7,7-diethoxy-hept-3c-ene
(Z)-4-heptenal
Conditions | Yield |
---|---|
With formic acid |
2-hex-3-enyl-4,4,6-trimethyl-[1,3]oxazinane
(Z)-4-heptenal
Conditions | Yield |
---|---|
With oxalic acid |
Conditions | Yield |
---|---|
Multistep reaction; | |
Multi-step reaction with 3 steps 1: PBr3, Py 2: (i) Mg, (ii) /BRN= 1719716/ 3: HCO2H View Scheme |
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In benzene at 80℃; under 49400 Torr; for 3h; | 80 % Chromat. |
(Z)-2-(hept-4-en-1-yloxy)tetrahydro-2H-pyran
(Z)-4-heptenal
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 74 percent / conc. H2SO4 / acetone; H2O / 20 °C 2: 65 percent / NACAA / CH2Cl2; pyridine / 0.33 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / methanol / 15 h / 20 °C 2: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene / dichloromethane / 1 h / 20 °C View Scheme |
1-bromo-pent-2-yne
(Z)-4-heptenal
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 60 percent / benzene / 12 h / Heating 2: 65 percent / NaCl, H2O / dimethylsulfoxide / 8 h / 160 °C 3: 76 percent / LAH, EtOH / diethyl ether 4: 80 percent / H2, quinoline / Lindlar's catalyst / hexane 5: 58 percent / pyridinium chlorochromate, NaOAc / CH2Cl2 / 4 h View Scheme |
hept-4-yn-1-ol
(Z)-4-heptenal
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 80 percent / H2, quinoline / Lindlar's catalyst / hexane 2: 58 percent / pyridinium chlorochromate, NaOAc / CH2Cl2 / 4 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 77 percent / PBr3, pyridine / diethyl ether / Ambient temperature 2: 60 percent / benzene / 12 h / Heating 3: 65 percent / NaCl, H2O / dimethylsulfoxide / 8 h / 160 °C 4: 76 percent / LAH, EtOH / diethyl ether 5: 80 percent / H2, quinoline / Lindlar's catalyst / hexane 6: 58 percent / pyridinium chlorochromate, NaOAc / CH2Cl2 / 4 h View Scheme |
ethyl 2-carbethoxy-hept-4-yn-1-oate
(Z)-4-heptenal
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 65 percent / NaCl, H2O / dimethylsulfoxide / 8 h / 160 °C 2: 76 percent / LAH, EtOH / diethyl ether 3: 80 percent / H2, quinoline / Lindlar's catalyst / hexane 4: 58 percent / pyridinium chlorochromate, NaOAc / CH2Cl2 / 4 h View Scheme |
ethyl hept-4-yn-1-oate
(Z)-4-heptenal
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 76 percent / LAH, EtOH / diethyl ether 2: 80 percent / H2, quinoline / Lindlar's catalyst / hexane 3: 58 percent / pyridinium chlorochromate, NaOAc / CH2Cl2 / 4 h View Scheme |
(Z)-4-Heptensaeure-ethylester
(Z)-4-heptenal
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 82 percent / LiAlH4 / diethyl ether 2: 76 percent / pyridinium chlorochromate / CH2Cl2 / 2 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (i) Mg, (ii) /BRN= 1719716/ 2: HCO2H View Scheme |
(Z)-4-heptenal
Conditions | Yield |
---|---|
With hydrogen In ethanol | 10.5 g (94%) |
Conditions | Yield |
---|---|
Stage #1: ethyl acetate With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.333333h; Stage #2: (Z)-4-heptenal In tetrahydrofuran; hexane at -78℃; for 2h; | 100% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; | 99% |
p-toluene sulfinic acid
(Z)-4-heptenal
benzamide
(Z)-N-(1-tosylhept-4-enyl)benzamide
Conditions | Yield |
---|---|
With magnesium sulfate In dichloromethane at 20℃; | 99% |
Conditions | Yield |
---|---|
Stage #1: (Z)-4-heptenal; dibenzyl azodicarboxylate With D-Prolin In acetonitrile at 0℃; for 0.5h; Stage #2: methanol With sodium tetrahydroborate In acetonitrile at 0℃; for 2.63333h; Stage #3: With sodium hydroxide In acetonitrile at 20℃; for 3h; enantioselective reaction; | A 99% B n/a |
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran; nitromethane; tert-butyl alcohol at 20℃; for 1h; Henry reaction; | 98% |
With potassium tert-butylate In tetrahydrofuran; tert-butyl alcohol Henry reaction; |
(Z)-4-heptenal
bis-(2,2,2-trifluoroethyl)(methoxycarbonylmethyl)phosphonate
C10H16O2
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium hexamethylsilazane In tetrahydrofuran at -78℃; Still-Gennari reaction; | 98% |
Conditions | Yield |
---|---|
In diethyl ether for 0.333333h; Heating; | 97% |
(Z)-4-heptenal
(R)-2-methylpropane-2-sulfinamide
(R)-N-[(Z)-hept-4-en-(E)-ylidene]-(2-tert-butane)sulfinamide
Conditions | Yield |
---|---|
With copper(II) sulfate In dichloromethane at 20℃; | 97% |
Conditions | Yield |
---|---|
In diethyl ether for 0.333333h; Heating; | 96% |
In tetrahydrofuran Heating; |
Conditions | Yield |
---|---|
With sodium hydroxide; cetyltrimethylammonium chloride for 3h; Ambient temperature; | 95% |
Conditions | Yield |
---|---|
In diethyl ether at 0 - 20℃; for 0.583333h; | 95% |
Conditions | Yield |
---|---|
With cerium(III) chloride; sodium iodide In acetonitrile at 20℃; for 25.5h; | 93% |
(Z)-4-heptenal
methyl (triphenylphosphoranylidene)acetate
Methyl-6Z,2E-nonadienoat
Conditions | Yield |
---|---|
In dichloromethane at 40℃; | 93% |
Conditions | Yield |
---|---|
Stage #1: (Z)-4-heptenal; vinyl magnesium bromide In tetrahydrofuran; diethyl ether at 0℃; for 0.5h; Inert atmosphere; Stage #2: methyl chloroformate In tetrahydrofuran; diethyl ether at 20℃; for 2h; Inert atmosphere; | 92% |
(Z)-4-heptenal
allyldimethylphenylsilane
Conditions | Yield |
---|---|
Stage #1: allyldimethylphenylsilane With n-butyllithium In tetrahydrofuran; hexane at 20℃; for 0.25h; Stage #2: With triisopropoxytitanium(IV) chloride In tetrahydrofuran; hexane at -78℃; for 0.333333h; Stage #3: (Z)-4-heptenal In tetrahydrofuran; hexane at -78℃; for 1.5h; Further stages.; | 88% |
Conditions | Yield |
---|---|
With Amberlyst A-21 for 6h; | 87% |
Conditions | Yield |
---|---|
Stage #1: trimethylsilyl cyanide; (Z)-4-heptenal With potassium cyanide; 18-crown-6 ether In dichloromethane at 25℃; for 3h; Stage #2: With lithium aluminium tetrahydride In diethyl ether at 25℃; for 7h; | 86% |
(Z)-4-heptenal
(2R,3R)-3-Hydroxy-4-(4-methoxy-phenoxy)-2-methyl-butyric acid
Conditions | Yield |
---|---|
Stage #1: (2R,3R)-3-Hydroxy-4-(4-methoxy-phenoxy)-2-methyl-butyric acid With 1,1,1,3,3,3-hexamethyl-disilazane In dichloromethane at 35℃; for 18h; Stage #2: (Z)-4-heptenal With 2,6-di-tert-butyl-4-methylpyridine; trimethylsilyl trifluoromethanesulfonate In dichloromethane at -78℃; for 0.5h; Stage #3: With trifluorormethanesulfonic acid In dichloromethane | 86% |
(Z)-4-heptenal
(2R,3R)-3-Hydroxy-4-(4-methoxy-phenoxy)-2-methyl-butyric acid
A
C19H26O5
Conditions | Yield |
---|---|
Stage #1: (2R,3R)-3-Hydroxy-4-(4-methoxy-phenoxy)-2-methyl-butyric acid With 1,1,1,3,3,3-hexamethyl-disilazane In dichloromethane at 20 - 35℃; for 18h; Inert atmosphere; Stage #2: (Z)-4-heptenal With 2,6-di-tert-butyl-4-methylpyridine; trimethylsilyl trifluoromethanesulfonate In dichloromethane at -78℃; for 0.5h; Inert atmosphere; optical yield given as %de; | A 86% B n/a |
Conditions | Yield |
---|---|
With sulfur; triethylamine for 12h; Gewald Aminoheterocycles Synthesis; Reflux; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 0℃; for 5h; | 86% |
(Z)-4-heptenal
1-phenylsulfonyl-2-propanone
(7Z)-4-hydroxy-1-phenylsulfonyl-7-decen-2-one
Conditions | Yield |
---|---|
Stage #1: 1-phenylsulfonyl-2-propanone With N,N,N,N,N,N-hexamethylphosphoric triamide; lithium diisopropyl amide In tetrahydrofuran; hexane at 0℃; for 4h; Stage #2: (Z)-4-heptenal In tetrahydrofuran; hexane at 0 - 20℃; Further stages.; | 85% |
(Z)-4-heptenal
(R,Z)-hept-4-ene-1,2-diol
Conditions | Yield |
---|---|
Stage #1: (Z)-4-heptenal With Nitrosobenzene; L-proline In chloroform at 0℃; for 2h; Stage #2: With sodium tetrahydroborate In ethanol; chloroform at 0℃; for 2h; Stage #3: With acetic acid; zinc In ethanol at 20℃; for 16h; | 84% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 0℃; for 0.5h; | 84% |
Conditions | Yield |
---|---|
Stage #1: 1-benzofurane With n-butyllithium In diethyl ether; hexane at -78 - 20℃; for 3.75h; Inert atmosphere; Stage #2: (Z)-4-heptenal In diethyl ether; hexane at -78℃; for 1.5h; Inert atmosphere; | 84% |
(Z)-4-heptenal
Conditions | Yield |
---|---|
With (R)-10-camphorsulfonic acid In dichloromethane at 25℃; for 96h; | 83% |
Conditions | Yield |
---|---|
Stage #1: (Z)-4-heptenal; methylmagnesium bromide In tetrahydrofuran; toluene at -78 - 20℃; Stage #2: With water; ammonium chloride In tetrahydrofuran; toluene | 83% |
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at 0 - 20℃; for 1h; | 83% |
Conditions | Yield |
---|---|
Stage #1: cyclohexenone; (R)-1-(3,5-bis(trifluoromethyl)phenyl)-3-(1-(2-(dimethylamino)naphthalen-1-yl)naphthalen-2-yl)thiourea In acetonitrile at 0℃; for 0.166667h; Baylis-Hillman Reaction; Stage #2: (Z)-4-heptenal In acetonitrile for 72h; Product distribution / selectivity; | 82% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 15h; | 80% |
The 4-Heptenal, (4Z)-, with the CAS registry number 67284-57-5, is also known as 4-cis-Heptenal. It belongs to the product categories of Alphabetical Listings; Flavors and Fragrances; G-H; Alpha Sort; E-L; Volatiles/Semivolatiles. Its EINECS number is 229-779-7. This chemical's molecular formula is C7H12O and formula weight is 112.17. What's more, its IUPAC name is (Z)-hept-4-enal. It is flammable, so you should keep it away from sources of ignition - No smoking. Its storage temperature is 0-6°C.
Physical properties of 4-Heptenal, (4Z)- are: (1)ACD/LogP: 2.17; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 1; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 4; (6)Polar Surface Area: 17.07 Å2; (7)Index of Refraction: 1.427; (8)Molar Refractivity: 34.72 cm3; (9)Molar Volume: 135 cm3; (10)Surface Tension: 26.6 dyne/cm; (11)Density: 0.83 g/cm3; (12)Flash Point: 35.2 °C; (13)Enthalpy of Vaporization: 38.84 kJ/mol; (14)Boiling Point: 151.6 °C at 760 mmHg; (15)Vapour Pressure: 3.64 mmHg at 25°C.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CCC=CCCC=O
(2)Isomeric SMILES: CC/C=C\CCC=O
(3)InChI: InChI=1S/C7H12O/c1-2-3-4-5-6-7-8/h3-4,7H,2,5-6H2,1H3/b4-3-
(4)InChIKey: VVGOCOMZRGWHPI-ARJAWSKDSA-N
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