Purin (Uzbek Wikipedia)

Houben-Weyl Methods of Organic Chemistry, 4th Supplement: Hetarenes III (Six-Membered Rings and Larger Hetero-Rings with Maximum Unsaturation) - Part 2b, 2014 — 310-bet. ISBN 9783131815040. Qaraldi: 2020-yil 15-may.

dietaryfiberfood.com (Global: low place; Uzbek: low place)

„Gout: List of Foods High and Low in Purine Content“. Dietaryfiberfood.com (2016-yil 8-aprel). 2011-yil 12-noyabrda asl nusxadan arxivlangan. Qaraldi: 2016-yil 16-iyul.

doi.org (Global: 2^nd place; Uzbek: 3^rd place)

dx.doi.org

"The chemodiversity of purine as a constituent of natural products". Chemistry & Biodiversity 1 (3): 361–401. March 2004. doi:10.1002/cbdv.200490033. PMID 17191854.
"Total purine and purine base content of common foodstuffs for facilitating nutritional therapy for gout and hyperuricemia". Biological & Pharmaceutical Bulletin 37 (5): 709–721. 2014. doi:10.1248/bpb.b13-00967. PMID 24553148.
"Purine tautomeric preferences and bond-length alternation in relation with protonation-deprotonation and alkali metal cationization". Journal of Molecular Modeling 26 (5): 93. April 2020. doi:10.1007/s00894-020-4343-6. PMID 32248379. PMC 7256107. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=7256107.
"Effect of the H-bonding on aromaticity of purine tautomers". The Journal of Organic Chemistry 77 (8): 4035–4045. April 2012. doi:10.1021/jo300406r. PMID 22448684.
Brown, Anne M.; Hoopes, Samantha L.; White, Robert H.; Sarisky, Catherine A. (2011). "Purine biosynthesis in archaea: Variations on a theme". Biology Direct 6: 63. doi:10.1186/1745-6150-6-63. PMID 22168471. PMC 3261824. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=3261824.
Bernstein, H. (1961). "Imidazole Compounds Accumulated by Purine Mutants of Neurospora crassa". Journal of General Microbiology 25: 41–46. doi:10.1099/00221287-25-1-41.
"A One-step Synthesis of Purine Ring from Formamide". Chemical & Pharmaceutical Bulletin 20 (3): 623. 1972. doi:10.1248/cpb.20.623. Archived from the original on 2016-05-16. http://arquivo.pt/wayback/20160516170519/http://www.journalarchive.jst.go.jp/english/jnlabstract_en.php?cdjournal=cpb1958&cdvol=20&noissue=3&startpage=623.
"About a formamide-based origin of informational polymers: syntheses of nucleobases and favourable thermodynamic niches for early polymers". Origins of Life and Evolution of the Biosphere 36 (5–6): 523–531. December 2006. doi:10.1007/s11084-006-9053-2. PMID 17136429.
"Studies in prebiotic synthesis. II. Synthesis of purine precursors and amino acids from aqueous hydrogen cyanide". Journal of Molecular Biology 30 (2): 223–253. December 1967. doi:10.1016/S0022-2836(67)80037-8. PMID 4297187.
"An Unusual Photochemical Rearrangement in the Synthesis of Adenine from Hydrogen Cyanide". Journal of the American Chemical Society 88 (5): 1074. March 1966. doi:10.1021/ja00957a050.
"Photochemical reactions and the chemical evolution of purines and nicotinamide derivatives". Science 166 (3906): 765–766. November 1969. doi:10.1126/science.166.3906.765. PMID 4241847. https://archive.org/details/sim_science_1969-11-07_166_3906/page/n106.
"Amino-acid synthesis from hydrogen cyanide under possible primitive earth conditions". Nature 190 (4774): 442–443. April 1961. doi:10.1038/190442a0. PMID 13731262.

ebooksread.com (Global: low place; Uzbek: low place)

An Introduction To Chemical Pharmacology. P. Blakiston's Sons & Co., 1921 — 283-bet. Qaraldi: 2012-yil 18-iyul.

healthcastle.com (Global: low place; Uzbek: low place)

„Gout Diet: What Foods To Avoid“. Healthcastle.com. 2017-yil 14-avgustda asl nusxadan arxivlangan. Qaraldi: 2016-yil 16-iyul.

jst.go.jp (Global: 1,903^rd place; Uzbek: 4,282^nd place)

jstage.jst.go.jp

"A One-step Synthesis of Purine Ring from Formamide". Chemical & Pharmaceutical Bulletin 20 (3): 623. 1972. doi:10.1248/cpb.20.623. Archived from the original on 2016-05-16. http://arquivo.pt/wayback/20160516170519/http://www.journalarchive.jst.go.jp/english/jnlabstract_en.php?cdjournal=cpb1958&cdvol=20&noissue=3&startpage=623.

nih.gov (Global: 4^th place; Uzbek: 7^th place)

ncbi.nlm.nih.gov

"The chemodiversity of purine as a constituent of natural products". Chemistry & Biodiversity 1 (3): 361–401. March 2004. doi:10.1002/cbdv.200490033. PMID 17191854.
"Total purine and purine base content of common foodstuffs for facilitating nutritional therapy for gout and hyperuricemia". Biological & Pharmaceutical Bulletin 37 (5): 709–721. 2014. doi:10.1248/bpb.b13-00967. PMID 24553148.
"Purine tautomeric preferences and bond-length alternation in relation with protonation-deprotonation and alkali metal cationization". Journal of Molecular Modeling 26 (5): 93. April 2020. doi:10.1007/s00894-020-4343-6. PMID 32248379. PMC 7256107. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=7256107.
"Effect of the H-bonding on aromaticity of purine tautomers". The Journal of Organic Chemistry 77 (8): 4035–4045. April 2012. doi:10.1021/jo300406r. PMID 22448684.
Brown, Anne M.; Hoopes, Samantha L.; White, Robert H.; Sarisky, Catherine A. (2011). "Purine biosynthesis in archaea: Variations on a theme". Biology Direct 6: 63. doi:10.1186/1745-6150-6-63. PMID 22168471. PMC 3261824. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=3261824.
"About a formamide-based origin of informational polymers: syntheses of nucleobases and favourable thermodynamic niches for early polymers". Origins of Life and Evolution of the Biosphere 36 (5–6): 523–531. December 2006. doi:10.1007/s11084-006-9053-2. PMID 17136429.
"Studies in prebiotic synthesis. II. Synthesis of purine precursors and amino acids from aqueous hydrogen cyanide". Journal of Molecular Biology 30 (2): 223–253. December 1967. doi:10.1016/S0022-2836(67)80037-8. PMID 4297187.
"Photochemical reactions and the chemical evolution of purines and nicotinamide derivatives". Science 166 (3906): 765–766. November 1969. doi:10.1126/science.166.3906.765. PMID 4241847. https://archive.org/details/sim_science_1969-11-07_166_3906/page/n106.
"Amino-acid synthesis from hydrogen cyanide under possible primitive earth conditions". Nature 190 (4774): 442–443. April 1961. doi:10.1038/190442a0. PMID 13731262.
Becker S, Thoma I, Deutsch A, Gehrke T, Mayer P, Zipse H, Carell T. A high-yielding, strictly regioselective prebiotic purine nucleoside formation pathway. Science. 2016 May 13;352(6287):833-6. doi: 10.1126/science.aad2808. PMID 27174989.

pubmedcentral.nih.gov

"Purine tautomeric preferences and bond-length alternation in relation with protonation-deprotonation and alkali metal cationization". Journal of Molecular Modeling 26 (5): 93. April 2020. doi:10.1007/s00894-020-4343-6. PMID 32248379. PMC 7256107. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=7256107.
Brown, Anne M.; Hoopes, Samantha L.; White, Robert H.; Sarisky, Catherine A. (2011). "Purine biosynthesis in archaea: Variations on a theme". Biology Direct 6: 63. doi:10.1186/1745-6150-6-63. PMID 22168471. PMC 3261824. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=3261824.

web.archive.org (Global: 1^st place; Uzbek: 1^st place)

„Gout: List of Foods High and Low in Purine Content“. Dietaryfiberfood.com (2016-yil 8-aprel). 2011-yil 12-noyabrda asl nusxadan arxivlangan. Qaraldi: 2016-yil 16-iyul.
„Gout Diet: What Foods To Avoid“. Healthcastle.com. 2017-yil 14-avgustda asl nusxadan arxivlangan. Qaraldi: 2016-yil 16-iyul.

Purin (Uzbek Wikipedia)

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ncbi.nlm.nih.gov

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archive.org (Global: 6^th place; Uzbek: 8^th place)

arquivo.pt (Global: 1,668^th place; Uzbek: 167^th place)

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doi.org (Global: 2^nd place; Uzbek: 3^rd place)

jst.go.jp (Global: 1,903^rd place; Uzbek: 4,282^nd place)

nih.gov (Global: 4^th place; Uzbek: 7^th place)

web.archive.org (Global: 1^st place; Uzbek: 1^st place)