Eco-Friendly and Efficient Greener Process for the Synthesis of Chalcones and Pyrazolones Using the Supramolecular Catalyst β-Cyclodextrin.

Autor: Bhadke, Priyanka K., Pahelkar, Akshata R., Gadkari, Yatin U., Naik, John M., Telvekar, Vikas N.
Předmět:
Zdroj: Organic Preparations & Procedures International; 2022, Vol. 54 Issue 4, p363-369, 7p
Abstrakt: 56 [156-158]201H NMR (CDCl3, 400 MHz) 7.41-7.42 (m, 3H), 7.57-7.59 (dd, J = 1.2, 5.1 Hz, 2H), 7.64-7.70 (m, 2H) 8.14 (s,1H), 8.22-8.25 (d, J = 8.9 Hz, 1H), 8.39-8.40 (d, J = 8.9 Hz, 1H); 13C NMR (100 MHz, CDCl3) 121.63, 122.84, 127.80, 129.62, 131.01, 134.86, 138.36, 142.13, 146.69, 149.12, 189.86 ppm.20
93i9 06 [105-107]131H NMR (CDCl3, 400 MHz) 2.30 (s, 3H), 3.97 (s, 1H) 6.73-6.77 (d, J = 16.6 Hz, 1H), 6.89 (s, 2H) 7.37 (s, 2H); 7.61-7.64 (d, J = 16.0 Hz, 1H); 13C NMR (CDCl3, 100 MHz,) 27.05, 115.55, 124.69, 126.87, 131.06, 140.50, 151.06, 202.01 ppm.13
153o8 Eco-Friendly and Efficient Greener Process for the Synthesis of Chalcones and Pyrazolones Using the Supramolecular Catalyst -Cyclodextrin 48 [147-150]221H NMR (CDCl3, 400 MHz) 2.43 (s, 3H), 7.33 (d, 2H), 7.69 (d, 1H, J = 15.6 Hz), 7.85-7.78 (m, 4H), 7.98 (d, J = 8.1 Hz, 1H), 8.30 (d, J = 8.7 Hz, 2H); 13C NMR (CDCl3, 100 MHz) 21.10, 124.70, 126.16, 127.89, 131.06, 134.15, 140.50, 142.15, 144.26, 148.11, 189.14 ppm.22
113k9. [Extracted from the article]
Databáze: Complementary Index
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