Study of the by-products in the synthesis of 1,3-benzoxazin-4-one spiropyrans
The work discusses the mechanism of the formation of by-products during the synthesis of spiropyrans based on 1,3-benzoxazin-4-one heterocycle as a result of the hydrolysis of intermediate styryl salt, which explains the low yields of this class of compounds. The structures of the isolated by-produc...
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| Veröffentlicht in: | Russian chemical bulletin 2023-04, Vol.72 (4), p.990-996 |
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| container_title | Russian chemical bulletin |
| container_volume | 72 |
| creator | Pugachev, A. D. Ozhogin, I. V. Kozlenko, A. S. Dmitriev, V. S. Chepurnoy, P. B. Mukhanov, E. L. Lukyanov, B. S. |
| description | The work discusses the mechanism of the formation of by-products during the synthesis of spiropyrans based on 1,3-benzoxazin-4-one heterocycle as a result of the hydrolysis of intermediate styryl salt, which explains the low yields of this class of compounds. The structures of the isolated by-products were confirmed by IR and NMR spectroscopy using 2D homo- and heteronuclear experiments, as well as by elemental analysis. |
| doi_str_mv | 10.1007/s11172-023-3864-1 |
| format | Article |
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| subjects | Byproducts Chemical analysis Chemical synthesis Chemistry Chemistry and Materials Science Chemistry/Food Science Full Articles Infrared spectroscopy Inorganic Chemistry NMR spectroscopy Organic Chemistry Spiropyrans |
| title | Study of the by-products in the synthesis of 1,3-benzoxazin-4-one spiropyrans |
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