Subscribe to RSS
DOI: 10.1055/s-0031-1289649
Synthesis of Functionalized 3,4-Diarylbenzophenones and 2,4-Diarylbenzophenones by Site-Selective Suzuki and Sonogashira Cross-Coupling Reactions of Bis(triflates) of 3,4- and 2,4-Dihydroxybenzophenone
Publication History
Publication Date:
15 December 2011 (online)
Abstract
Palladium(0)-catalyzed Suzuki and Sonogashira cross-coupling reactions of the bis(triflates) of 2,4- and 3,4-dihydroxybenzophenone afforded 2,4- and 3,4-diarylbenzophenones, respectively. The reactions proceeded with very good site-selectivity in favor of position 4.
Key words
benzophenone - cross-coupling - palladium - site-selectivity - Suzuki reaction - Sonogashira reaction
-
2a
De Souza AO.Santos RR.Melo PS.Alderete JB.De Conti R.Haun M.Sato DN.Duran N. Pharmazie 2001, 56: 871 -
2b
De Souza AO.Alderete JB.Schmidt F.Sato DN.Duran N. Arzneim. Forsch. 1999, 49: 1025 -
2c
Kumar S.Seth M.Bhaduri AP.Agnihotri A.Srivastava AK. Indian J. Chem. Sect. B: Org. Chem. Incl. Med. Chem. 1984, 23: 154 -
2d Inhibition of the interleukin
(IL-1) biosynthesis:
Batt DG.Goodman R.Jones DG.Kerr JS.Mantegna LR. J. Med. Chem. 1993, 36: 1434 -
2e Inhibition of the human
type-2 steroid 5α-reductase:
Holt DA.Yamashita DS.Konialian-Beck AL.Luengo JI.Abell AD. J. Med. Chem. 1995, 38: 13 -
2f Inhibition of COX-1:
Dannhardt G.Fiebich BL.Schweppenhaeuser J. Eur. J. Med. Chem. Chim. Ther. 2002, 37: 147 -
2g Inhibition of human liver
microsomes:
Lenhart A.Reinert DJ.Aebi JD.Dehmlow H.Morand OH.Schulz GE. J. Med. Chem. 2003, 46: 2083 - 3
Guarnieri A.Burnelli S.Varoli L.Busacchi I.Barbaro AM. Arch. Pharm. (Weinheim Ger.) 1981, 314: 703 - 4
Aburaki S.Okuyama S.Hoshi H.Kamachi H.Nishio M. J. Antibiot. 1993, 46: 1447 -
5a
Pettit GR.Toki B.Herald DL.Verdier-Pinard P.Boyd MR.Hamel E.Pettit RK. J. Med. Chem. 1998, 41: 1688 -
5b
Liou J.-P.Chang J.-Y.Chang C.-W.Chang C.-Y.Mahindroo N.Kuo F.-M.Hsieh H.-P.
J. Med. Chem. 2004, 47: 2897 -
5c
Liou J.-P.Chang C.-W.Song JS.Yang YS.Yeh CF.Tseng HY.Lo YK.Chang C.-L.Chang C.-M.Hsieh H.-P. J. Med. Chem. 2002, 45: 2556 -
6a
Cai X.Sakamoto M.Fujitsuka M.Majima T. Chem. Eur. J. 2005, 11: 6471 ; and references cited therein -
6b
Langhals H.Fuchs K. Chem. Unserer Zeit 2004, 38: 98 ; and references cited therein -
6c
Lamola AA.Hammond GH. J. Chem. Phys. 1965, 43: 2129 -
6d
Kearns DR.Case WA. J. Am. Chem. Soc. 1966, 88: 5087 -
6e
Schimada R.Goodman L. J. Chem. Phys. 1965, 43: 2027 -
6f
Lower SK.El-Sayed MA. Chem. Rev. 1966, 66: 199 - 7
Buchta E.Egger H. Chem. Ber. 1957, 90: 2760 - 8
Liou J.-P.Chang J.-Y.Chang C.-W.Chang C.-Y.Mahindroo N.Kuo F.-M.Hsieh H.-P. J. Med. Chem. 2004, 47: 2897 - 9
Shiue J.-S.Lin M.-H.Fang J.-M. J. Org. Chem. 1997, 62: 4643 - 10
Appel B.Rotzoll S.Kranich R.Reinke H.Langer P. Eur. J. Org. Chem. 2006, 3638 - For reviews of site-selective palladium(0)-catalyzed cross-coupling reactions, see:
-
11a
Schröter S.Stock C.Bach T. Tetrahedron 2005, 61: 2245 -
11b
Schnürch M.Flasik R.Khan AF.Spina M.Mihovilovic MD.Stanetty P. Eur. J. Org. Chem. 2006, 3283 -
11c
Wang R.Manabe K. Synthesis 2009, 1405 - For Suzuki-Miyaura reactions of bis(triflates) of benzene derivatives and other arenes, see for example:
-
12a
Takeuchi M.Tuihiji T.Nishimura J. J. Org. Chem. 1993, 58: 7388 -
12b
Sugiura H.Nigorikawa Y.Saiki Y.Nakamura K.Yamaguchi M. J. Am. Chem. Soc. 2004, 126: 14858 -
12c
Akimoto K.Suzuki H.Kondo Y.Endo K.Akiba U.Aoyama Y.Hamada F. Tetrahedron 2007, 63: 6887 -
12d
Akimoto K.Kondo Y.Endo K.Yamada M.Aoyama Y.Hamada F. Tetrahedron Lett. 2008, 49: 7361 -
12e
Hosokawa S.Fumiyama H.Fukuda H.Fukuda T.Seki M.Tatsuta K. Tetrahedron Lett. 2007, 48: 7305 -
12f
Nawaz M.Adeel M.Ibad MF.Langer P. Synlett 2009, 2154 -
12g
Mahal A.Villinger A.Langer P. Synlett 2010, 1085 -
12h
Abid O.-U.-R.Ibad MF.Nawaz M.Ali A.Sher M.Rama NH.Villinger A.Langer P. Tetrahedron Lett. 2010, 51: 1541 -
12i
Akrawi OA.Hussain M.Langer P. Tetrahedron Lett. 2011, 52: 1093 - 13
Nawaz M.Khera RA.Malik I.Ibad FA.Villinger AM.Langer P. Synlett 2010, 979
References
Authors R.A.K. and M.N. contributed equally to this manuscript.
14CCDC-853438 (8) and CCDC-853439 (14c) contain all crystallographic details of this publication and are available free of charge at www.ccdc.cam.ac.uk/conts/retrieving.html or can be ordered from the following address: Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, UK; Fax: +44 (1223)336033; or email: deposit@ccdc.cam.ac.uk.