John Wiley & Sons, Ltd.ChemInformThe aza–ene or the Michael addition? Examination of an unusual substituent effect on the reaction of heterocyclic ketene aminals with ethyl propiolate[J] . Mei-Xin Zhao,Mei-Xiang Wang,Zhi-Tang Huang.Tetrahedron . 2002 (7)...
Mei-Xin Zhao,Mei-Xiang Wang,Zhi-Tang Huang.The aza-ene or the Michael addition? Examination of an unusual substituent effect on the reaction of heterocyclic ketene aminals with ethyl propiolate.Tetrahedron. 2002Mei-Xin Zhao,Mei-Xiang Wang,Zhi-Tang Huang.The aza-ene or the Michael addition?
ARYLOXY-ARYTHIO-HETERARYLOXY-HETEROARYLTHIO-ALKENYLENE DERIVATIVES OF AMINESAryloxy- and heteroaryloxy-alkylene derivatives of amines of formula wherein each of A and B is a group of formula (i) to (iii): wherein Y is -O-, -S- or -NR- in which R is hydrogen or C1-C6 alkyl; ...
Towards a revision and phylogeny of the genera Heteranassa (Smith 1899), Elousa (Walker 1857) and Coxina (Guene 852)Akito Kawahara
On the distributions of components sums of squares in one-way unbalanced random model under heter06ene0us error variancesNegative estimatesUnbalanced random model and variance componentsExact sampling distributions of sums of squares in the unbalanced one-way random model are obtained under heterogeneous ...