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Synthesis 2009(2): 325-331
DOI: 10.1055/s-0028-1083263
DOI: 10.1055/s-0028-1083263
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New YorkDesign and Efficient Synthesis of Amino Acid Derived 2-Substituted Imidazoles by Palladium-Catalyzed Cross-Coupling Reactions
Further Information
Received
18 September 2008
Publication Date:
12 December 2008 (online)
Publication History
Publication Date:
12 December 2008 (online)

Abstract
Optically active imidazole derivatives featuring an α-amino acid motif substituted at the 2-position can be prepared in moderate to good yields by Negishi as well as Suzuki-Miyaura cross-couplings as the key synthetic steps. The reaction sequence involves N-protection (ethoxymethylation), whereby both generated regioisomers could be separated by column chromatography, and selective 2-lithiation. Subsequent transmetalation to zinc or an iodine quench affords reactants suitable for Pd-catalyzed Negishi and Suzuki-Miyaura reactions with (hetero)aromatics.
Key words
heterocycles - cross-coupling - amino acids - chiral pool - ligands
- 1
Debus H. Liebigs Ann. Chem. 1858, 107: 199 - 2a
Bellina F.Cauteruccio S.Rossi R. Tetrahedron 2007, 63: 4571 - 2b
Townsend LB. Chem. Rev. 1967, 67: 533 - 3a
De Luca L. Curr. Med. Chem. 2006, 13: 1 - 3b
Boiani M.González M. Mini-Rev. Med. Chem. 2005, 5: 409 - 4a
Santagostini L.Gullotti M.Pagliarin R.Bianchi E.Casella L.Monzani E. Tetrahedron: Asymmetry 1999, 10: 281 - 4b
Katsuki I.Motoda Y.Sunatsuki Y.Matsumoto N.Nakashima T.Kojima M. J. Am. Chem. Soc. 2002, 124: 629 - 4c
Kamaraj K.Kim E.Galliker B.Zakharov LN.Rheingold AL.Zuberbühler AD.Karlin KD. J. Am. Chem. Soc. 2003, 125: 6028 - 5
Plechkova N. V.Seddon K. R. Chem. Soc. Rev. 2008, 37: 123 - 6
Pearson AJ.Roush WR. Handbook of Reagents for Organic Chemistry: Activating Agents and Protecting Groups John Wiley & Sons; Chichester: 1999. - 7
Coppola GM.Schuster HF. Asymmetric Synthesis: Construction of Chiral Molecules Using Amino Acids John Wiley & Sons; New York: 1987. - 8a
Bureš F.Kulhánek J. Tetrahedron: Asymmetry 2005, 16: 1347 - 8b
Bureš F.Szotkowski T.Kulhánek J.Pytela O.Ludwig M.Holčapek M. Tetrahedron: Asymmetry 2006, 17: 900 - 8c
Marek A.Kulhánek J.Ludwig M.Bureš F. Molecules 2007, 12: 1183 - 9
Chelucci G.Thummel RP. Chem. Rev. 2002, 102: 3129 - 10a
Zificsak CA.Hlasta DJ. Tetrahedron 2004, 60: 8991 - 10b
Schnürch M.Flasik R.Khan AF.Spina M.Mihovilovic MD.Stanetty P. Eur. J. Org. Chem. 2006, 3283 - 10c
Chinchilla R.Nájera C.Yus M. Chem. Rev. 2004, 104: 2667 - 11a
Prasad ASB.Stevenson TM.Citineni JR.Nyzam V.Knochel P. Tetrahedron 1997, 53: 7237 - 11b
Bell AS.Roberts DA.Ruddock KS. Tetrahedron Lett. 1988, 29: 5013 - 11c
Evans DA.Bach T. Angew. Chem., Int. Ed. Engl. 1993, 32: 1326 - 11d
Havez S.Begtrup M.Vedsø P.Andersen K.Ruhland T. Synthesis 2001, 909 - 11e
Utas JE.Olofsson B.Åkermark B. Synlett 2006, 1965 - 12a
Cerezo V.Afonso A.Planas M.Feliu L. Tetrahedron 2007, 63: 10445 - 12b
Bellina F.Cauteruccio S.Rossi R. J. Org. Chem. 2007, 72: 8543 - 12c
Langhammer I.Erker T. Heterocycles 2005, 65: 1975 - 12d
Wei H.Sudini R.Yin H. Org. Process Res. Dev. 2004, 8: 955 - 12e
Primas N.Mahatsekake C.Bouillon A.Lancelot J.-C.Santos JSO.Lohier J.-F.Rault S. Tetrahedron 2008, 64: 4596 - 12f
Kaswasaki I.Yamashita M.Ohta S. J. Chem. Soc., Chem. Commun. 1994, 2085 - 13a
Gutierrez AJ.Terhorst TJ.Matteuci MD.Froehler BC. J. Am. Chem. Soc. 1994, 116: 5540 - 13b
Kosugi M.Koshiba M.Atoh A.Sano H.Migita T. Bull. Chem. Soc. Jpn. 1986, 59: 677 - 13c
Gaare K.Repstad T.Benneche T.Undheim K. Acta Chem. Scand. 1993, 47: 57 - 13d
Choshi T.Yamada S.Nobuhiro J.Mihara Y.Sugino E.Hibino S. Heterocycles 1998, 48: 11 - 14a
Bellina F.Calandri C.Cauteruccio S.Rossi R. Tetrahedron 2007, 63: 1970 - 14b
Bellina F.Cauteruccio S.Mannina L.Rossi R.Viel S. J. Org. Chem. 2005, 70: 3997 - 15
Iddon B.Lim BL. J. Chem. Soc., Perkin Trans. 1 1983, 735 - 16
Park SB.Alper H. Org. Lett. 2003, 5: 3209 - 17
Decrane L.Plé N.Turck A. J. Heterocycl. Chem. 2005, 42: 509 - 18a
Cliff MD.Pyne SG. Synthesis 1994, 681 - 18b
Causey CP.Allen WE. J. Org. Chem. 2002, 67: 5963 - 18c
Morita Y.Murata T.Yamada S.Tadokoro M.Ichimura A.Nakasuji K. J. Chem. Soc., Perkin Trans. 1 2002, 2598