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| CAS No.: | 693-02-7 |
|---|---|
| Name: | 1-Hexyne |
| Molecular Structure: | |
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| Formula: | C6H10 |
| Molecular Weight: | 82.1454 |
| Synonyms: | Butylacetylene;NSC 9709;n-Butylacetylene; |
| EINECS: | 211-736-9 |
| Density: | 0.738 g/cm3 |
| Melting Point: | -132 °C |
| Boiling Point: | 71.424 °C at 760 mmHg |
| Flash Point: | −6 °F |
| Appearance: | colourless liquid |
| Hazard Symbols: |
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| Risk Codes: | 11-36/37/38-65 |
| Safety: | 16-26-33-36-62-9 |
| Transport Information: | UN 3295 |
| PSA: | 0.00000 |
| LogP: | 1.80980 |

(E)-1,2-dibromohex-1-ene


hex-1-yne

| Conditions | Yield |
|---|---|
| With 1,2-bis(diphenylphosphino)ethane nickel(II) chloride; tri-n-butyl-tin hydride In tetrahydrofuran for 0.5h; Ambient temperature; | 100% |

n-butylethynylmagnesium chloride


hex-1-yne

| Conditions | Yield |
|---|---|
| With oxygen In tetrahydrofuran at 20℃; for 0.75h; | 99% |

| Conditions | Yield |
|---|---|
| With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 60℃; for 2h; without <18>krone-6; Yields of byproduct given; | 96% |
| With potassium hydroxide; tetraoctyl ammonium bromide In Petroleum ether at 90℃; for 6h; | 92% |
| With potassium hydroxide; 2,5-dimethyl-2,5-hexanediol; tetraoctyl ammonium bromide at 80 - 90℃; for 0.25h; | 88% |

(Z)-1-bromohex-1-ene


hex-1-yne

| Conditions | Yield |
|---|---|
| With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 25℃; for 2h; | 96% |

(E)-1-bromohex-1-ene


hex-1-yne

| Conditions | Yield |
|---|---|
| With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 60℃; for 2h; | 93% |

| Conditions | Yield |
|---|---|
| With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 60℃; for 1h; | 92% |
| With sodium amide; xylene at 130℃; und zersetzt das entstandene Produkt mit Eiswasser; | |
| With petroleumfraction of mp: 150-180 degree at 150℃; und zersetzt das entstandene Produkt mit Eiswasser; |

| Conditions | Yield |
|---|---|
| With Lu(N(SiMe3)2)3 In toluene at 100℃; for 48h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A 90% B n/a |


| Conditions | Yield |
|---|---|
| In diethyl ether; ammonia for 2h; | 80% |
| 32% | |
| With ammonia |

| Conditions | Yield |
|---|---|
| With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A 75% B n/a |


C9H18B(1-)*Li(1+)

A

2-Methyl-2-heptanol

B

n-pentyl methyl ketone

C

hex-1-yne

| Conditions | Yield |
|---|---|
| With sodium hydroxide; methanesulfonic acid; dihydrogen peroxide 1.) Et2O, -78 deg C, warming to 25 deg C, 2h; Yield given. Multistep reaction; | A 8% B n/a C 73% |
| With sodium hydroxide; methanesulfonic acid; dihydrogen peroxide 1.) Et2O, -78 deg C warming to 25 deg C, 2h; Yield given. Multistep reaction; | A 8% B 9% C n/a |


F,
Xn,Xi