53106-70-0Relevant academic research and scientific papers
A practical synthesis of archaeosine and its base
Oka, Natsuhisa,Fukuta, Akane,Ando, Kaori
, p. 5709 - 5714 (2018)
A practical synthetic route to 7-formamidino-7-deazaguanosine (archaeosine), a hypermodified nucleoside observed in archaeal tRNA, has been developed, which involves the addition of hydroxylamine to the cyano group of 7-cyano-7-deazaguanosine (preQ0
Synthesis, biological evaluation and docking studies of new pyrrolo[2,3-d] pyrimidine derivatives as Src family-selective tyrosine kinase inhibitors
Dincer, Sebla,Cetin, Kadir Taylan,Onay-Besikci, Arzu,Oelgen, Suereyya
, p. 1080 - 1087 (2013)
In this study, the synthesis and potential enzyme interactions of new Pyrrolo[2,3-d]pyrimidine derivatives along with their inhibitory activity against SFK enzymes such as Fyn, Lyn, Hck, and c-Src were reported. The results indicated that compounds were s
A two step synthesis of the nucleoside Q precursor 2-amino-5-cyanopyrrolo[2,3-d]pyrimidin-4-one (preQ(o))
Migawa, Michael T.,Hinkley, Jack M.,Hoops, Geoffrey C.,Townsend, Leroy B.
, p. 3317 - 3322 (1996)
PreQ(o) (1) is prepared in a 70% yield by the condensation of chloro(formyl)acetonitrile (2) with 2,6-diaminopyrimidin-4-one (3), and subsequently converted to its amide derivative 5. Isolation of the intermediate 4 in the condensation reaction was also observed giving further insight into the proposed mechanism.
Design and Synthesis of Pyrrolo[2,3-d]pyrimidine-Derived Leucine-Rich Repeat Kinase 2 (LRRK2) Inhibitors Using a Checkpoint Kinase 1 (CHK1)-Derived Crystallographic Surrogate
Williamson, Douglas S.,Smith, Garrick P.,Mikkelsen, Gitte K.,Jensen, Thomas,Acheson-Dossang, Pamela,Badolo, Lassina,Bedford, Simon T.,Chell, Victoria,Chen, I-Jen,Dokurno, Pawel,Hentzer, Morten,Newland, Samantha,Ray, Stuart C.,Shaw, Terry,Surgenor, Allan E.,Terry, Lindsey,Wang, Yikang,Christensen, Kenneth V.
supporting information, p. 10312 - 10332 (2021/07/26)
Inhibitors of leucine-rich repeat kinase 2 (LRRK2) and mutants, such as G2019S, have potential utility in Parkinson’s disease treatment. Fragment hit-derived pyrrolo[2,3-d]pyrimidines underwent optimization using X-ray structures of LRRK2 kinase domain surrogates, based on checkpoint kinase 1 (CHK1) and a CHK1 10-point mutant. (2R)-2-Methylpyrrolidin-1-yl derivative 18 (LRRK2 G2019S cKi0.7 nM, LE 0.66) was identified, with increased potency consistent with an X-ray structure of 18 /CHK1 10-pt. mutant showing the 2-methyl substituent proximal to Ala147 (Ala2016 in LRRK2). Further structure-guided elaboration of 18 gave the 2-[(1,3-dimethyl-1H-pyrazol-4-yl)amino] derivative 32 . Optimization of 32 afforded diastereomeric oxolan-3-yl derivatives 44 and 45 , which demonstrated a favorablein vitroPK profile, although they displayed species disconnects in thein vivoPK profile, and a propensity for P-gp- and/or BCRP-mediated efflux in a mouse model. Compounds 44 and 45 demonstrated high potency and exquisite selectivity for LRRK2 and utility as chemical probes for the study of LRRK2 inhibition.
Synthesis and Anti-HIV Activity of Guanine Modified Fluorinated Acyclic Nucleoside Phosphonate Derivatives
Luo, Min,Groaz, Elisabetta,De Jonghe, Steven,Schols, Dominique,Herdewijn, Piet
, (2019/02/01)
The preparation of an unprecedented series of nucleobase modified 3-fluoro-2-(phosphonomethoxy)propyl (FPMP) acyclic nucleosides in both their (R) and (S) enantiomerically pure forms is described. The synthesis focuses on a Mitsunobu alkylation reaction t
TREATMENTS FOR AUTOIMMUNE DISEASE
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Page/Page column 21; 22, (2016/04/26)
The invention relates to a novel approach to the treatment of autoimmune diseases, particularly multiple sclerosis.In a further embodiment of the invention there is provided a molecule capable of acting as substrate for the queuine-insertase enzyme comple
SUBSTITUTED PYRIMIDINE DERIVATIVES USEFUL IN THE TREATMENT OF AUTOIMMUNE DISEASES
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Page/Page column 19, (2016/07/11)
The present invention describes compounds of formula (I) (I) Wherein: R1 is selected from H and CH3 R2 is selected from H, C4H9 alkyl, C6H13 alkyl and C3H6-
Stereoselective synthesis of carbocyclic analogues of the nucleoside Q precursor (PreQ0)
Llona-Minguez, Sabin,Mackay, Simon P.
supporting information, p. 1333 - 1338 (2014/07/22)
A convergent and stereoselective synthesis of chiral cyclopentyl- and cyclohexylamine derivatives of nucleoside Q precursor (PreQ0) has been accomplished. This synthetic route allows for an efficient preparation of 4-substituted analogues with
Structure-based design and synthesis of antiparasitic pyrrolopyrimidines targeting pteridine reductase 1
Khalaf, Abedawn I.,Huggan, Judith K.,Suckling, Colin J.,Gibson, Colin L.,Stewart, Kirsten,Giordani, Federica,Barrett, Michael P.,Wong, Pui Ee,Barrack, Keri L.,Hunter, William N.
supporting information, p. 6479 - 6494 (2014/10/16)
The treatment of Human African trypanosomiasis remains a major unmet health need in sub-Saharan Africa. Approaches involving new molecular targets are important; pteridine reductase 1 (PTR1), an enzyme that reduces dihydrobiopterin in Trypanosoma spp., has been identified as a candidate target, and it has been shown previously that substituted pyrrolo[2,3-d]pyrimidines are inhibitors of PTR1 from Trypanosoma brucei (J. Med. Chem. 2010, 53, 221-229). In this study, 61 new pyrrolo[2,3-d]pyrimidines have been prepared, designed with input from new crystal structures of 23 of these compounds complexed with PTR1, and evaluated in screens for enzyme inhibitory activity against PTR1 and in vitro antitrypanosomal activity. Eight compounds were sufficiently active in both screens to take forward to in vivo evaluation. Thus, although evidence for trypanocidal activity in a stage I disease model in mice was obtained, the compounds were too toxic to mice for further development.
