Leo J. Romanczyk

Studies in Polyphenol Chemistry and Bioactivity. 4.1 Synthesis of Trimeric, Tetrameric, Pentameric, and Higher Oligomeric Epicatechin-Derived Procyanidins Having All-4β,8-Interflavan Connectivity and Their Inhibition of Cancer Cell Growth through Cell Cycle Arrest1

Synthetic methods for polyphenols

Synthetic methods for preparation of protected proanthocyanidin(s)

88, 66, and 68 catechin and epicatechin dimers and methods for their preparation

Process for preparing procyanidin(4-6 or 4-8) oligomers and their derivatives

Synthesis of oligomeric epicatechin and catechin-derived procyanidins

Synthesis of 4alpha-arylepicatechins

Studies in Polyphenol Chemistry and Bioactivity. 1. Preparation of Building Blocks from (+)-Catechin. Procyanidin Formation. Synthesis of the Cancer Cell Growth Inhibitor, 3- O -Galloyl-(2 R ,3 R )-epicatechin-4β,8-[3- O -galloyl-(2 R ,3 R )-epicatechin]

SYNTHESIS OF 4α-ARYLEPICATECHINS

Synthesis of dimeric, trimeric, tetrameric, pentameric, and higher oligomeric epicatechin-derived procyanidins having 4beta,8-interflavan linkages and their use to inhibit cancer cell growth through cell cycle arrest