Abstract
A small library of leucomycin A7 derivatives was prepared by NaCNBH3/ZnCl2-mediated reductive amination of the C18 aldehyde moiety with a variety of lipophilic benzylamines and tested for antibiotic activity.
Abbreviations
- Bnz:
-
benzyl
- BOC:
-
tert-butyloxycarbonyl
- br:
-
broad
- Cy:
-
cyclohexyl
- DCC:
-
dicyclohexyl carbodiimide
- DCM:
-
methylene chloride
- DMAP:
-
4-N,N-dimethylaminopyridine
- NHS:
-
N-hydroxysuccinimide
- NP:
-
normal phase
- TEA:
-
triethylamine
- TLC:
-
thin-layer chromatography
References
Bryskier, A.J., Butzler, J.-P., Neu, H.C. and Tulkens, P.M., Macrolides: Chemistry, Pharmacology and Clinical Uses, Arnette Blackwell, Paris, 1993.
Schönfeld, W. and H.A. Kirst (Eds.), Macrolide Antibiotics, Birkhäuser, Basel, 2002.
Elliott, R.L., Pireh, H., Griesgraber, G., Nilius, A.M., Ewing, P.J., Bui, M.H., Raney, P.M., Flamm, R.K., Kim, K., Henry, R.F., Chu, D.T.W., Plattner, J.J. and Or, Y.S., Anhydrolide macrolides. 1. Synthesis and antibacterial activity of 2,3-anhydro-6-O-methyl-11,12-carbamate erythromycin a analogues, J. Med. Chem., 41 (1998) 1651.
Denis, A., Agouridas, C., Auger, J.M., Benedetti, Y., Bonnefoy, A., Bretin, F., Chantot, J.F., Dussarat, A., Fromentin, C., Gouin-D’Ambrièrsa, S., Lachaud, S., Laurin, P., Le Martret, O., Loyau, V., Tessot, N., Pejac, J.-M. and Perron, S., Synthesis and antibacterial activity of Hmr 3647 – A new ketolide highly potent against erythromycin-resistant and susceptible pathogens, Bioorg. Med. Chem. Lett., 9 (1999) 3075–3080.
Phan, L.T., Clark, R.F., Rupp, M., Or, Y.S., Chu, D.T.W. and Ma, Z., Synthesis of 2-fluoro-6-O-propargyl-11,12-carbamate ketolides. A novel class of antibiotics, Org. Lett., 2 (2000) 2951–2954.
Denis, A., Bretin, F., Fromentin, C., Bonnet, A., Piltan, G., Agouridas, C. and Bonnefoy, A., Β-Ketoester chemistry and ketolides. Synthesis and antibacterial activity of 2-halogeno, 2-methyl and 2,3-enol-ether ketolides, Bioorg. Med. Chem. Lett., 10 (2000) 2019-2022.
Clark, R.F., Ma, Z., Wang, S., Griesgraber, G., Tufano, M., Yong, H., Li, L., Zhang, X., Nilius, A., Chu, D.T.W. and Or, Y.S., Synthesis and antibacterial activity of novel 6-O-substituted erythromycin a derivatives, Bioorg. Med. Chem. Lett., 10 (2000) 815–819.
Shengxi, C., Xiandong, X. and Lanxiang, Y., 3-Keto-9-O-substituted oxime derivatives of 6-O-methyl erythromycin a synthesis and in vitro activity, J. Antibiot., 54 (2001) 506–509.
Fardis, M., Ashley, G.W., Carney, J.R. and Chu, D.T., Synthesis of 14,15-dehydroerythromycin a ketolides: Effects of the 13-substituent on erythromycin tautomerism, J. Antibiot., 54 (2001) 278–284.
Denis, A., Pejac, J.-M., Bretin, F. and Bonnefoy, A., Synthesis of 9-oxime-11,12-carbamate ketolides through a novel N-deamination reaction of 11,12-hydrazonocarbamate ketolide, Bioorg. Med. Chem. Lett, 11 (2003) 2389–2394.
Keyes, R.F., Carter, J.J., Englund, E.E., Daly, M.M., Stone, G.G., Nilius, A.M. and Ma, Z., Synthesis and antibacterial activity of 6-O-arylbutynyl ketolides with improved activity against some key erythromycin-resistant pathogens, J. Med. Chem., 46 (2003) 1795–1798.
Zhao, Y., You, Q. and Shen, W., A novel bicyclic ketolide derivative, Bioorg. Med. Chem. Lett., 13 (2003) 1805–1807.
Hranjec, M., Starcevi’c, K., Zamola, B., Mutak, S., Derek, M. and Karminski-Zamola, G., New amidino-benzimidazolyl derivatives of tylosin and desmycosin, J. Antibiot., 55 (2002) 308–314.
Mandic, Z., Naranda, A., Novak, P., Brajsa, K., Derek, M. and Ivekovic, D., New derivatives of tylosin: Chemical and electrochemical oxidation products of desmycosin, J. Antibiot., 55 (2002) 807–813.
Kurihara, K.-I., Ajito, K., Shibahara, S., Ishizuka, T., Hara, O., Araake, M. and Omoto, S., Cladinose analogues of sixteen-membered macrolide antibiotics. I. Synthesis of 4-O-alkyl-L-cladinose analogues via glycosylation, J. Antibiot., 49 (1996) 582–592.
Kurihara, K.-I., Ajito, K., Shibahara, S., Hara, O., Araake, M., Omoto, S. and Inouye, S., Cladinose analogues of sixteen-membered macrolide antibiotics VI. Synthesis of metabolically programmed, highly potent analogues of sixteen-membered macrolide antibiotics, J. Antibiot., 51 (1998) 771–785.
Furuuchi, T., Kurihara, K.-I., Yoshida, T. and Ajito, K., Synthesis and biological evaluation of novel leucomycin analogues at the C-3 position, J. Antibiot., 56 (2003) 399–414.
Akritopoulou-Zanze, I. and Sowin, T.J., Solid-phase synthesis of macrolide analogues, J. Comb. Chem., 3 (2001) 301–311.
Kirst, H.A., Toth, E.J., Debono, M., Willard, K.E., Truedell, B.A., Ott, J.L., Counter, F.T., Felty-Duckworth, A.M. and Pekarek, Synthesis and evaluation of tylosin-related macrolides modified at the aldehyde function: A new series of orally effective, antibiotics, J. Med. Chem., 31 (1988) 1631–1641.
Creemer, L.C., Beier, R.C. and Kiehl, D.E., Facile synthesis of tilmicosin and tylosin related haptens for use as protein conjugates, J. Antibiot., 56 (2003) 481–487.
Gebhardt, P., Perner, A. and Gräfe, U., Chromatographia (2004), in press.
Kim, S., Oh, C.H., Ko, J.S.K., Ahn, K.H. and Kim, Y.J., Zinc modified cyanoborohydride as a selective reducing agent, J. Org. Chem., 50 (1985) 1927–1932.
Friedrich-Bochnitschek, S., Waldmann, H. and Kunz, H., Allyl esters as carboxy protecting groups in the synthesis of O-glycopeptides, J. Org. Chem., 54 (1989) 751–756.
Tsuda, Y., Wanaka, K., Tada, M., Okamoto, S., Hijikata-Okunomiya, A. and Okada, Y., Design of plasma kallikrein inhibitors: Functional and structural requirements of plasma kallikrein inhibitors, Chem. Pharm. Bull., 46 (1998) 452–457.
Hinman, C. and Vaughan, K., Active esters of anthranilic acid; N-(O-aminobenzoyloxy)-imides as reagents for O-aminobenzoylation, synthesis, (1980) 719–721.
Kazmirowski, H.G., Neuland, P., Landmann, H. and Markwardt, F., Synthesis of antiproteolytically active derivatives of 4-aminomethylbenzoic acid and of other structurally related compounds, Pharmazie, 22 (1967) 465–470.
Landmann, H., Relations between chemical constitution and anti trypsin activity in p-amino methylbenzoic acid derivatives, Monatsber. Dtsch. Akad. Wiss. Berl., 8 (1966) 943–947.
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Gebhardt, P., Gräfe, U., Möllmann, U. et al. Semisynthetic preparation of leucomycin derivatives: Introduction of aromatic side chains by reductive amination. Mol Divers 9, 27–32 (2005). https://doi.org/10.1007/s11030-005-1304-z
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DOI: https://doi.org/10.1007/s11030-005-1304-z