![1025707-93-0](/StructureFile/ChemBookStructure8/GIF/CB1723805.gif)
3,4-DIHYDRO-2H-PYRAN-6-BORONIC ACID PINACOL ESTER synthesis
- Product Name:3,4-DIHYDRO-2H-PYRAN-6-BORONIC ACID PINACOL ESTER
- CAS Number:1025707-93-0
- Molecular formula:C11H19BO3
- Molecular Weight:210.08
![3,4-Dihydro-2H-pyran](/CAS/GIF/110-87-2.gif)
110-87-2
525 suppliers
$10.00/1g
![Pinacol](/CAS/GIF/76-09-5.gif)
76-09-5
383 suppliers
$8.19/250mg
![Trimethyl borate](/CAS/GIF/121-43-7.gif)
121-43-7
359 suppliers
$13.00/25mL
![3,4-DIHYDRO-2H-PYRAN-6-BORONIC ACID PINACOL ESTER](/StructureFile/ChemBookStructure8/GIF/CB1723805.gif)
1025707-93-0
58 suppliers
$13.00/100mg
Yield: 50%
Reaction Conditions:
Stage #1:3,4-dihydro-2H-pyran with n-butyllithium;potassium tert-butylate in tetrahydrofuran at -78; for 1 h;Cooling with acetone-dry ice;
Stage #2:Trimethyl borate in tetrahydrofuran at 0; for 1 h;Cooling with ice;
Stage #3:2,3-dimethyl-2,3-butane diol in tetrahydrofuran;acetic acid at 20;
References:
Butkevich, Alexey N.;Corbu, Andrei;Cossy, Janine;Meerpoel, Lieven;Bonnet, Pascal;Stansfield, Ian;Angibaud, Patrick [Organic Letters,2012,vol. 14,# 19,p. 4998 - 5001,4] Location in patent:supporting information
![3,4-Dihydro-2H-pyran](/CAS/GIF/110-87-2.gif)
110-87-2
525 suppliers
$10.00/1g
![Bis(pinacolato)diboron](/CAS/20180808/GIF/73183-34-3.gif)
73183-34-3
581 suppliers
$6.00/5g
![2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane](/CAS/GIF/1046811-99-7.gif)
1046811-99-7
50 suppliers
$97.00/100mg
![3,4-DIHYDRO-2H-PYRAN-6-BORONIC ACID PINACOL ESTER](/StructureFile/ChemBookStructure8/GIF/CB1723805.gif)
1025707-93-0
58 suppliers
$13.00/100mg
![3,4-Dihydro-2H-pyran](/CAS/GIF/110-87-2.gif)
110-87-2
525 suppliers
$10.00/1g
![Pinacolborane](/CAS/GIF/25015-63-8.gif)
25015-63-8
222 suppliers
$22.39/5G
![2-(3,4-Dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane](/CAS/GIF/1046811-99-7.gif)
1046811-99-7
50 suppliers
$97.00/100mg
![3,4-DIHYDRO-2H-PYRAN-6-BORONIC ACID PINACOL ESTER](/StructureFile/ChemBookStructure8/GIF/CB1723805.gif)
1025707-93-0
58 suppliers
$13.00/100mg