+++J. Heterocycl. Chem. & Bioorg. and Med. Chem. Lett.

[Alhimik]

Уважаемые коллеги!
Помогите достать следующие статьи:

1.Journal of Heterocyclic Chemistry: 1983, Volume 20, pp. 667-670
Activated Nitriles in Heterocyclic Synthesis. A Novel Synthesis of Pyrazolo[1,5-a]pyrimidines and Pyrano[2,3-c]pyrazoles
Hassan Attia Elfahham, Fathy Mohamed Abdel-Galil, Yusria Rizk Ibraheim, Mohamed Hilmy Elnagdi

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https://www.jhetchem.com/cd2html.php?file=19830667

2. Journal of Heterocyclic Chemistry: 1994, Volume 31, pp. 1333-1335
The Formation of Pyrazolo[1,5-a]pyrimidines by the Reaction of 3-(4-Chlorophenyl)pyrazol-5-amine with Chalcones
Jairo Quiroga, Braulio Insuasty, Ricardo Rincon, Marina Larrahondo, Norbert Hanold, Herbert Meier

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https://www.jhetchem.com/cd2html.php?file=19941333

3. Journal of Heterocyclic Chemistry: 1999, Volume 36, pp. 11-13
Synthesis, Characterization and In Vitro Anthelmintic Activity against Nippostrongylus brasiliensis of New 5-Aryl-2-phenyl-6,7-dihydropyrazolo[1,5-a]pyrimidines
Jairo Quiroga, Braulio Insuasty, Angelina Hormaza, Daniela Gamenara, Laura Dominguez, Jenny Saldana

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https://www.jhetchem.com/cd2html.php?file=19990011

4. Bioorganic & Medicinal Chemistry Letters
Volume 12, Issue 11, 3 June 2002, Pages 1481-1484
Structure–Activity studies for a novel series of tricyclic dihydropyrimidines as KATP channel openers (KCOs)
Irene Drizin, , Mark W. Holladay, Lin Yi, Henry Q. Zhang, Sujatha Gopalakrishnan, Murali Gopalakrishnan, Kristi L. Whiteaker, Steven A. Buckner, James P. Sullivan and William A. Carroll

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http://dx.doi.org/10.1016/S0960-894X(02)00207-X

5. Bioorganic & Medicinal Chemistry Letters
Volume 1, Issue 6, 1991, Pages 291-294
Dihydropyrimidine calcium channel blockers 51: bicyclic dihydropyrimidines as potent mimics of dihydropyridines
Karnail S. Atwal, and Suzanne Moreland

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http://dx.doi.org/10.1016/S0960-894X(01)80810-6

Заранее большое спасибо.