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K-selectride

From Wikipedia, the free encyclopedia
K-selectride
Names
Other names
potassium Tri-sec-butylborohydride
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 259-241-7
UNII
  • InChI=1S/C12H27B.K/c1-7-10(4)13(11(5)8-2)12(6)9-3;/h10-12H,7-9H2,1-6H3;/q-1;+1
    Key: NHYQAKNGPZLNOH-UHFFFAOYSA-N
  • [B-](C(C)CC)(C(C)CC)C(C)CC.[K+]
Properties
C12H28BK
Molar mass 222.26 g·mol−1
Appearance colorless solid (sold as a solution)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

K-selectride is the organoboron compound with the formula KBH(C4H9)3. It is the potassium salt of tri(sec-butyl)borohydride. The compound is sold as solution in THF. It is a strong reducing agent. Solutions are pyrophoric and highly reactive toward water and protic compounds. It is handled using air-free technique. It is produced by the reaction of tri(sec-butyl)borane with potassium hydride. The reagent is used to reduce ketones to alcohols.[1]

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References

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  1. ^ Hubbard, John L. (2001). "Potassium Tri- sec -butylborohydride". Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rp253. ISBN 0-471-93623-5.
  2. ^ Zaidlewicz, Marek; Brown, Herbert C. (2001). "Lithium Trisiamylborohydride". Encyclopedia of Reagents for Organic Synthesis (EROS). doi:10.1002/047084289X.rl151. ISBN 0-471-93623-5.