Lanthanide trifluoromethanesulfonates as reusable catalysts. Michael and Diels-Alder reactions

Tetrahedron Letters

Volumn 33, Issue 45, 1992, Pages 6815-6818

  Kobayashi, Shu ^a   Hachiya, Iwao ^a   Takahori, Takeshi ^a   Araki, Mitsuharu ^a   Ishitani, Haruro ^a  

^a TOKYO UNIVERSITY OF SCIENCE   (Japan)

Author keywords

Diels Alder reaction; lanthanide triflate; Michael reaction; reusable catalyst

Indexed keywords

KETONE; NORBORNENE DERIVATIVE; SILANE DERIVATIVE;

ARTICLE; CATALYSIS; PRIORITY JOURNAL; REACTION ANALYSIS; SYNTHESIS;

BETULACEAE;

EID: 0026486293     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)61783-5     Document Type: Article

References (29)

1. Lanthanide Trifluoromethanesulfonates as Stable Lewis Acids in Aqueous Media. Yb(OTf)3 Catalyzed Hydroxymethylation Reaction of Silyl Enol Ethers with Commercial Formaldehyde Solution.
2. THE NEW MICHAEL REACTION
3. The Michael Reaction of Silyl Enol Ethers with α,β-Unsaturated Eetones and Acetals in the Presence of Titanium Tetraalkoxide and Titanium Tetrachloride
4. THE MICHAEL TYPE REACTION OF O-SILYLATED KETENE ACETALS WITH α,β-UNSATURATED CARBONYL COMPOUNDS PROMOTED BY TITANIUM TETRACHLORIDE
5. The trityl perchlorate catalyzed Michael reaction.
6. A significant substituent effect on the stereochemistry of the trityl salt-catalyzed Michael reaction.
7. An essentially mild and efficient catalyst system for the activation of carbonyl compounds and their derivatives. The combined use of trimethylsilyl chloride and tin(II) chloride.
8. An efficient and extremely mild catalyst system, combined use of trityl chloride and tin(II) chloride, in the aldol and michael reactions.
9. Clay montmorillonite-catalysed Michael reactions of silyl ketene acetals and a silyl enol ether with ?,?-unsaturated carbonyl compounds
10. The Michaelf reaction of O-silylated ketene acetals with .ALPHA.,.BETA.-unsaturated esters promoted by a catalytic amount of aluminum triflate.
11. [1,2-Benzenediolato(2-)-O,O']oxotitanium. A mild and efficient catalyst for the Michael reaction of ketene silyl acetals with .ALPHA.,.BETA.-unsaturated ketones.
12. Totally Synthetic Routes to the Higher Monosaccharides
13. The stereoselective michael reaction between silyl enol ethers and .ALPHA.,.BETA.-unsaturated ketones by the use of trityl perchlorate as a catalyst.
14. Asymmetric Diels?Alder reaction catalysed by chiral alkoxyaluminium dichloride
15. Stereochemistry of the Diels?Alder reaction: steric effects of the dienophile on endo-selectivity