Authors: Martin, GE Hadden, CE Tackie, AN Sharaf, MMH Schiff, PL

Citation: Ge. Martin et al., Rapid acquisition of H-1-C-13 and H-1-N-15 heteronuclear chemical shift correlation data at the submilligram level using SMIDG (submicro inverse-detection gradient) NMR probe technology, MAGN RES CH, 37(8), 1999, pp. 529-537

Authors: Martin, GE Hadden, CE Blinn, JR Sharaf, MHM Tackie, AN Schiff, PL

Citation: Ge. Martin et al., Perturbations of N-15 chemical shifts following N-oxidation of the alkaloid cryptolepinone determined by H-1-N-15 GHSQC and GHMBC at natural abundance, MAGN RES CH, 37(1), 1999, pp. 1-6

Authors: Hadden, CE Sharaf, MHM Guido, JE Robins, RH Tackie, AN Phoebe, CH Schiff, PL Martin, GE

Citation: Ce. Hadden et al., 11-isopropylcryptolepine: A novel alkaloid isolated from Cryptolepis sanguinolenta characterized using submicro NMR techniques, J NAT PROD, 62(2), 1999, pp. 238-240

Authors: Hadden, CE Martin, GE Tackie, AN Schiff, PL

Citation: Ce. Hadden et al., Optimization of long-range H-1-N-15 2D NMR experiments at natural abundance - Assignment of the N-15 resonances of cryptospirolepine at the submilligram level, J HETERO CH, 36(4), 1999, pp. 1115-1117

Authors: Sharaf, MHM Schiff, PL Tackie, AN Martin, GE

Citation: Mhm. Sharaf et al., Cryptolepinone vs. hydroxycryptolepine: Resolution of a question of substituent functionality and double bond isomerization, J HETERO CH, 35(6), 1998, pp. 1365-1369