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Synthesis 2006(17): 2865-2872
DOI: 10.1055/s-2006-942536
DOI: 10.1055/s-2006-942536
PAPER
© Georg Thieme Verlag Stuttgart · New York
Synthesis of 4-Alkyl- and 4-(ω-Chloroalkyl)-3-hydroxy-5-alkylidenebutenolides Based On Cyclizations of 4-Alkyl- and 4-(ω-Chloroalkyl)-1,3-bis(trimethylsilyloxy)buta-1,3-dienes with Oxalyl Chloride
Further Information
Received
10 March 2006
Publication Date:
02 August 2006 (online)
Publication History
Publication Date:
02 August 2006 (online)
Abstract
4-Alkyl- and 4-(ω-chloroalkyl)-1,3-bis(trimethylsilyloxy)buta-1,3-dienes were prepared from ethyl acetoacetate in three steps. Their cyclization with oxalyl chloride allowed an efficient synthesis of 4-alkyl- and 4-(ω-chloroalkyl)-5-alkylidenebutenolides.
Key words
butenolides - cyclizations - O-heterocycles - silyl enol ethers
- 1 For a review of 1,3-bis-silyl enol ethers, see:
Langer P. Synthesis 2002, 441 -
2a
Chan T.-H.Brownbridge P. J. Am. Chem. Soc. 1980, 102: 3534 -
2b
Simoneau B.Brassard P. Tetrahedron 1986, 14: 3767 -
2c
Molander GA.Cameron KO. J. Am. Chem. Soc. 1993, 115: 830 -
3a
Langer P.Stoll M. Angew. Chem. Int. Ed. 1999, 38: 1803 ; Angew. Chem. 1999, 111, 1919 -
3b
Langer P.Schneider T.Stoll M. Chem. Eur. J. 2000, 6: 3204 -
3c
Langer P.Eckardt T.Schneider T.Göbel C.Herbst-Irmer R. J. Org. Chem. 2001, 66: 2222 -
3d
Langer P.Eckardt T.Stoll M.Karimé I.Müller P.Saleh NNR. Eur. J. Org. Chem. 2001, 3657 -
3e
Ahmed Z.Langer P. J. Org. Chem. 2004, 69: 3753 -
3f
Bose G.Langer P. Synlett 2005, 1021 -
3g
Ahmed Z.Langer P. Tetrahedron 2005, 61: 2055 - 4
Desage-El Murr M.Nowaczyk S.Le Gall T.Mioskowski C.Amekraz B.Moulin C. Angew. Chem. Int. Ed. 2003, 42: 1289 ; Angew. Chem. 2003, 115, 1327 -
5a
Holker JS.O’Brien E.Moore RN.Vederas JC. J. Chem. Soc., Chem. Commun. 1983, 192 -
5b
Holker JS.Kaneda M.Ramer SE.Vederas JC. J. Chem. Soc., Chem. Commun. 1987, 1099 - 6
Langer P.Bellur E. J. Org. Chem. 2003, 68: 9742 -
7a
Bose G.Nguyen VTH.Ullah E.Lahiri S.Görls H.Langer P. J. Org. Chem. 2004, 69: 9128 -
7b
Bellur E.Görls H.Langer P. Eur. J. Org. Chem. 2005, 2074 -
7c
Nguyen VTH.Langer P. Tetrahedron Lett. 2005, 46: 815 -
7d
Nguyen VTH.Bellur E.Appel B.Langer P. Synthesis 2006, 1103 -
8a
Clemo NG.Gedge DR.Pattenden G. J. Chem. Soc., Perkin Trans. 1 1981, 1448 -
8b
Gill GB.James GD.Gates KV.Pattenden G. J. Chem. Soc., Perkin Trans. 1 1993, 2567 - 9
Huckin SN.Weiler L. Can. J. Chem. 1974, 52: 1343 - 10
Katritzky AR.Wang Z.Wang M.Wilkerson CR.Hall CD.Akhmedov NG. J. Org. Chem. 2004, 69: 6617 - 11
Sekiyama Y.Fujimoto Y.Hasumi K.Endo A. J. Org. Chem. 2001, 66: 5649 -
12a
Sato T.Itoh T.Fujisawa T. Chem. Lett. 1982, 1559 -
12b
Liang JC.Cross JO. Mol. Cryst. Liq. Cryst. 1986, 132: 123 -
13a
Matsuo K.Kitaguchi I.Takata Y.Tanaka K. Chem. Pharm. Bull. 1980, 28: 2494 -
13b
Doleschall G.Seres P.Kovacs A. J. Chem. Res., Miniprint 1991, 2: 324 - 14
Augelli-Szafran CE.Blankley CJ.Roth BD.Trivedi BK.Bousley RF. J. Med. Chem. 1993, 36: 2943