639192
(3,3-Dimethyl-1-butynyl)boronic acid diisopropyl ester
97%
Synonym(s):
(2-tert-Butyl-1-ethynyl)diisopropoxyborane
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About This Item
Empirical Formula (Hill Notation):
C12H23BO2
CAS Number:
Molecular Weight:
210.12
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
Recommended Products
Assay
97%
refractive index
n20/D 1.4160 (lit.)
bp
193-194 °C (lit.)
density
0.891 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
CC(C)OB(OC(C)C)C#CC(C)(C)C
InChI
1S/C12H23BO2/c1-10(2)14-13(15-11(3)4)9-8-12(5,6)7/h10-11H,1-7H3
InChI key
FLHZJMZNIOCRSX-UHFFFAOYSA-N
Application
Substrate that participates in a Dotz annulation process leading to a substituted arylboronate capable of further synthetic elaboration as for example, a Suzuki-Miyarura biaryl cross-coupling.[1]
Signal Word
Warning
Hazard Statements
Hazard Classifications
Flam. Liq. 3
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
109.9 °F - closed cup
Flash Point(C)
43.3 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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M W Davies et al.
The Journal of organic chemistry, 66(10), 3525-3532 (2001-05-12)
This paper describes the synthesis and reactivity of a novel class of quinone boronic esters. These compounds are prepared utilizing a highly regioselective Dötz annulation of Fischer carbene complexes with alkynylboronates. All substrates studied to date provided a single regioisomeric
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