Ureas: New efficient Lewis base catalysts for the allylation of aldehydes

Tetrahedron Letters

Volumn 40, Issue 18, 1999, Pages 3633-3634

  Chataigner, Isabelle ^a   Piarulli, Umberto ^b   Gennari, Cesare ^a  

^a CNR   (Italy)

^b UNIVERSITY OF INSUBRIA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ALDEHYDE; BASE; SILANE DERIVATIVE; SILVER; UREA DERIVATIVE;

ARTICLE; CATALYSIS; CATALYST; CHEMICAL REACTION; CHEMICAL STRUCTURE; REACTION ANALYSIS;

EID: 0033617135     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(99)00493-1     Document Type: Article

References (12)

1. [1] (a) Yamamoto Y, Asao N. Chem. Rev. 1993; 93: 2207.
2. (b) Roush WR. Comprehensive Organic Synthesis, Vol. 2, Trost & Fleming, Eds., Pergamon, Oxford, 1990, 1-53.
3. [2] Short JD, Attenoux S, Berrisford DJ. Tetrahedron Lett. 1997; 38: 2351.
4. [3] (a) Denmark SE, Coe DM, Pratt NE, Griedel BD. J. Org. Chem. 1994; 59: 6161.
5. (b) Iseki K, Kuroki Y, Takahashi M, Kobayashi Y. Tetrahedron Lett. 1996; 37: 5149.
6. [4] Nakajima M, Saito M, Shiro M, Hashimoto SI. J. Am. Chem. Soc. 1998; 120: 6419.
7. [5] (a) Kobayashi S, Nishio KJ. Org. Chem. 1994; 59: 6620.
8. (b) Iseki K, Mizuno S, Kuroki Y, Kobayashi Y. Tetrahedron Lett. 1998; 39: 2767.
9. (c) Iseki K, Mizuno S, Kuroki Y, Kobayashi Y. Tetrahedron 1999; 55: 977.
10. [6] (a) Gamez P, Dunjic B, Lemaire M. J. Org. Chem. 199; 61: 5196.
11. (b) Halle R, Breheret A, Schultz E, Pinel C, Lemaire M. Tetrahedron:Asymmetry 1997; 8: 2101.
12. 2, quenched with a KF aqueous solution and filtered on celite to remove the silver salts. After extraction, the organic phase was washed with water and brine. The reaction products were purified by flash chromatography on silica gel.