By Wladyslaw Miodunka

ISBN-10: 8324206337

ISBN-13: 9788324206339

Point A1 "Czesc, jak si masz?" half 1: "Spotykamy sie w Polsce" is the 1st communicative coursebook of Polish for point A1. It comprises thirteen lesson devices. each one lesson includes passages in Polish with a Polish-English thesaurus, a vocabulary chart, grammar and communique notes in English, in addition to routines in grammar and oral verbal exchange. The coursebook offers information regarding Polish tradition, e.g. the most important towns, nation-states, Polish humans and the Polish diaspora, Polish vacations, eminent Poles. The publication ends with a try of Polish (in listening and analyzing comprehension, writing and talking) at point A1. subsequent within the sequence is the coursebook for point A2. "Czesc, jak sie masz" half II: "Spotkajmy sie w Europie"

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And Cosstick, R. (1996) Synthesis and structure of S-nucleosidyl S-aryl disulfides and their reaction with phosphites. Tetrahedron 52, 1027–1034. , Fettes, K. , O’Neil, I. , and Cosstick, R. (2004) Synthesis of phosphorothioamidites derived from 3 -thio-3 -deoxythymidine and 3 -thio2 ,3 -dideoxycytidine and the automated synthesis of oligodeoxy-nucleotides containing a 3 -S-phosphorothiolate linkage. Nucleic Acids Res. 32, 495–501. Gaynor, J. , Piperakis, M. , and Cosstick, R. (2010) Reverse-direction (5 →3 ) synthesis of oligonucleotides containing a3 -S-phosphorothiolate linkage and 3 -terminal 3 -thionucleosides.

2. 4-N-Benzoyl-3 O-benzyl-5 -O-tertbutyldiphenylsily-5methyl-2 -O,4 -C(methyleneoxymethylene) cytidine, 11 1. 5 h. After addition of 28% aqueous ammonia solution, further stir the mixture at room temperature for 1 h. 2. After removal of the solvent under reduced pressure, extract the mixture with ethyl acetate. Wash the organic extracts with water and brine, dry over sodium sulfate, and concentrate under reduced pressure. 40 g, 87%). White powder; mp 56–58◦ C. 30 (2H, m). MS (FAB): m/z 732 (MH+ ).

72 (1H, brs). MS (FAB): m/z 692 (MH+ ). 7. 4-N-Benzoyl-3 O-[2-cyanoethoxy (diisopropylamino) phosphino]-5 -O-(4,4 dimethoxytrityl)-2 O,4 -C-(methyleneoxymethylene)cytidine, 22 1. 66 mmol) in anhydrous acetonitrile (20 mL) at room temperature and stir the mixture at room temperature for 20 h (see Note 6). 2. 43 mmol) and further stir the mixture for 6 h. 3. After addition of saturated aqueous sodium bicarbonate solution, extract the mixture with ethyl acetate. Wash the organic extracts with water and brine, dry over sodium sulfate, and concentrate under reduced pressure.

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Cześć, jak się masz? Spotykamy się w Polsce (Bk.1) - Polish Intro Coursebook by Wladyslaw Miodunka


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