Modified Borohydride Agents; Efficient Reduction of Azides with (1,4-Diazabicyclo[2.2.2]octane) (Tetrahydroborato)zinc Complex [Zn(BH₄)₂(dabco)] and Methyltriphenylphosphonium Tetrahydroborate [MePh₃P⁺BH₄⁻]

H. Firouzabadi Department of Chemistry, Shiraz University, Shiraz, 71454, Iran

M. Adibi Department of Chemistry, Shiraz University, Shiraz, 71454, Iran

B. Zeynizadeh Department of Chemistry, Shiraz University, Shiraz, 71454, Iran

Abstract

(1,4-Diazabicyclo[2.2.2]octane)(tetrahydroborato)zinc complex and methyltriphenylphosphonium tetrahydroborate are stable modified borohydrides which are used for the efficient reduction of aryl, alkyl, and aroyl azides with excellent yields in THF or CH₂Cl₂ at room temperature or under reflux conditions.

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Modified Borohydride Agents; Efficient Reduction of Azides with (1,4-Diazabicyclo[2.2.2]octane) (Tetrahydroborato)zinc Complex [Zn(BH₄)₂(dabco)] and Methyltriphenylphosphonium Tetrahydroborate [MePh₃P⁺BH₄⁻]

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Modified Borohydride Agents; Efficient Reduction of Azides with (1,4-Diazabicyclo[2.2.2]octane) (Tetrahydroborato)zinc Complex [Zn(BH4)2(dabco)] and Methyltriphenylphosphonium Tetrahydroborate [MePh3P+BH4−]

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Modified Borohydride Agents; Efficient Reduction of Azides with (1,4-Diazabicyclo[2.2.2]octane) (Tetrahydroborato)zinc Complex [Zn(BH₄)₂(dabco)] and Methyltriphenylphosphonium Tetrahydroborate [MePh₃P⁺BH₄⁻]