Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Xiaojing Zhang"'
Publikováno v:
Organic letters. 19(1)
A short and efficient synthesis of (S)-N-Boc-2,6-dimethyltyrosine utilizing palladium-catalyzed directed C–H functionalization is described. This represents the first general method for the ortho-dimethylation of tyrosine derivatives and offers a p
Publikováno v:
Organic Letters. 11:5250-5253
A CuI-catalyzed coupling reaction of aryl iodides and sulfur powder takes place in the presence of K(2)CO(3) at 90 degrees C. The coupling mixture is directly treated with NaBH(4) or triphenylphosphine to afford aryl thiols in good to excellent yield
Publikováno v:
Organic letters. 11(6)
CuI/l-proline catalyzed coupling of 2-bromobenzamides and terminal alkynes in i-PrOH (or DMF and DMSO) at 85-110 degrees C and subsequent additive cyclization produces substituted 3-methyleneisoindolin-1-ones. Variation of N-substituents, aromatic ri
Publikováno v:
Organic letters. 10(12)
The diarylprolinol ether/HOAc-catalyzed cascade Michael addition and cyclization of aldehydes and alpha-keto-alpha,beta-unsaturated esters proceeds smoothly in water to afford cyclic hemiacetals, which are oxidized to furnish highly functionalized 3,
Publikováno v:
Organic Letters; Jan2017, Vol. 19 Issue 1, p246-249, 4p
Publikováno v:
Organic Letters; Mar2009, Vol. 11 Issue 6, p1309-1312, 4p
Enantioselective Assembly of Substituted Dihydropyrones via Organocatalytic Reaction in Water Media.
Publikováno v:
Organic Letters; May2008, Vol. 10 Issue 12, p2561-2564, 4p