(R)-Methyl {[(2-carboxybicyclo[2.2.2]octan-1-yl)ammonio]methyl}phosphonate dichloromethane 0.25-solvate

by Petar Todorov, Monique Calmes, Boris L. Shivachev, Rosica P. Nikolova
Published 2011-08-01

Experimental and theoretical investigation of the structure and nucleophilic properties of 4-aminocoumarin

by Emil Popovski, Bistra Stamboliyska, Voislava Janevska, Boris Shivachev, Rosica P. Nikolova, Goran Stojkovic, Bozhna Mikhova
Published 2010-07-01

Synthesis of 1,2,3,4-substituted spiroheterocyclic tetrahydroisoquinoline-1-ones and their structural similarity in water solution and in crystallohydrate solid state

by Malinka P. Stoyanova, Silvia E. Angelova, Petar Y. Petrov, Rosica P. Nikolova, Boris L. Shivachev
Published 2010-05-01

Synthesis and structure of (<i>R,S</i>)-2-methyl-4-(4-nitrophenyl)-pyrano[3,2-c]chromen-5(4<i>H</i>)-one

by Rosica P. Nikolova, Boris Shivachev, Bozhana Mikhova, Bistra Stamboliyska, Kristina Mladenovska, Ana P. Panovska, Emil Popovski
Published 2012-12-01