M. Lubbe

发表

Synthesis of 6-formylsalicylates based on regioselective [3+3] cyclocondensations of 1,3-bis(silyloxy)-1,3-butadienes with 1,1-dichloro-4-ethoxy-3-buten-2-ones

V. Karapetyan, P. Langer, A. Villinger, 2009 .

First synthesis of 4-(arylsulfonyl)phenols by regioselective [3+3] cyclocondensations of 1,3-bis(silyloxy)-1,3-butadienes with 2-arylsulfonyl-3-ethoxy-2-en-1-ones

P. Langer, H. Reinke, Abdolmajid Riahi, 2008, Tetrahedron Letters.

Regioselective synthesis of 5-ethoxycarbonyl-, 5-acetyl- and 5-trifluoroacetyl-6-trifluoromethylsalicylates by one-pot cyclizations of 1,3-bis(trimethylsilyloxy)-1,3-butadienes with 3-alkoxy-2-alken-1-ones

P. Langer, H. Feist, M. Lubbe, 2012 .

Competing Regiodirecting Effects of Ester and Aryl Groups in [3+3] Cyclocondensations of 1,3-Bis(trimethylsilyloxy)-1,3-butadienes: Regioselective Synthesis of 3-Hydroxyphthalates and 2-Hydroxyterephthalates

P. Langer, C. Fischer, A. Villinger, 2010 .

Synthesis of 7-hydroxy-2-(2-hydroxybenzoyl)benzo[c]chromen-6-ones by sequential application of domino reactions of 1,3-bis(silyl enol ethers) with benzopyrylium triflates

P. Langer, Bettina Appel, C. Fischer, 2006 .

Regioselective synthesis of 3-(methylthio)phenols by formal [3+3]-cyclocondensations of 3-oxo-bis(methylthio)ketenacetals with 1,3-bis(trimethylsilyloxy)-1,3-butadienes and 1,3-dicarbonyl dianions ☆

P. Langer, C. Fischer, A. Villinger, 2013 .

Diversity-oriented synthesis of 1-hydroxy-2,4-benzodioates by regioselective [3+3] cyclocondensations of 1,3-bis(silyloxy)-1,3-butadienes with 3-alkoxy- and 3-silyloxy-2-alkoxycarbonyl-2-en-1-ones.

P. Langer, Ibrar Hussain, C. Fischer, 2009, Organic & biomolecular chemistry.

Regioselective synthesis of salicylates and acetophenones by formal [3+3]-cyclocondensations of 3-oxoorthoesters with 1,3-bis(trimethylsilyloxy)-1,3-butadienes

P. Langer, A. Villinger, H. Feist, 2020 .

Synthesis of 3-hydroxy-5-alkoxyhomophthalates by domino '2 : 1-coupling/intramolecular aldol condensation' reactions of 1,3-bis(trimethylsilyloxy)-1,3-butadienes with tetraalkoxymethanes.

P. Langer, M. Lubbe, 2010, Organic & biomolecular chemistry.

Synthesis of 7-Hydroxy-2-(2-hydroxybenzoyl)benzo[c]chromen-6-ones by Sequential Application of Domino Reactions of 1,3-Bis(silyl enol ethers) with Benzopyrylium Triflates.

P. Langer, Bettina Appel, C. Fischer, 2007 .

Regioselective synthesis of 4-alkyl- and 4-aryl-6-(perfluoroalkyl)salicylic acid derivatives by formal [3+3] cyclocondensation of 1,3-bis(silyloxy)-1,3-butadienes with 3-silyloxy-1-(perfluoroalkyl)prop-2-en-1-ones

P. Langer, C. Fischer, H. Reinke, 2008 .

Synthesis of 6-(perfluoroalkyl)salicylates by [3+3] cyclization of 1,3-bis(silyl enol ethers) with 3-ethoxy-1-(perfluoroalkyl)prop-2-en-1-ones

P. Langer, C. Fischer, C. Mamat, 2007 .

Synthesis of trifluoromethyl-substituted arenes, cyclohexenones and pyran-4-ones by cyclocondensation of 1,3-bis(silyloxy)-1,3-butadienes with 4,4-dimethoxy-1,1,1-trifluorobut-3-en-2-one: influence of the lewis acid on the product distribution.

P. Langer, S. Reimann, A. Spannenberg, 2009, The Journal of organic chemistry.

First synthesis of functionalized 5-aryl-3-(trifluoromethyl)phenols by regioselective [3+3] cyclocondensations of 1,3-bis(silyloxy)-1,3-butadienes with 3-aryl-3-silyloxy-1-trifluoromethyl-2-en-1-ones

P. Langer, Ibrar Hussain, C. Fischer, 2009 .