Disiamylborane

Disiamylborane

Skeletal formula of disiamylborane
Ball-and-stick model of the disiamylborane molecule
Names
IUPAC name Bis(1,2-dimethylpropyl)borane
Identifiers
CAS Number	1069-54-1 Y
ChemSpider	167251 Y
Jmol 3D model	Interactive image Interactive image
PubChem	192733
InChI InChI=1S/C10H23B/c1-7(2)9(5)11-10(6)8(3)4/h7-11H,1-6H3 Y Key: HXJFQNUWPUICNY-UHFFFAOYSA-N Y InChI=1/C10H23B/c1-7(2)9(5)11-10(6)8(3)4/h7-11H,1-6H3 Key: HXJFQNUWPUICNY-UHFFFAOYAY
SMILES CC(C(C)C)BC(C)C(C)C B(C(C(C)C)C)C(C)C(C)C
Properties
Chemical formula	C10H23B
Molar mass	153.09 g/mol
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Disiamylborane (bis(1,2-dimethylpropyl)borane) is an organoborane used in organic synthesis. It is used to add water to a terminal alkyne, forming an aldehyde via anti-Markovnikov addition. Disiamylborane is relatively selective for terminal alkynes. It also is used for the selective functionalization of terminal alkenes.

External links

• Disiamylborane & Thexylborane Preparation Kits
• Markovnikov's Rule
• Tautomerization