1.1
Reagents:
Phosphorus oxychloride
;
100 °C
1.2
Reagents:
Hydrochloric acid
Solvents:
Water
;
6 h, 120 °C
2.1
Reagents:
Lithium aluminum hydride
Solvents:
Tetrahydrofuran
;
3 h, 5 °C

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