Total Synthesis of Proanthocyanidin A1, A2, and Their Stereoisomers
Sharma, Pradeep K, Romanczyk, Leo J, Kondaveti, Leelakrishna, Reddy, Bollu, Arumugasamy, Jeeva, Lombardy, Richard, Gou, Yanni, Schroeter, Hagen
Published in Organic letters (15.05.2015)
Published in Organic letters (15.05.2015)
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Journal Article
Enantioselctive syntheses of sulfur analogues of flavan-3-Ols
Sharma, Pradeep K, He, Min, Jurayj, Jurjus, Gou, Da-Ming, Lombardy, Richard, Romanczyk, Jr, Leo J, Schroeter, Hagen
Published in Molecules (Basel, Switzerland) (13.08.2010)
Published in Molecules (Basel, Switzerland) (13.08.2010)
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Journal Article
Pentameric procyanidin from Theobroma cacao selectively inhibits growth of human breast cancer cells
Ramljak, Danica, Romanczyk, Leo J, Metheny-Barlow, Linda J, Thompson, Nicole, Knezevic, Vladimir, Galperin, Mikhail, Ramesh, Arun, Dickson, Robert B
Published in Molecular cancer therapeutics (01.04.2005)
Published in Molecular cancer therapeutics (01.04.2005)
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Journal Article
An outbreak of renal failure in asian dogs due to s-triazine adulteration of pet food raw material: Analysis of unique, green kidney stones formed as a result
Campbell, James A., Franz, James A., Romanczyk, Leo J., Wunschel, David J., Metz, Thomas O., Petersen, Catherine E.
Published in Food and chemical toxicology (01.09.2024)
Published in Food and chemical toxicology (01.09.2024)
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Journal Article
Scale-Up Syntheses of Two Naturally Occurring Procyanidins: (−)-Epicatechin-(4β,8)-(+)-catechin and (−)-Epicatechin-3-O-galloyl-(4β,8)-(−)-epicatechin-3-O-gallate
Sharma, Pradeep K, Kolchinski, Alexander, Shea, Hélène A, Nair, Jayesh J, Gou, Yanni, Romanczyk, Leo J, Schmitz, Harold H
Published in Organic process research & development (01.05.2007)
Published in Organic process research & development (01.05.2007)
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Journal Article
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-(2R,3R)-epicatechin-4β,8-[3-O-galloyl-(2R,3R)-epicatechin]
Tückmantel, Werner, Kozikowski, Alan P, Romanczyk, Leo J
Published in Journal of the American Chemical Society (29.12.1999)
Published in Journal of the American Chemical Society (29.12.1999)
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Journal Article
Studies in Polyphenol Chemistry and Bioactivity. 4. 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
Kozikowski, Alan P, Tückmantel, Werner, Böttcher, Gesine, Romanczyk, Leo J
Published in Journal of organic chemistry (07.03.2003)
Published in Journal of organic chemistry (07.03.2003)
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Journal Article
Studies in polyphenol chemistry and bioactivity. 4.(1) Synthesis of trimeric, tetrameric, pentameric, and higher oligomeric epicatechin-derived procyanidins having all-4beta,8-interflavan connectivity and their inhibition of cancer cell growth through cell cycle arrest
Kozikowski, Alan P, Tückmantel, Werner, Böttcher, Gesine, Romanczyk, Jr, Leo J
Published in Journal of organic chemistry (07.03.2003)
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Published in Journal of organic chemistry (07.03.2003)
Journal Article
Studies in polyphenol chemistry and bioactivity. 4. Synthesis of trimeric, tetrameric, pentameric, and higher oligomeric epicatechin-derived procyanidins having all-4 beta,8-interflavan connectivity and their inhibition of cancer cell growth through cell cycle arrest
Kozikowski, AP, Tuckmantel, W, Bottcher, G, Romanczyk, LJ
Published in Journal of organic chemistry (07.03.2003)
Published in Journal of organic chemistry (07.03.2003)
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Journal Article
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 Arrest 1
Kozikowski, Alan P., Tückmantel, Werner, Böttcher, Gesine, Romanczyk, Leo J.
Published in Journal of organic chemistry (01.03.2003)
Published in Journal of organic chemistry (01.03.2003)
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Journal Article
Studies in polyphenol chemistry and bioactivity. 4. 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 arrests
KOZIKOWSKI, Alan P, TÜCKMANTEL, Werner, BÖTTCHER, Gesine, ROMANCZYK, Leo J
Published in Journal of organic chemistry (2003)
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Published in Journal of organic chemistry (2003)
Journal Article
Cocoa components, edible products having enhanced polyphenol content, methods of making same and medical uses
MARY E. WHITACRE, MARY E. MYERS, JR., JOHN HAMMERSTONE, HAROLD H. SCHMITZ, HANS M. GEYER, JR., LEO J ROMANCZYK, KIRK S. KEALEY, RODNEY M. SNYDER
Year of Publication 26.04.2007
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Year of Publication 26.04.2007
Patent
Purine alkaloid distribution with Herrania and Theorbroma
Hammerstone, John F., Romanczyk, Leo J., Martin Aitken, W.
Published in Phytochemistry (Oxford) (01.03.1994)
Published in Phytochemistry (Oxford) (01.03.1994)
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Journal Article