Hydrogenation was only the beginning: Hantzsch esters have now been used to transfer alkyl groups to imines under mild catalytic conditions to provide a variety of amines (see scheme). Benzyl, secondary alkyl, and tertiary alkyl groups containing ether, ester, and hydroxy functionalities were transferred successfully. The use of Hantzsch esters as alkylation reagents offers a practical and complementary alternative to organometallic processes. Copyright
Highly enantioselective hydrosilylation of N-(1,2-diarylethylidene) arylamines
By employing a chiral Lewis base as the catalyst, enantioselective hydrosilylation of N-(1,2-diarylethylidene)arylamines was realized. The reactions proceeded smoothly to afford various chiral 1,2-diarylethanamines with good yields (up to 99%) in good ena
Regioselective domino metathesis of unsymmetrical 7-oxanorbornenes with electron-rich vinyl acetate toward biologically active glutamate analogues
In this article a regioselective domino metathesis reaction of unsymmetrical 7-oxanorbornenes, readily available by a tandem Ugi/Diels-Alder reaction as a key step, promoted by the Hoveyda-Grubbs second-generation catalyst in the presence of electron-rich
Oikawa, Masato,Ikoma, Minoru,Sasaki, Makoto,Gill, Martin B.,Swanson, Geoffrey T.,Shimamoto, Keiko,Sakai, Ryuichi
experimental part
p. 5531 - 5548
(2010/02/28)
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