Addition of activated olefins to cyclic N-acyliminium ions in ionic liquids

Tetrahedron Letters

Volumn 47, Issue 10, 2006, Pages 1669-1672

  Pilli, Ronaldo Aloise ^a   Robello, Luís Gustavo ^a   Camilo, Nilton Soares ^a   Dupont, Jairton ^b   Moreira Lapis, Alexandre Augusto ^b   Da Silveira Neto, Brenno A ^b  

^a UNIVERSITY OF CAMPINAS   (Brazil)

^b FEDERAL UNIVERSITY OF RIO GRANDE DO SUL   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

ACETAL DERIVATIVE; ALKENE; ALLYLTRIMETHYLSILANE; CYCLIC N ACYLIMINIUM ION; ETHER DERIVATIVE; IONIC LIQUID; KETENE SILYL ACETAL; LEWIS ACID; SILYL ETHER; UNCLASSIFIED DRUG;

ACIDITY; ALLYLATION; ARTICLE; CHEMICAL ANALYSIS; CHEMICAL REACTION; CHEMICAL STRUCTURE; ROOM TEMPERATURE; SYNTHESIS;

EID: 31944438136     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.12.102     Document Type: Article

References (22)

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18. 4 (2c ) was prepared according to the procedure previously reported in the literature (Ref. 11).
19. 4. After filtration, the solvent was evaporated under reduced pressure and the residue was chromatographed on silica gel (10% ethyl acetate/hexanes) to afford 4 in 80% yield.
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22. For clarity, only the structures of the major diastereoisomers erythro-13 and erythro-14 are depicted in Table 3. Data for erythro-13, see Ref. 2b. Data for erythro-14, see Ref. 4.