Collect. Czech. Chem. Commun. 1963, 28, 1060-1062
https://doi.org/10.1135/cccc19631060

Reactions of dimethylformamide acetals with some heterocyclic systems

J. Žemlička

Individual author index pages


Other CCCC articles of these authors

  • J. Žemlička
    Nucleic acid components and their analogues. CXXXII. Alkylation of some nucleic acid components and their analogues with dimethylformamide acetals
    1970, Vol. 35, Issue 12, pp. 3572–3583 [Abstract]
  • V. Gut, S. Chládek and J. Žemlička
    Aminoacyl derivatives of nucleosides, nucleotides, and polynucleotides. XI. The use of 5-chloro-8-hydroxyquinoline (chloroxine) esters in the selective acylation of nucleoside and oligonucleotide aminoacyl derivatives
    1970, Vol. 35, Issue 8, pp. 2398–2407 [Abstract]
  • S. Chládek, P. Pulkrábek, J. Sonnenbichler, J. Žemlička and I. Rychlík
    Aminoacyl derivatives of nucleosides, nucleotides, and polynucleotides. X. Synthesis of adenosine 2'(3')-O-aminoacyl and 2',3'-O-bisaminoacyl derivatives
    1970, Vol. 35, Issue 8, pp. 2296–2313 [Abstract]
  • S. Chládek and J. Žemlička
    Aminoacyl derivatives of nucleosides, nucleotides, and polynucleotides. IX. The preparation of cytidylyl-(3'→5')-2'(3')-O-(L-lysylglycyl)adenosine and cytidyl-(3'→5')-2'(3')-O-(N-acetylglycyl)adenosine
    1970, Vol. 35, Issue 1, pp. 89–95 [Abstract]
  • A. Holý and J. Žemlička
    Oligonucleotidic compounds. XXXV. Reaction of diribonucleoside phosphates with dimethylformamide acetals
    1969, Vol. 34, Issue 12, pp. 3921–3935 [Abstract]
  • J. Žemlička, S. Chládek, Z. Haladová and I. Rychlík
    Aminoacyl derivatives of nucleosides, nucleotides and polynucleotides. VIII. The preparation of 2'(3')-O-L-phenylalanyluridine, -cytidine, -adenosine, -inosine, -guanosine and 2'-deoxy-3'-O-L-phenylalanyladenosine
    1969, Vol. 34, Issue 12, pp. 3755–3768 [Abstract]
  • A. Holý and J. Žemlička
    Oligonucleotidic compounds. XXXIII. A study on hydrolysis of N-dimethylaminomethylenecytidine, -adenosine, -guanosine, and related 2'-deoxy compounds
    1969, Vol. 34, Issue 8, pp. 2449–2458 [Abstract]
  • J. Žemlička and S. Chládek
    Aminoacyl derivatives of nucleosides, nucleotides, and polynucleotides. VI. Phosphonic analogues of 2'(3')-O-aminoacyl ribonucleosides: Synthesis of 2'(3' )-O-(R,S)-(1-aminoethane-1-phosphonyl)- and 2'(3')-O-(R,S)-(1-amino-2-phenylethane-1-phosphonyl)adenosine
    1969, Vol. 34, Issue 3, pp. 1007–1014 [Abstract]
  • A. Holý, S. Chládek and J. Žemlička
    Oligonucleotidic compounds. XXIX. Reactions of ribonucleoside 2'(3')-phosphates with dimethylformamide acetals
    1969, Vol. 34, Issue 1, pp. 253–271 [Abstract]
  • S. Chládek and J. Žemlička
    Aminoacyl derivatives of nucleosides, nucleotides, and polynucleotides. V. Preparation of 2'(3')-O-(L-valylglycyl)-, 2'(3')-O-(L-lysylglycyl)-, and 2'(3')-O-(N-acetylglycyl)adenosine with the use of 2',3'-O-aminomethylethoxymethyleneadenosine as the key intermediate
    1968, Vol. 33, Issue 12, pp. 4299–4314 [Abstract]
  • J. Žemlička
    Nucleic acid components and their analogues. CXVI. Formation of N3,5'-cyclonucleosides in the reaction of xanthosine with dimethylformamide acetals
    1968, Vol. 33, Issue 11, pp. 3796–3802 [Abstract]
  • J. Žemlička and S. Chládek
    Aminoacyl derivatives of nucleosides, nucleotides and polynucleotides. IV. Synthesis of 2'(3')-O-glycyladenosine 5'-triphosphate and 5'-pyrophosphate
    1968, Vol. 33, Issue 10, pp. 3293–3303 [Abstract]
  • S. Chládek and J. Žemlička
    Aminoacyl derivatives of nucleosides, nucleotides, and polynucleotides. III. Reaction of N-benzyloxycarbonylglycine ethyl orthoester with uridylyl-(3'→5')-uridine or cytidylyl-(3'→5')-adenosine; An alternate approach to the synthesis of 2'(3')-O-glycyl diribonucleoside phosphates
    1968, Vol. 33, Issue 1, pp. 232–241 [Abstract]
  • J. Žemlička and A. Holý
    Preparation of N-dimethylaminomethylene derivatives - A new method of a selective substitution of nucleoside amino groups
    1967, Vol. 32, Issue 9, pp. 3159–3168 [Abstract]
  • S. Chládek and J. Žemlička
    Aminoacyl derivatives of nucleosides, nucleotides and polynucleotides. II. Synthesis of the 2'(3')-O-glycyl derivatives of uridylyl-(3'→5')-uridine, cytidylyl-(3'→5')-adenosine, and uridylyl-(3'→5')-adenosine using the corresponding ribonucleoside 2',3'-cyclic orthoesters as the key intermediates
    1967, Vol. 32, Issue 5, pp. 1776–1789 [Abstract]
  • J. Žemlička
    Nucleic acids components and their analogues. XCII. The preparation of 2',3'-O-isopropylidene-O2-5'-cyclocytidine methanesulfonate
    1967, Vol. 32, Issue 4, pp. 1646–1649 [Abstract]
  • J. Žemlička and F. Šorm
    Nucleic acids components and their analogues. LXXXIX. Synthesis of 2',3'-O-isopropylidene-O2,5'-cyclo-6-azauridine and 2-(β-D-ribofuranosyl)-3-amino-4,5-dihydro-1,2,4-triazine-3-one (6-azaisocytidine)
    1967, Vol. 32, Issue 2, pp. 576–590 [Abstract]
  • J. Žemlička and S. Chládek
    Aminoacyl derivatives of nucleosides, nucleotides and polynucleotides. I. Synthesis of 2'(3')-O-glycyl ribonucleosides and ribonucleoside 5'-phosphates via intermediates of the orthoester type
    1966, Vol. 31, Issue 9, pp. 3775–3789 [Abstract]
  • J. Žemlička, S. Chládek, A. Holý and J. Smrt
    Oligonucleotidic compounds. XIV. Synthesis of some diribonucleoside phosphates using the N-dimethylaminomethylene derivatives of 2',3'-O-ethoxymethylene ribonucleosides
    1966, Vol. 31, Issue 8, pp. 3198–3212 [Abstract]
  • S. Chládek, J. Žemlička and F. Šorm
    Oligonucleotidic compounds. XII. Synthesis of cytidylyl-(3'→5')-cytidylyl-(3'→5')-adenosine (CpCpA), an acceptor sequence of soluble ribonucleic acid
    1966, Vol. 31, Issue 4, pp. 1785–1802 [Abstract]
  • J. Žemlička and F. Šorm
    Nucleic acids components and their analogues. LXI. The reaction of dimethylchloromethyleneammonium chloride with the 2',3',5'-tri-O-acyl derivatives of uridine and 6-azauridine; A new synthesis of 6-azacytidine
    1965, Vol. 30, Issue 6, pp. 2052–2067 [Abstract]
  • J. Žemlička and F. Šorm
    Nucleic acids components and their analogues. LX. The reaction of dimethylchloromethyleneammonium chloride with 2',3',5'-tri-O-acetylinosine. A new synthesis of 6-chloro-9-(β-D-ribofuranosyl)purine
    1965, Vol. 30, Issue 6, pp. 1880–1889 [Abstract]
  • J. Žemlička
    3',5'-di-O-Trityluridine
    1964, Vol. 29, Issue 7, pp. 1734–1735 [Abstract]
  • J. Žemlička and F. Šorm
    Preparation of 2-chloroethene-1-sulphonyl ureide
    1964, Vol. 29, Issue 3, pp. 837–839 [Abstract]
  • J. Žemlička, J. Smrt and F. Šorm
    Nucleic acid components and their analogues. XLVIII. Synthesis and structure of nitrogen mustard derivatives of cytidine and 6-azacytidine
    1964, Vol. 29, Issue 3, pp. 635–644 [Abstract]
  • J. Piťha and J. Žemlička
    Nucleic acids components and their analogues. XLV. The infrared spectra of some 2',3',5'-tri-O-acyl derivatives of nucleosides derived from uridine and 6-azauridine
    1964, Vol. 29, Issue 2, pp. 410–418 [Abstract]
  • J. Žemlička, J. Smrt and F. Šorm
    Nucleic acids components and their analogues. XXVII. The synthesis of 6-azauridine-5' triphosphate
    1963, Vol. 28, Issue 1, pp. 241–244 [Abstract]
  • J. Žemlička, J. Beránek and J. Smrt
    Preparation and methanolysis of uridine, 6-azauridine and 6-azacytidine O-formyl derivatives
    1962, Vol. 27, Issue 12, pp. 2784–2795 [Abstract]
  • J. Žemlička, J. Krupička and Z. Arnold
    Self-condensation of triformylmethane to 1,3,5-triformylbenzene
    1962, Vol. 27, Issue 10, pp. 2464–2467 [Abstract]
  • J. Žemlička and J. Smrt
    Phosphates derived from 3-hydroxysulpholane and 3-hydroxysulphol-2-ene as phosphorylating agents
    1962, Vol. 27, Issue 10, pp. 2404–2407 [Abstract]
  • J. Žemlička, J. Smrt and F. Šorm
    Nucleic acid components and their analogues. XIX. Synthesis of 3-methyl-6-azauridine-5'-phosphate and -pyrophosphate
    1962, Vol. 27, Issue 6, pp. 1462–1469 [Abstract]
  • J. Žemlička and Z. Arnold
    Synthetic reactions of dimethylformamide. XI. Polyformylation of ketones of other types and the problem of the reaction course
    1961, Vol. 26, Issue 11, pp. 2852–2864 [Abstract]
  • J. Žemlička and Z. Arnold
    Synthetic reactions of dimethylformamide. X. Synthesis and reactions of some triformyl derivatives of acetone and methyl ethyl ketone
    1961, Vol. 26, Issue 11, pp. 2838–2851 [Abstract]
  • Z. Arnold and J. Žemlička
    Synthetische Reaktionen von Dimethylformamid VII. Darstellung von Triformylmethan
    1960, Vol. 25, Issue 5, pp. 1318–1323 [Abstract]
  • Z. Arnold and J. Žemlička
    Reaktionen der Formamidinium-Salze und ihrer Vinyloge mit Carbanionen
    1960, Vol. 25, Issue 5, pp. 1302–1307 [Abstract]
  • Z. Arnold and J. Žemlička
    Synthetische Reaktionen von Dimethylformamid IV. Darstellung von β-Chlorvinylaldehyden aus Carbonylverbindungen
    1959, Vol. 24, Issue 7, pp. 2385–2392 [Abstract]
  • Z. Arnold and J. Žemlička
    Synthetische Reaktionen von Dimethylformamid III. Darstellung von β-Chlorvinylaldehyden
    1959, Vol. 24, Issue 7, pp. 2378–2384 [Abstract]
  • Z. Arnold and J. Žemlička
    Synthetic reactions of dimethylformamide. II. The reaction of ketals with dimethylformamide and phosgene
    1959, Vol. 24, Issue 3, pp. 786–796 [Abstract]
  • J. Staněk and J. Žemlička
    Die Oppenauersche Oxydation einiger substituierter Alkoholderivate
    1957, Vol. 22, Issue 5, pp. 1452–1456 [Abstract]