Joseph Langenhan
Joseph Langenhan
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Enhancing the anticancer properties of cardiac glycosides by neoglycorandomization
JM Langenhan, NR Peters, IA Guzei, FM Hoffmann, JS Thorson
Proceedings of the National Academy of Sciences 102 (35), 12305-12310, 2005
Probing DNA sequences in solution with a monomer-excimer fluorescence color change
PL Paris, JM Langenhan, ET Kool
Nucleic Acids Research 26 (16), 3789-3793, 1998
‘Sweetening’natural products via glycorandomization
BR Griffith, JM Langenhan, JS Thorson
Current opinion in biotechnology 16 (6), 622-630, 2005
Total synthesis and immunosuppressive activity of (−)-pateamine A and related compounds: implementation of a β-lactam-based macrocyclization
D Romo, RM Rzasa, HA Shea, K Park, JM Langenhan, L Sun, A Akhiezer, ...
Journal of the american chemical society 120 (47), 12237-12254, 1998
Neoglycorandomization and chemoenzymatic glycorandomization: two complementary tools for natural product diversification
JM Langenhan, BR Griffith, JS Thorson
Journal of natural products 68 (11), 1696-1711, 2005
A Direct Comparison of the Anticancer Activities of Digitoxin MeON-Neoglycosides and O-Glycosides
AKV Iyer, M Zhou, N Azad, H Elbaz, L Wang, DK Rogalsky, Y Rojanasakul, ...
ACS medicinal chemistry letters 1 (7), 326-330, 2010
Recent carbohydrate-based chemoselective ligation applications
JM Langenhan, JS Thorson
Current Organic Synthesis 2 (1), 59-81, 2005
Safety teams: An approach to engage students in laboratory safety
PJ Alaimo, JM Langenhan, MJ Tanner, SM Ferrenberg
Journal of Chemical Education 87 (8), 856-861, 2010
Parallel Sheet Secondary Structure in β‐Peptides
JM Langenhan, IA Guzei, SH Gellman
Angewandte Chemie 115 (21), 2504-2507, 2003
Non-Hydrogen-Bonded Secondary Structure in β-Peptides:  Evidence from Circular Dichroism of (S)-Pyrrolidine-3- carboxylic Acid Oligomers and (S)-Nipecotic …
BR Huck, JM Langenhan, SH Gellman
Organic Letters 1 (11), 1717-1720, 1999
Asymmetric Synthesis of a New Helix‐Forming β‐Amino Acid: trans‐4‐Aminopiperidine‐3‐carboxylic Acid
M Schinnerl, JK Murray, JM Langenhan, SH Gellman
European Journal of Organic Chemistry 2003 (4), 721-726, 2003
Modifying the glycosidic linkage in digitoxin analogs provides selective cytotoxins
JM Langenhan, JM Engle, LK Slevin, LR Fay, RW Lucker, KR Smith, ...
Bioorganic & medicinal chemistry letters 18 (2), 670-673, 2008
Evaluation of hydrogen bonding complementarity between a secondary sulfonamide and an α-amino acid residue
JM Langenhan, JD Fisk, SH Gellman
Organic letters 3 (16), 2559-2562, 2001
Eliminating Lab Reports: A Rhetorical Approach for Teaching the Scientific Paper in Sophomore Organic Chemistry
PJ Alaimo, JC Bean, JM Langenhan, L Nichols
Writing Across the Curriculum Journal 20, 17-32, 2009
To grow or defend? Pine seedlings grow less but induce more defences when a key resource is limited
S Ferrenberg, JM Kane, JM Langenhan
Tree physiology 35 (2), 107-111, 2015
Effects of alternative side chain pairings and reverse turn sequences on antiparallel sheet structure in β-peptide hairpins
JM Langenhan, SH Gellman
Organic Letters 6 (6), 937-940, 2004
Synthesis and biological evaluation of RON-neoglycosides as tumor cytotoxins
JM Langenhan, MM Endo, JM Engle, LL Fukumoto, DR Rogalsky, ...
Carbohydrate research 346 (17), 2663-2676, 2011
Preparation of Protected syn-α,β-Dialkyl β-Amino Acids That Contain Polar Side Chain Functionality
JM Langenhan, SH Gellman
The Journal of Organic Chemistry 68 (16), 6440-6443, 2003
Resin monoterpene defenses decline within three widespread species of pine (Pinus) along a 1530‐m elevational gradient
S Ferrenberg, JM Langenhan, SA Loskot, LM Rozal, JB Mitton
Ecosphere 8 (10), e01975, 2017
Nucleophilic Catalysis of MeON-Neoglycoside Formation by Aniline Derivatives
SA Loskot, J Zhang, JM Langenhan
The Journal of Organic Chemistry 78 (23), 12189-12193, 2013
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