Scandium trifluoromethanesulfonate, an efficient catalyst for the intermolecular carbonyl-ene reaction and the intramolecular cyclisation of citronellal

Tetrahedron Letters

Volumn 39, Issue 14, 1998, Pages 1997-2000

  Aggarwal, Varinder K ^a   Vennall, Graham P ^a   Davey, Paul N ^a   Newman, Chris ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

CARBONYL DERIVATIVE; CITRONELLAL; MESYLIC ACID DERIVATIVE; SCANDIUM;

ARTICLE; CATALYSIS; CATALYST; CHEMICAL REACTION; CYCLIZATION; DIASTEREOISOMER; MOLECULAR INTERACTION; STOICHIOMETRY;

EID: 0032473814     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)00115-4     Document Type: Article

References (20)

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15. 4) to give the crude product. Further purification by flash chromatography [silica gel; 2% EtOAc/Petroleum (40-60)] gave the product as a colourless oil (166 mg, 0.68 mmol, 68%).
16. (13) In the absence of acetic anhydride a complex mixture of products was obtained.
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18. 3 to give a statistical mixture of mixed acylals but no equilibration occurs with the corresponding acylals of p-nitrobenzaldehyde or aliphatic aldehydes.
19. (16) Akutagawa, S. in 'Chirality in Industry', Collins, A.N.; Sheldrake, G.N.; Crosby, J. (Eds.) John Wiley, 1992, 313-323.
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