2-(1-Pentynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
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- $90 - $739.17
- Product name: 2-(1-Pentynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
- CAS: 634196-62-6
- MF: C11H19BO2
- MW: 194.08
- EINECS:
- MDL Number:MFCD09842763
- Synonyms:1-Pentynylboronic acid pinacol ester;2-(1-Pentynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;4,4,5,5-tetraMethyl-2-(pent-1-yn-1-yl)-1,3,2-dioxaborolane;1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(1-pentyn-1-yl)-;1-Pentynylboronic acid pinacol ester 90%;1-Pentyne-1-boronic Acid Pinacol Ester
6 prices
Selected condition：
Brand
- aablocks
- ACHEMBLOCK
- American Custom Chemicals Corporation
Package
- 100mg
- 250mg
- 1g
- Manufactureraablocks
- Product numberAA00EJ7M
- Product description1-Pentynylboronic acid pinacol ester 95%
- Packaging1g
- Price$592
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA00EJ7M
- Product description1-Pentynylboronic acid pinacol ester 95%
- Packaging250mg
- Price$185
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA00EJ7M
- Product description1-Pentynylboronic acid pinacol ester 95%
- Packaging100mg
- Price$102
- Updated2026-05-28
- Buy
- ManufacturerACHEMBLOCK
- Product numberX188405
- Product description4,4,5,5-tetramethyl-2-(pent-1-yn-1-yl)-1,3,2-dioxaborolane 95%
- Packaging250MG
- Price$90
- Updated2026-05-27
- Buy
- ManufacturerACHEMBLOCK
- Product numberX188405
- Product description4,4,5,5-tetramethyl-2-(pent-1-yn-1-yl)-1,3,2-dioxaborolane 95%
- Packaging1G
- Price$175
- Updated2026-05-27
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberBOR0002707
- Product description1-PENTYNYLBORONIC ACID PINACOL ESTER 95.00%
- Packaging1G
- Price$739.17
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00EJ7M | 1-Pentynylboronic acid pinacol ester 95% | 1g | $592 | 2026-05-28 | Buy |
| aablocks | AA00EJ7M | 1-Pentynylboronic acid pinacol ester 95% | 250mg | $185 | 2026-05-28 | Buy |
| aablocks | AA00EJ7M | 1-Pentynylboronic acid pinacol ester 95% | 100mg | $102 | 2026-05-28 | Buy |
| ACHEMBLOCK | X188405 | 4,4,5,5-tetramethyl-2-(pent-1-yn-1-yl)-1,3,2-dioxaborolane 95% | 250MG | $90 | 2026-05-27 | Buy |
| ACHEMBLOCK | X188405 | 4,4,5,5-tetramethyl-2-(pent-1-yn-1-yl)-1,3,2-dioxaborolane 95% | 1G | $175 | 2026-05-27 | Buy |
| American Custom Chemicals Corporation | BOR0002707 | 1-PENTYNYLBORONIC ACID PINACOL ESTER 95.00% | 1G | $739.17 | 2021-12-16 | Buy |
Properties
Boiling point :68-72 °C/0.09 mmHg
Density :0.9057 g/mL at 25 °C
refractive index :n20/D 1.4479
Flash point :68 °C
form :liquid
InChI :1S/C11H19BO2/c1-6-7-8-9-12-13-10(2,3)11(4,5)14-12/h6-7H2,1-5H3
InChIKey :RXNSNUUTGWELNS-UHFFFAOYSA-N
SMILES :CCCC#CB1OC(C)(C)C(C)(C)O1
Density :0.9057 g/mL at 25 °C
refractive index :n20/D 1.4479
Flash point :68 °C
form :liquid
InChI :1S/C11H19BO2/c1-6-7-8-9-12-13-10(2,3)11(4,5)14-12/h6-7H2,1-5H3
InChIKey :RXNSNUUTGWELNS-UHFFFAOYSA-N
SMILES :CCCC#CB1OC(C)(C)C(C)(C)O1
Safety Information
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Description
1-Pentynylboronic acid pinacol ester can be used as:- A substrate in the copper-catalyzed decyanative cross-coupling reactions with aryl selenocyanate to yield unsymmetrically substituted selanes.
- A reactant in the palladium-catalyzed 1,2-aminoacylation, 1,2-amino-vinylation and -alkynylation reactions with various oxime esters.
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