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Synlett 2005(9): 1471-1473
DOI: 10.1055/s-2005-868522
DOI: 10.1055/s-2005-868522
LETTER
© Georg Thieme Verlag Stuttgart · New York
B(C6F5)3-Catalyzed Synthesis of β-Keto Enol Ethers from β-Diketones [1]
Further Information
Received
21 February 2005
Publication Date:
02 May 2005 (online)
Publication History
Publication Date:
02 May 2005 (online)
Abstract
Efficient and practical synthesis of β-keto enol ethers from diketones catalyzed by B(C6F5)3 at room temperature has been described.
Key words
etherification - cyclic β-diketones - β-keto enol ethers - tris(pentafluorophenyl)boron
IICT Communication No. 050405.
-
2a
Marshall DR.Roberts TR. J. Chem. Soc. 1971, 797 -
2b
House HO.Rasmusson GH. J. Org. Chem. 1963, 28: 27 -
2c
Takahashi K.Tanaka T.Suzuki T.Hirama M. Tetrahedron 1994, 50: 1327 -
3a
Demir AS.Sesenoglu O. Org. Lett. 2002, 4: 2021 -
3b
Chen BC.Weismiller MC.Davis FA. Tetrahedron 1991, 47: 173 -
4a
Robert AWJ.Rose ME. Tetrahedron 1979, 35: 2169 -
4b
Brosa C.Malet C.Amezaga J. J. Org. Chem. 1989, 54: 3984 -
5a
Iversion T.Bundle DR. J. Chem. Soc., Chem. Commun. 1981, 1240 -
5b
White JD.Reddy GN.Spessard GD. J. Am. Chem. Soc. 1988, 110: 1624 - 6
Zimmerman HE.Wang PA. J. Am. Chem. Soc. 1993, 115: 2205 -
7a
Mphahlele MJ.Modro TA. J. Org. Chem. 1995, 60: 8236 -
7b
Nelson PH.Nelson JT. Synthesis 1992, 1287 - 8
Clerici A.Pastori N.Porta O. Tetrahedron 2001, 57: 217 - 9
Bhosale RS.Bhosale SV.Bhosale SV.Wang T.Zubaidha PK. Tetrahedron Lett. 2004, 45: 7187 - 10
Blackwell JM.Piers WE.Parvez M. Org. Lett. 2000, 2: 695 - 11
Blackwell JM.Sonmor ER.Scoccitti T.Piers E. Org. Lett. 2000, 2: 3921 - 12
Parks DJ.Piers WE. J. Am. Chem. Soc. 1996, 118: 9440 - 13
Rubin M.Gevorgyan V. Org. Lett. 2001, 3: 2705 - 14
Chandrasekhar S.Raji Reddy CH.Nagendra Babu B.Sekhar GC. Tetrahedron Lett. 2002, 43: 3801 - 15
Chandrasekhar S.Raji Reddy CH.Nagendra Babu B. J. Org. Chem. 2002, 67: 9080 - 16
Chandrasekhar S.Chandrasekhar G.Nagendra Babu B.Vijeender K. Tetrahedron Lett. 2004, 45: 5497
References
IICT Communication No. 050405.