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: Al-Rehaily, AJ Sharaf, MHM Zemaitis, MA Gao, CY Martin, GE Hadden, CE Thamann, TJ Lin, FT Schiff, PL

Citation: Aj. Al-rehaily et al., Thalprzewalskiinone, a new oxobenzylisoquinoline alkaloid from Thalictrum przewalskii, J NAT PROD, 62(1), 1999, pp. 146-148

Authors: Hadden, CE Duholke, WK Guido, JE Robins, RH Martin, GE Sharaf, MHM Schiff, PL

Citation: Ce. Hadden et al., Structural characterization of components of a mixture-characterization ofa facile oxidation product of cryptolepinone in situ, J HETERO CH, 36(2), 1999, pp. 525-531

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