83379-03-7Relevant academic research and scientific papers
Diastereo- and enantioselective synthesis of trans-2,3-disubstituted 2,3-dihydropyran-4-one derivatives
Scettri, Arrigo,Acocella, Maria R.,Palombi, Laura,Scalera, Chiara,Villano, Rosaria,Massa, Antonio
, p. 2229 - 2236 (2007/10/03)
trans-Diastereoselective hetero-Diels-Alder reactions took place in the presence of SiCl4/ activator systems. The reactions of aldehydes with a derivative of Danishefsky's diene afforded the corresponding pyrones with high yields and diastereos
Asymmetric Hetero Diels-Alder Reaction Catalyzed by Stable and Easily Prepared CAB Catalyst
Gao, Quingzhi,Ishihara, Kazuaki,Maruyama, Tohru,Mouri, Makoto,Yamamoto, Hisashi
, p. 979 - 988 (2007/10/02)
A stable chiral (acyloxy)borane (CAB) complex is prepared in situ by mixing a tartaric acid derivative and arylboronic acids at room temperature.A solution of the catalyst is effective in catalyzing hetero Diels-Alder reactions to produce dihydropyrone derivatives of high optical purities.
Asymmetric Hetero Diels-Alder Reaction Catalyzed by Stable and Easily Prepared CAB Catalysts
Gao, Qingzhi,Maruyama, Tohru,Mouri, Makoto,Yamamoto, Hisashi
, p. 1951 - 1952 (2007/10/02)
A stable chiral (acyloxy)borane (CAB) complex is prepared in situ by mixing tartaric acid derivative and arylboric acid at room temperature.A solution of the catalyst is effective to catalyze hetero Diels-Alder reaction to produce dihydropyrone derivative
ELECTRONIC AND STERIC EFFECTS OF LEWIS ACIDIC ORGANOALUMINUM REAGENTS IN THE DIELS-ALDER REACTION
Maruoka, Keiji,Nonoshita, Katsumasa,Yamamoto, Hisashi
, p. 1453 - 1460 (2007/10/02)
The influence of electronic and steric effects of modified organoaluminum reagents to the stereoselectivity in the Diels-Alder and hetero-Diels-Alder reactions has been examined.
Chelation-Controlled Facially Selective Cyclocondensation Reactions of Chiral Alkoxy Aldehydes: Syntheses of a Mouse Androgen and of a Carbon-Linked Disaccharide
Danishefsky, Samuel J.,Pearson, William H.,Harvey, Daniel F.,Maring, Clarence J.,Springer, James P.
, p. 1256 - 1268 (2007/10/02)
Magnesium bromide in tetrahydrofuran catalyzes the cycloaddition of a variety of chiral alkoxy aldehydes with activated butadienes.The stereochemistry of these products is such that they can be rationalized as arising from a reacting conformer in which th
