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BioTechnologia
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4/2016
vol. 97
 
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New inhibitors of DNA methyltransferase 1 based on cytosine scaffold

Agnieszka Fedoruk-Wyszomirska
1
,
Wojciech T. Markiewicz
1
,
Jan Barciszewski
1

  1. Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań, Poland
BioTechnologia vol. 97(4) C pp. 323-325 C 2016
Online publish date: 2017/01/13
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United States Patent

Patent number: US9040490 B2

Application number: US 13/576709

Cytosine analogue, a method of preparation of a cytosine analogue, a DNA methyltransferase 1 inhibitor,

a method for DNA methylation inhibition, the use of the analogue in the treatment of diseases associated with

deviations from normal DNA methylation

Inventors: J. Barciszewski, W.T. Markiewicz, E. Adamska, B. Plitta, M. Giel-Pietraszuk, E. Wyszko, M. Markiewicz,

A. Fedoruk-Wyszomirska, T. Kulinski, M. Chmielewski

Assignee: Institute of Bioorganic Chemistry, PAS, Poznań

Date of Patent: 26. 05. 2015





European Patent Application

PCT number: PCT/PL2011/000032

Cytosine analogue, a method of preparation of a cytosine analogue, a DNA methyltransferase 1 inhibitor,

a method for DNA methylation inhibition, the use of the analogue in the treatment of diseases associated with

deviations from normal DNA methylation

Inventors: J. Barciszewski, W.T. Markiewicz, E. Adamska, B. Plitta, M. Giel-Pietraszuk, E. Wyszko, M. Markiewicz,

A. Fedoruk-Wyszomirska, T. Kulinski, M. Chmielewski

Assignee: Institute of Bioorganic Chemistry, PAS, Poznań

Application Date: 17. 03. 2011





Polish Patent Application

Polish Application number: P 390 769

Cytosine analogue, a method of preparation of a cytosine analogue, a DNA methyltransferase 1 inhibitor,

a method for DNA methylation inhibition, the use of the analogue in the treatment of diseases associated with

deviations from normal DNA methylation

Inventors: J. Barciszewski, W.T. Markiewicz, E. Adamska, B. Plitta, M. Giel-Pietraszuk, E. Wyszko, M. Markiewicz,

A. Fedoruk-Wyszomirska, T. Kulinski, M. Chmielewski

Assignee: Institute of Bioorganic Chemistry, PAS, Poznań

Application Data: 19. 03. 2010

Published also as: EP2556081A2, US20120322755, WO2011115513A2, WO2011115513A3, WO2011115513A9



Abstract

In this study, a cytosine analog and its preparation method and a DNA methyltransferase 1 inhibitor and a method for DNA methylation inhibition are provided for the treatment of diseases associated with deviations from normal

DNA methylation. The analog of cytosine comprises of 1, N4, 5, and 6-substituted derivatives of cytosine or 5,6-dihydrocytosine; the analog can be described with a chemical formula where R1 is H, R3, R4, 2-deoxyribosyl, R4

is alkyl or aryl, X is N or C – if X in formula I is N, then R5 is no substituent and if X in formula I and/or II is C or if X in formula II is N, then R5 and R6 are independently alkyl, aryl, hydroxyalkyl, aminoalkyl, hydroxyl, carboxyl,

amino group, alkoxyl, aryloxyl, aminoalkyl, aminoaryl, thio group, sulfonyl, sulfinyl, or halogen.


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