Processes for synthesizing alkali metal borohydride compounds
a technology of alkali metal borohydride and compound, which is applied in the direction of monoborane/diborane hydrides, etc., can solve the problems of poor molar economy, poor manufacturing cost, and inefficiency, and limit the scalability of this process
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example 2
Borane-triethylamine Complex with NaOH in Diglyme
[0038] Using the procedure described in Example 1, borane-triethylamine complex (1.48 mL, 10 mmol) and sodium hydroxide (400 mg, 10 mmol, 1 equivalent) were stirred in diglyme for 23 h to give 24.3 mg of NaBH.sub.4 (8.5%).
example 3
Borane-tetrahydrofuran Complex with Na.sub.2CO.sub.3 in Diglyme
[0039] Using the procedure described in Example 1, borane-tetrahydrofuran complex (20 mL, 20 mmol) and sodium carbonate (1.06 g, 10 mmol, 0.5 equivalents) were stirred in diglyme for 138 h to give 80.6 mg of NaBH.sub.4 (14.2%).
example 4
Borane-triethylamine Complex with Na.sub.2CO.sub.3 in Diglyme
[0040] Using the procedure described in Example 1, borane-triethylamine complex (1.48 mL, 10.0 mmol) and sodium carbonate (530.0 mg, 5.0 mmol) were stirred in diglyme for 72 h to give 10.5 mg of NaBH.sub.4 (3.7%).
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