2-PHENYLACETYLENE-1-BORONIC ACID DIISOPROPYL ESTER synthesis
- Product Name:2-PHENYLACETYLENE-1-BORONIC ACID DIISOPROPYL ESTER
- CAS Number:121021-26-9
- Molecular formula:C14H19BO2
- Molecular Weight:230.11
Yield:121021-26-9 65%
Reaction Conditions:
Stage #1: phenylacetylenewith n-butyllithium in diethyl ether;hexane at -78; for 0.5 h;Inert atmosphere;
Stage #2: Triisopropyl borate in diethyl ether;hexane at -78; for 1 h;Inert atmosphere;
Stage #3: with hydrogenchloride in diethyl ether;hexane at -78 - 20; for 1 h;Inert atmosphere;
References:
Yasumoto, Kento;Kano, Taichi;Maruoka, Keiji [Organic Letters,2019] Location in patent:supporting information
5419-55-6
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4440-01-1
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121021-26-9
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