52 research outputs found

    Rusizmi u Apostolu Ohridskom

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    Rusizmi u Apostolu Ohridskom Apostol Ohridski, makedonski spomenik iz kraja 12. stoljeća, jedan je od najstarijih u leksičkom i gramatičkom smislu crkvenoslavenskih tekstova te vrste, koji su nam zasad poznati. Kao prijepis iz kraja 12. st. sadrži neologizme, prije svega glasovne promjene, uvjetovane makedonskom sredinom, u kojoj je napisan. Također obiluje mnogobrojnim pogreškama raznog karaktera

    Rusizmi u Apostolu Ohridskom

    Get PDF
    Rusizmi u Apostolu Ohridskom Apostol Ohridski, makedonski spomenik iz kraja 12. stoljeća, jedan je od najstarijih u leksičkom i gramatičkom smislu crkvenoslavenskih tekstova te vrste, koji su nam zasad poznati. Kao prijepis iz kraja 12. st. sadrži neologizme, prije svega glasovne promjene, uvjetovane makedonskom sredinom, u kojoj je napisan. Također obiluje mnogobrojnim pogreškama raznog karaktera

    2,8'-Disubstituted-1,1'-Binaphthyls:A New Pattern in Chiral Ligands

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    The title binaphthyls 19 and 26, which are the positional isomers of 2-methoxy-2'-(diphenylphosphino)-1,1'-binaphthyl (MOP, 19) and 2-amino-2'-hydroxy-1,1'-binaphthyl (NOBIN, 26), have been synthesized by Suzuki coupling as the key step (10 + 15→18), followed by functional group transformations, involving C-P and C-N bond formation (18→19 and 18→23). Racemic intermediate 22 was resolved by cocrystallization with N-benzylcinchonidinium chloride and the absolute configuration determined by X-ray crystallography. These novel binaphthyls are configurationally stable and, as such, potentially usable as chiral ligands in asymmetric reactions. Michael addition of the glycine-derived enolate 40 to methyl acrylate, carried out in the presence of (R)-(-)-27 as the chiral phase-transfer catalyst, afforded L-glutamic acid (S)-(+)-43 of 92% ee (after hydrolysis of the primary product)

    Chyby kapalinových kondenzátorů

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