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Showing 1 to 2 of 2 for “"NITRILIMINES"”.
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ΜΕΛΕΤΗ ΑΝΤΙΔΡΑΣΕΩΝ 1,3-ΔΙΠΟΛΙΚΗΣ ΚΥΚΛΟΠΡΟΣΘΗΚΗΣ ΣΕ ΕΤΕΡΟΚΥΚΛΙΚΑ ΣΥΣΤΗΜΑΤΑ
… PHENYL-4-ARYLIDENE-5(4H)-OXAZOLONES REACT WITH NITRILIMINES AND (Z)-2-PHENYL-4-ARYLIDENE-5(4H)-THIAZOLONES WITH STABLE NITRILE OXIDES AND NITRILIMINES TO AFFORD SPIRO CYCLOADDUCTS, BY ADDITION OF THE DIPOLE ON THE EXOCYCLIC DOUBLE BOND. THE REACTIONS ARE STEREOSPECIFIC AND REGIOSELECTIVE, GIVING …
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ΜΕΛΕΤΗ ΑΝΤΙΔΡΑΣΕΩΝ ΠΡΟΣΘΗΚΗΣ ΠΥΡΑΖΟΛΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ ΜΕ 1, 3-ΔΙΠΟΛΑ ΚΑΙ ΚΕΤΕΝΕΣ
… OF PYRAZOLES DERIVATIVES WITH NITRILOXIDES, NITRILIMINESAND KETENES. NON AROMATIC METHYLENE- PYRAZOLES IN PRESENCE OF NITRILOXIDE AND NITRILIMINES UNDERGO STEREOSELECTIVELY 1,3-DIPOLAR CYCLOADDITION, IN PRESENCE OF DIPHENYLNETENE THE CORRESPONDING 1-DIPHENYL-ACETYL (3,3-DIPHENYL- …