives, Biochemistry +13

Facile synthesis of (±)‐, (+)‐, and (‐)‐galanthamine

Jerzy Szewczyk, Joseph W. Wilson, Anita H. Lewin et al. · Journal of Heterocyclic Chemistry · 1995 · 40 citations

Medicinal Chemistry, Bioorganic Chemistry, Biochemistry +14

An improved synthesis of galanthamine

Jerzy Szewczyk, Anita H. Lewin, F. Ivy Carroll · Journal of Heterocyclic Chemistry · 1988 · 38 citations

Biosynthesis, Bioorganic Chemistry, Enantioselective Synthesis +10

Discovery of 1,5-Benzodiazepines with Peripheral Cholecystokinin (CCK-A) Receptor Agonist Activity (II):  Optimization of the C3 Amino Substituent

Gavin C. Hirst, Christopher Aquino, Lawrence Birkemo et al. · Journal of Medicinal Chemistry · 1996 · 37 citations · Full text

Medicinal Chemistry, Pharmacological Study, Functional Selectivity +13

Transesterification of Diphenyl Phosphonates using the Potassium Fluoride/Crown Ether/Alcohol System; Part 1. Transesterification of Diphenyl 1-(Benzyloxycarbonylamino)-alkanephosphonates

Jerzy Szewczyk, Barbara Lejczak, Paweł Kafarski · Synthesis · 1982 · 33 citations

Organic Chemistry, Part 1, Diphenyl Phosphonates +1