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Optimal conditions were developed for the synthesis of 11H-isoindolo[2,1-a]benzimidazol-11-one, 5H-isoindolo[2,1-a][3,1]benzoxazine-5,11(6aH)-dione, and 6,6a-dihydroisoindolo[2,1-a]quinazoline-5,11-dione derivatives in the reaction of substituted 2-formylbenzoic acids with o-phenylenediamine, anthranilic acid, and anthranilamide, respectively. The bifolded structure of 6,6a-dihydroisoindolo-[1,2-a...
Studies of entrepreneurship established as a scientific discipline quite recently, although its phenomenon has been investigated since XVII-XVIII centuries in Europe (R. Cantillon, A.Smith, J.B.Say), and since early XX century in the USA (F.Walker, F.Knight). The fundamental work by J.Schumpeter 'The Theory of Economic Development' appeared when it had been commonly recognized that the new phase of...
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