A new method for the synthesis of mixed orthoesters from O-allyl acetals

Tetrahedron Letters

Volumn 50, Issue 11, 2009, Pages 1193-1195

  Krompiec, Stanisław ^a   Penczek, Robert ^a   Bujak, Piotr ^a   Kubik, Ewelina ^a   Malarz, Joanna ^a   Penkala, Mateusz ^a   Krompiec, Michał ^a   Kuźnik, Nikodem ^b   Maciejewski, Hieronim ^c  

^a UNIVERSITY OF SILESIA   (Poland)

^b SILESIAN UNIVERSITY OF TECHNOLOGY   (Poland)

^c ADAM MICKIEWICZ UNIVERSITY   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

ACETAL DERIVATIVE; ALLYL COMPOUND; ESTER DERIVATIVE; ISOXAZOLE DERIVATIVE; NITRILE; RUTHENIUM COMPLEX;

ADDITION REACTION; ARTICLE; CATALYST; CYCLOADDITION; ISOMERIZATION; METHODOLOGY; SYNTHESIS;

EID: 58849115854     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2008.12.110     Document Type: Article

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20. 3 (5 mol %) in a glass screw-capped ampoule, purged with argon, then tightly capped, were heated in an oil bath for the given period of time. Molar ratios of the reaction mixture components and the temperatures are shown in Figure ure1 and Schemes 1-3. The orthoester products were separated by distillation. When ROH was m-cresol, the excess was removed, before distillation, by extraction with 1 M NaOH.
21. IV). GC-MS (70 eV), m/z (int [%]): 216 (<1), 187 (6), 144 (12), 143 (69), 131 (60), 75 (70), 69 (52), 56 (100).