tert-butyl 2-acetyl-5-oxohexanoate
2,6-heptandione
Conditions | Yield |
---|---|
With trifluoroacetic acid at 20℃; for 0.5h; | 98% |
2-tert-Butylperoxy-1,2-dimethyl-cyclopentanol
2,6-heptandione
Conditions | Yield |
---|---|
In tetrachloromethane for 10h; Heating; | 96% |
N1,N5-dimethoxy-N1,N5-dimethylglutaramide
2,6-heptandione
Conditions | Yield |
---|---|
With ethylmagnesium bromide In tetrahydrofuran; diethyl ether at 0 - 20℃; for 2h; | 96% |
With methylmagnesium bromide In tetrahydrofuran; diethyl ether at 20℃; for 4h; Cooling with ice; | 20.3 g |
hepta-1,6-diyne
2,6-heptandione
Conditions | Yield |
---|---|
With (cyclohexylisocyanide)gold(I) chloride; water; potassium tetrakis(pentafluorophenyl)borate In methanol at 20℃; for 48h; | 95% |
With AuCl*C33H53OP; C33H53OP*AuCl; water; silver trifluoromethanesulfonate In methanol at 80℃; for 24h; | 89% |
6-Hydroperoxy-6-methoxy-2-heptanone
2,6-heptandione
Conditions | Yield |
---|---|
With triphenylphosphine In dichloromethane for 2h; Ambient temperature; | 94% |
Conditions | Yield |
---|---|
With silica-supported HgSO4/H2SO4/H2O In dichloromethane at 40℃; for 6h; | A 85% B 7% |
heptane-2,2,6,6-tetracarboxylic acid
2,6-heptandione
Conditions | Yield |
---|---|
Stage #1: heptane-2,2,6,6-tetracarboxylic acid With ammonia In methanol at 20℃; for 10h; Electrochemical reaction; Stage #2: With hydrogenchloride In water at 20℃; | 85% |
Stage #1: heptane-2,2,6,6-tetracarboxylic acid With ammonia In methanol at 20℃; Stage #2: With hydrogenchloride In water at 20℃; | 85% |
2,6-diisocyano-2,6-ditosylheptane
2,6-heptandione
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether; dichloromethane for 0.25h; Ambient temperature; | 82% |
5-(2-methyl-1,3-dioxolan-2-yl)-2-pentanone
2,6-heptandione
Conditions | Yield |
---|---|
With perchloric acid In diethyl ether for 1h; Ambient temperature; | 81.9% |
With sulfuric acid | |
With sulfuric acid |
Conditions | Yield |
---|---|
Stage #1: methylmagnesium bromide With tributylphosphine In tetrahydrofuran at 20℃; for 0.333333h; Stage #2: gloutaric dichloride In tetrahydrofuran at -40℃; for 0.333333h; | 75% |
1-benzyl-2,6-dicyano-2,6-dimethylpiperidine
2,6-heptandione
Conditions | Yield |
---|---|
With copper(II) sulfate In ethanol; water at 50℃; for 18h; | 74% |
1,6-heptadiene
2,6-heptandione
Conditions | Yield |
---|---|
With methanesulfonic acid; molybdovanadophosphate; oxygen; hydroquinone; palladium diacetate; sodium chloride In ethanol at 60℃; for 5h; Wacker-type oxidation; | 69% |
1,2-dimethylcyclopentane
2,6-heptandione
Conditions | Yield |
---|---|
With carbon dioxide; oxygen; 1-hydroxy-pyrrolidine-2,5-dione; cobalt(II) acetate In acetic acid at 60℃; under 44734.5 Torr; for 6h; Product distribution / selectivity; | 60% |
(E)-6-hydroxy-3-hepten-2-one
2,6-heptandione
Conditions | Yield |
---|---|
With cis-chloromethyl[bis(dicyclohexylphosphino)ethane]palladium(II); sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate; cyclohexene In 1,2-dichloro-ethane at 120℃; for 18h; Inert atmosphere; Schlenk technique; Glovebox; Sealed tube; | 59% |
Conditions | Yield |
---|---|
Stage #1: methyllithium With manganese(ll) chloride In tetrahydrofuran at 0 - 20℃; for 1h; Stage #2: gloutaric dichloride With copper(l) chloride In tetrahydrofuran at 20℃; | 52% |
1,2-dimethylcyclopentene
A
1,5-dimethyl-6-oxabicyclo[3.1.0]hexane
B
1,5-dimethyl-6,7,8-trioxa-bicyclo[3.2.1]octane
C
2,6-heptandione
D
4-oxopentyl acetate
E
methyl levulinate
1,2-dimethyl-cyclopentane-1r,2t-diol
Conditions | Yield |
---|---|
With oxygen; ozone In gas for 0.166667h; Product distribution; Ambient temperature; | A 5% B 0.5% C 51% D 2% E 3% F 1% |
1,2-dimethylcyclopentene
A
1,5-dimethyl-6-oxabicyclo[3.1.0]hexane
B
2,6-heptandione
C
4-oxopentanal
D
levulinic acid
Conditions | Yield |
---|---|
With oxygen; ozone In gas for 0.166667h; Ambient temperature; Further byproducts given; | A 5% B 51% C 9% D 5% |
Conditions | Yield |
---|---|
With sodium periodate; [(η5-pentamethylcyclopentadienyl)Ir(2-phenylpyridine(1-))Cl] In water at 23℃; for 15h; Reagent/catalyst; Inert atmosphere; | A 44% B 18% |
With sodium persulfate; iron(II) sulfate In water at 80 - 85℃; for 6h; | A 27% B 23 % Turnov. |
With sodium persulfate; iron(II) sulfate In water at 80 - 85℃; for 6h; | A 27 % Turnov. B 23% |
With sodium persulfate; iron(II) sulfate In water at 80℃; for 6h; Yield given. Yields of byproduct given; |
methylmagnesium bromide
N1,N5-dimethoxy-N1,N5-dimethylglutaramide
2,6-heptandione
Conditions | Yield |
---|---|
In tetrahydrofuran at 0 - 20℃; for 2.5h; | 40% |
In tetrahydrofuran; diethyl ether at 0 - 25℃; for 4h; Inert atmosphere; | 22.5 g |
Conditions | Yield |
---|---|
With sodium tetrachloroaurate dihydrate In methanol; water for 50h; Ambient temperature; Irradiation; | A 21% B 27% |
With dichloro bis(acetonitrile) palladium(II) In water; acetonitrile for 1.5h; Ambient temperature; Irradiation; Yield given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With methanol In water at 50℃; | 20% |
In water |
heptane-2,6-dione dioxime
2,6-heptandione
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite | |
With cis-nitrous acid In diethyl ether |
1,7-dichloro-heptane-2,6-dione
2,6-heptandione
Conditions | Yield |
---|---|
With acetic acid; zinc |
6-hydroxyheptan-2-one
2,6-heptandione
Conditions | Yield |
---|---|
With chromic acid | |
With potassium dichromate; sulfuric acid |
1,2-dimethylcyclopentene
2,6-heptandione
Conditions | Yield |
---|---|
With tetrachloromethane; ozone bei der Hydrierung des erhaltenen Ozonids an Palladium/Calciumcarbonat in Methanol; | |
With potassium permanganate; water | |
Multi-step reaction with 2 steps 1: OsO4 / diethyl ether 2: cobalt(III) acetate / acetic acid / 25 °C / var. temp.; ΔH(excit.), -ΔS(excit.), ΔG(excit.) View Scheme |
1,2-Dimethylcyclopentan-1-ol
2,6-heptandione
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 125℃; Oxydation des Reaktionsgemisches mit Permanganat; |
2-acetyl-5-methylfuran
2,6-heptandione
Conditions | Yield |
---|---|
With hydrogen; platinum at 200℃; |
cis-1,2-dimethyl-1,2-cyclopentanediol
2,6-heptandione
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; silver nitrate | |
With dipotassium peroxodisulfate at 30℃; Rate constant; | |
With cobalt(III) acetate In acetic acid at 25℃; Kinetics; Thermodynamic data; Mechanism; var. temp.; ΔH(excit.), -ΔS(excit.), ΔG(excit.); |
1,2-dimethyl-cyclopentane-1r,2t-diol
2,6-heptandione
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; silver nitrate | |
With dipotassium peroxodisulfate at 30℃; Rate constant; | |
With cobalt(III) acetate In acetic acid at 25℃; Kinetics; Thermodynamic data; Mechanism; var. temp.; ΔH(excit.), ΔS(excit.), ΔG(excit.); |
Conditions | Yield |
---|---|
(i) aq. NaOH, (ii) /BRN= 1209228/; Multistep reaction; | |
With sodium hydroxide |
2,6-heptandione
cis-2,6-dimethyltetrahydropyran
Conditions | Yield |
---|---|
With trimethylsilan; trimethylsilyl trifluoromethanesulfonate In dichloromethane for 4h; 1.) 0 deg C, 4 h; 2.) room temperatures, 2 h; | 99% |
2,6-heptandione
heptane-2,6-diol
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate In methanol; water 1.) 10-15 deg C, 1h, 2.) room temp., overnight; | 98.8% |
Stage #1: 2,6-heptandione With diphenylsilane; bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; (S,S)-2,2''-bis[(R)-1-(Et2P)ethyl]-1,1''-biferrocene In tetrahydrofuran at -30℃; for 94h; hydrosilylation; Stage #2: With methanol; potassium carbonate In tetrahydrofuran at 20℃; for 10h; methanolysis; | 75% |
With sodium tetrahydroborate |
2,6-heptandione
2-(trimethylsilyl)methylallyl iodide
(1R,5S)-1,5-Dimethyl-3-methylene-9-oxa-bicyclo[3.3.1]nonane
Conditions | Yield |
---|---|
With stannous fluoride In acetonitrile Ambient temperature; | 83% |
Conditions | Yield |
---|---|
With 4 A molecular sieve; acetic acid In dichloromethane for 2h; | 70% |
2H,3H,4H-pyrido[1,2-a]pyrimidine-2,4-dione
2,6-heptandione
Conditions | Yield |
---|---|
With potassium carbonate In ethanol Reflux; | 70% |
diiodomethane
2,6-heptandione
1,7-Diiodo-2,6-dimethyl-heptane-2,6-diol
Conditions | Yield |
---|---|
With samarium In tetrahydrofuran at 0℃; for 0.333333h; | 68% |
With samarium In tetrahydrofuran at 0℃; for 0.333333h; | 68% |
2,6-heptandione
1,3-bis(trimethylsiloxy)-1-methoxybuta-1,3-diene
(1S,5R)-1,5-Dimethyl-3-oxo-9-oxa-bicyclo[3.3.1]nonane-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane at -78℃; | 68% |
2H,3H,4H-pyrido[1,2-a]pyrimidine-2,4-dione
2,6-heptandione
4-aceto-3,11-dihydro-2H-1-methylpyrido[2,1-b]quinazoline-11-one
Conditions | Yield |
---|---|
With potassium carbonate In ethanol Reflux; | 66% |
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane for 3h; Irradiation; | 58.3% |
2,6-heptandione
ethylene glycol
5-(2-methyl-1,3-dioxolan-2-yl)-2-pentanone
Conditions | Yield |
---|---|
With pyridine hydrochloride In benzene for 16h; Heating; | 58% |
Benzyloxymethyl chloride
2,6-heptandione
7-Benzyloxy-6-hydroxy-6-methyl-heptan-2-one
Conditions | Yield |
---|---|
With samarium diiodide In tetrahydrofuran at 0℃; for 4h; | 56% |
With samarium diiodide In tetrahydrofuran Ambient temperature; | 56% |
acetonedicarboxylic acid
2,6-heptandione
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid at 80℃; for 3h; Inert atmosphere; | 55% |
With sodium acetate; ammonium chloride; potassium hydroxide |
This chemical is called Heptane-2,6-dione, and its systematic name is 2,6-heptanedione. With the molecular formula of C7H12O2, its molecular weight is 128.17. The CAS registry number of this chemical is 13505-34-5.
Other characteristics of the Heptane-2,6-dione can be summarised as followings: (1)ACD/LogP: -0.01; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.01; (4)ACD/LogD (pH 7.4): -0.01; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 23.63; (8)ACD/KOC (pH 7.4): 23.63; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 34.14 Å2; (13)Index of Refraction: 1.413; (14)Molar Refractivity: 34.53 cm3; (15)Molar Volume: 138.3 cm3; (16)Polarizability: 13.69×10-24cm3; (17)Surface Tension: 28.9 dyne/cm; (18)Density: 0.926 g/cm3; (19)Flash Point: 76.1 °C; (20)Enthalpy of Vaporization: 44.88 kJ/mol; (21)Boiling Point: 212.5 °C at 760 mmHg; (22)Vapour Pressure: 0.173 mmHg at 25°C.
Production method of this chemical: The Heptane-2,6-dione could be obtained by the reactant of 5-(2-methyl-[1,3]dioxolan-2-yl)-pentan-2-one. This reaction needs the reagent of 60 percent aq. HClO4, and the solvent of diethyl ether. The yield is 81.9 %. In addition, this reaction should be taken for 1 hour at ambient temperature.
Uses of this chemical: The Heptane-2,6-dione could react with methanol, and obtain the 1,5-dimethyl-6,8-dioxa-bicyclo[3.2.1]octane. This reaction needs the reagent of TiCl4, and the solvent of CH2Cl2. The yield is 58.3 %. In addition, this reaction should be taken for 3 hours. The other condition is irradiation.
You can still convert the following datas into molecular structure:
1.SMILES: O=C(C)CCCC(=O)C
2.InChI: InChI=1/C7H12O2/c1-6(8)4-3-5-7(2)9/h3-5H2,1-2H3
3.InChIKey: VAIFYHGFLAPCON-UHFFFAOYAO
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