Помогите, пожалуйста, с доступом к четырем публикациям:
1. Heidari, M., Anary-Abbasinejad, M., Ghazanfari, D., & Akhgar, M. R. (2018). Synthesis of Polyfunctionalized Furans by Three-component Reaction Between Arylglyoxals, 1, 3-Diketones and Isocyanides. Letters in Organic Chemistry, 15(9), 773-777.
- DOI:
http://dx.doi.org/10.2174/1570178615666180102143215
2. Chourasiya, M., Kumar, A., Vikram, V. N., & Tadigoppula, N. (2023). Ru (ii)-catalyzed synthesis of poly-substituted furans via intermolecular oxidative annulation reaction of ethyl 3-oxo-3-phenylpropanoates with aryl alkynes/heteroaryl alkynes. Chemical Communications, 59(63), 9650-9653.
- DOI:
http://dx.doi.org/10.1039/D3CC00975K
3. Chen, W. L., Liu, Z. W., Wang, Y. C., Ma, X. P., & Mo, D. L. (2022). MnSO 4-promoted S–O bond cleavage for synthesizing functionalized sulfonium ylides from activated alkynes and sulfoxides. Organic & Biomolecular Chemistry, 20(8), 1656-1661.
- DOI:
http://dx.doi.org/10.1039/D1OB02491D
4. Zhang, C., Zhang, X. Q., Nie, Y., Wang, C., Xu, T., Zhang, J., ... & Wang, Y. (2022). Gold-catalyzed formal (3+ 2) and (4+ 2) cycloaddition reactions using propiolates: assembly of 2, 3-dihydrofurans and 3, 4-dihydropyrans via a multistep cascade process. Organic Chemistry Frontiers, 9(21), 5872-5878.
- DOI:
http://dx.doi.org/10.1039/D2QO01084D
С уважением!
