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CAS No.: | 15252-44-5 |
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Name: | 4-Pentyn-1-amine |
Article Data: | 34 |
Molecular Structure: | |
Formula: | C5H9N |
Molecular Weight: | 83.1332 |
Synonyms: | pent-4-yn-1-amine;1-Amino-4-pentyne 4-Pentynylamine 5-Amino-1-pentyne; |
Density: | 0.859g/mLat 20℃ |
Boiling Point: | 118.0±23.0 °C(Predicted) |
Flash Point: | 10 - 15°C |
Hazard Symbols: | 2232239 |
Risk Codes: | 2232239 |
Safety: | 2232239 |
PSA: | 26.02000 |
LogP: | 1.05880 |
N-(pent-4-ynyl)phthalimide
1-amino-pent-4-yne
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol at 20℃; for 1h; | 90% |
With hydrazine In methanol Gabriel Amine Synthesis; | 85% |
With ethanol; hydrazine hydrate In N,N-dimethyl-formamide at 70℃; for 2h; | 74% |
pent-4-yn-1-yl methanesulfonate
1-amino-pent-4-yne
Conditions | Yield |
---|---|
With ammonium hydroxide at 80℃; Sealed tube; | 84% |
With ammonia at 80℃; Sealed tube; | 84% |
Multi-step reaction with 2 steps 1: sodium azide / N,N-dimethyl-formamide / 3 h / 70 °C 2: triphenylphosphine / diethyl ether / 3 h / 0 °C View Scheme |
pent-4-ynyl-1-azide
1-amino-pent-4-yne
Conditions | Yield |
---|---|
With triphenylphosphine In diethyl ether at 0℃; for 2.5h; | 60% |
With triphenylphosphine In diethyl ether; water at 0℃; for 17h; | 55% |
With triphenylphosphine In diethyl ether at 0℃; for 3h; | 41% |
Conditions | Yield |
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With sodium hydroxide; ammonia In water | |
With sodium hydroxide; ammonia In water |
pent-1-yn-5-ol
1-amino-pent-4-yne
Conditions | Yield |
---|---|
With phthalimide; di-isopropyl azodicarboxylate; triphenylphosphine; hydrazine | 60% |
Multi-step reaction with 3 steps 1: triethylamine / diethyl ether / 3 h / 0 °C 2: sodium azide / N,N-dimethyl-formamide / 3 h / 70 °C 3: triphenylphosphine / diethyl ether / 3 h / 0 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: triethylamine / diethyl ether / 3 h / 0 - 20 °C / Inert atmosphere 2.1: N,N-dimethyl-formamide; sodium azide / 3 h / 70 °C / Inert atmosphere 3.1: triphenylphosphine / diethyl ether / 3 h / 0 °C 3.2: 0 - 20 °C View Scheme |
pent-4-ynenitrile
1-amino-pent-4-yne
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether | |
With lithium aluminium tetrahydride In diethyl ether at 23℃; for 1h; |
1-chloro-4-pentyne
1-amino-pent-4-yne
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N,N-dimethyl-formamide 2: hydrazine / methanol View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 16 h / 70 °C / Inert atmosphere 2: hydrazine hydrate / ethanol / 2 h / 70 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
In ammonia; N,N-dimethyl-formamide at -40℃; | |
In ammonia |
Conditions | Yield |
---|---|
(i) NaNH2, liq. NH3, (ii) /BRN= 3906418/; Multistep reaction; |
1-amino-pent-4-yne
2-methyl-1H-pyrroline
Conditions | Yield |
---|---|
With tetrakis(dimethylamido)titanium(IV) In benzene-d6 at 20℃; for 41h; | 100% |
With C16H23AuBClN2O2 In benzene-d6 at 20℃; for 1h; | 98% |
With [Rh(Mes(carbene-1,2,3-triazole bidentate)Bn)(1,2,3,4,5-pentamethylcyclopentadienyl)Cl]BPh4 In tetrahydrofuran-d8 at 60℃; for 18h; Time; Solvent; Reagent/catalyst; Schlenk technique; Inert atmosphere; | 91% |