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Chemistry of 1,3-Dioxepins. XI. Bis-(4,7-dihydro-1,3-dioxepin) Approach to Pyridoxine Intermediates 1,5-Dihydro-8-methyl-3H-[1,3]dioxepino[5,6-c]pyridin-9-ols

Miljenko Dumić ; PLIVA-Research Institute, Prilaz baruna Filipovića 25, HR-10000 Zagreb, Croatia
Mladen Vinković ; PLIVA-Research Institute, Prilaz baruna Filipovića 25, HR-10000 Zagreb, Croatia
Milena Jadrijević-Mladar Takač ; Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, HR-10000 Zagreb, Croatia
Ivan Butula ; Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, HR-10000 Zagreb, Croatia

Sažetak

The novel pyridoxine intermediates, bis-dioxepino[5,6-c]pyridin-9-ols 3 and 4 have been synthesized starting from bis-(4,7-dihydro-1,3-dioxepins) 1. Their constitution and configuration has been confirmed by single-crystal X-ray diffractions of bis-dioxepins la and lb, dioxepinopyridinol 3a maleate salt, as well as 3b and 4b monohydrates.

Ključne riječi

Hrčak ID:

135991

URI

https://hrcak.srce.hr/135991

Datum izdavanja:

2.12.1996.

Posjeta: 1.116 *