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Cas:15356-70-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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MENTHOL Basic information Product Name: MENTHOL Synonyms: 3-p-Menthol;4-Isopropyl-1-methylcyclohexan-3-ol;5-methyl-2-(1-methylethyl)-,(1.alpha.,2.beta.,5.alpha.)-(+-)-Cyclohexanol;5-meth
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Min.Order:1 Gram
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Cas:15356-70-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
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(1S,2R,4R)-1-Isopropyl-2-methoxymethoxy-4-methyl-cyclohexane
menthol
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In butanone for 3.5h; Heating; | 99% |
(1S,2R,4R)-1-Isopropyl-2-(2-methoxy-ethoxymethoxy)-4-methyl-cyclohexane
menthol
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In butanone for 4h; Heating; | 99% |
menthol
Conditions | Yield |
---|---|
With phosphomolybdic acid hydrate; silica gel In tetrahydrofuran at 20℃; for 0.333333h; | 96% |
menthol
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen In methanol at 25℃; under 2280.15 Torr; for 8h; | 95.6% |
With hydrogen In toluene at 80℃; under 15001.5 Torr; for 16h; Kinetics; Catalytic behavior; Reagent/catalyst; Autoclave; | 96 %Chromat. |
benzyl 4-nitrobenzenesulfinate
menthol
Conditions | Yield |
---|---|
With potassium hydroxide In methanol at 25℃; for 0.5h; | 93% |
(E/Z)-3,7-dimethyl-2,6-octadienal
A
Citronellol
B
tetrahydrogeraniol
menthol
Conditions | Yield |
---|---|
With hydrogen In tert-butyl alcohol at 80℃; under 1500.15 - 15001.5 Torr; for 8h; Autoclave; diastereoselective reaction; | A n/a B n/a C 89% |
allyl menthyl ether
menthol
Conditions | Yield |
---|---|
With titanium(III) chloride; magnesium In tetrahydrofuran for 2.5h; Heating; | 88% |
(E/Z)-3,7-dimethyl-2,6-octadienal
A
Citronellol
B
tetrahydrogeraniol
menthol
Conditions | Yield |
---|---|
With hydrogen In tert-butyl alcohol at 80℃; under 7500.75 Torr; for 8h; Autoclave; diastereoselective reaction; | A n/a B n/a C 87% D n/a |
menthol
Conditions | Yield |
---|---|
With ruthenium(IV) oxide In cyclohexane at 75℃; under 7500.75 Torr; for 22h; Temperature; Time; | 68% |
With hydrogen; nickel at 180℃; under 7355.08 - 22065.2 Torr; | |
With calcium ethoxide at 180℃; | |
With aluminum ethoxide at 180℃; |
(E/Z)-3,7-dimethyl-2,6-octadienal
A
tetrahydrogeraniol
B
3,7-dimethyl-1-octanal
menthol
Conditions | Yield |
---|---|
With 5%-palladium/activated carbon; hydrogen In tert-butyl alcohol at 80℃; under 1500.15 - 15001.5 Torr; for 40h; Autoclave; diastereoselective reaction; | A n/a B n/a C 68% D n/a |
Conditions | Yield |
---|---|
With hydrogen at 190℃; under 15001.5 Torr; Temperature; Pressure; | A 20.37% B 10.21% C 65.58% |
Conditions | Yield |
---|---|
With hydrogen; nickel In ethanol for 2h; Ambient temperature; Title compound not separated from byproducts; | A 31% B 58% |
allyl menthyl ether
menthol
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; copper(I) bromide In chlorobenzene at 70℃; for 108h; | A 52% B 16% |
With tert.-butylhydroperoxide; copper(I) bromide In chlorobenzene at 70℃; for 108h; Product distribution; various reaction conditions; | A 52% B 16% |
(2R,5S)-menthone
menthol
Conditions | Yield |
---|---|
With Chlorella vulgaris for 24h; Culture medium; | 43% |
pulegone
menthol
Conditions | Yield |
---|---|
With Chlorella vulgaris for 24h; Culture medium; | 38% |
(E/Z)-3,7-dimethyl-2,6-octadienal
A
Citronellol
B
tetrahydrogeraniol
C
3,7-dimethyl-oct-6-enal
menthol
Conditions | Yield |
---|---|
With hydrogen In tert-butyl alcohol at 80℃; under 15001.5 Torr; for 8h; Autoclave; diastereoselective reaction; | A n/a B n/a C n/a D 34% E n/a |
(E/Z)-3,7-dimethyl-2,6-octadienal
menthol
Conditions | Yield |
---|---|
With hydrogen In cyclohexane at 70℃; under 7500.75 Torr; Catalytic behavior; Reagent/catalyst; Autoclave; Flow reactor; | 6% |
2-isopropyl-5-methyl-2-cyclohexen-1-one
menthol
Conditions | Yield |
---|---|
bei der Reduktion; inactive resp. strong racemized p-menthen-(3)-one-(5); |
Conditions | Yield |
---|---|
With hydrogen at 160℃; beim Leiten ueber Nickel; |
thymol
menthol
Conditions | Yield |
---|---|
With nickel at 140 - 200℃; Hydrogenation.unter Druck; | |
With hydrogen; nickel In methanol at 160 - 170℃; under 11032.6 Torr; | 20 g |
Multi-step reaction with 2 steps 1: Hydrogenation.Erhitzen des Reaktionsprodukts mit Kupferoxyd-Chromoxyd und geringen Mengen NaOH auf Siedetemperatur 2: alkali free Raney nickel / 135 °C / 44130.5 Torr / Hydrogenation View Scheme | |
With nickel at 140 - 200℃; Hydrogenation.unter Druck; |
piperitone
menthol
Conditions | Yield |
---|---|
With ethanol; sodium |
neoisomenthol
menthol
Conditions | Yield |
---|---|
Isomerisierung; | |
With hydrogen; nickel at 180℃; under 7355.08 - 22065.2 Torr; |
Conditions | Yield |
---|---|
at 180℃; |
isomenthol
menthol
Conditions | Yield |
---|---|
With silica gel at 200℃; |
Conditions | Yield |
---|---|
With alkali free Raney nickel at 135℃; under 47808 Torr; Hydrogenation; | |
With lithium aluminium tetrahydride; aluminum tri-bromide at -60℃; Yield given. Yields of byproduct given; | |
With hydrogenchloride; hydrogen; platinum(IV) oxide In acetic acid Ambient temperature; Yield given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With nickel at 130 - 160℃; Hydrogenation; |
Conditions | Yield |
---|---|
With di-μ-chlorobis(norbornadiene)dirhodium(I); tributylphosphine; hydrogen In methanol; benzene at 50℃; for 6h; Rate constant; also in the presence of Et3N + PPh3; |
(1S,1'R,2R,2'S,5S,5'R)-1,1'-methylenedioxybis(2-isopropyl-5-methylcyclohexane)
menthol
Conditions | Yield |
---|---|
With zinc dibromide In dichloromethane for 12h; Ambient temperature; |
menthol
Conditions | Yield |
---|---|
With samarium(II) dibromide; water 1) THF, 30 min, room temp.; Yield given. Multistep reaction. Yields of byproduct given; |
menthol
Conditions | Yield |
---|---|
With pyridine; 1,4-diaza-bicyclo[2.2.2]octane; tetraethylammonium trichloride In acetonitrile Ambient temperature; | 100% |
With oxygen; cobalt(II) acetate; ozone In ethyl acetate at 20℃; for 1h; | 97.2% |
With nicotinium dichromate In pyridine; dichloromethane for 2.5h; Product distribution; Ambient temperature; other reagents, reaction time; | 95% |
menthol
(2R,5S)-menthone
Conditions | Yield |
---|---|
With MnIII(L-5-t-Bu)(Cl); dihydrogen peroxide In water; acetonitrile at 0℃; for 1h; Reagent/catalyst; Inert atmosphere; stereoselective reaction; | 99.8% |
With ferric(III) bromide; dihydrogen peroxide In acetonitrile at 20℃; for 24h; | 88% |
phthalic anhydride
menthol
(+/-)-phthalic acid mono-menthyl ester
Conditions | Yield |
---|---|
With pyridine at 80℃; for 1h; | 99% |
at 120℃; | |
With sodium amide |
menthol
tert-butyldimethylsilyl chloride
Conditions | Yield |
---|---|
With P(MeNCH2CH2)3N; triethylamine In acetonitrile at 24℃; for 3h; | 99% |
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; |
menthol
methanesulfonyl chloride
2‐isopropyl‐5‐methylcyclohexyl methanesulfonate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
In dichloromethane PTFE sealed tube; | 92% |
menthol
calcium carbide
Conditions | Yield |
---|---|
With potassium fluoride; dimethylsulfoxide-d6; potassium tert-butylate; water-d2 at 130℃; for 3h; Sealed tube; | 92% |
menthol
(S)-(-)-3,3,3-Trifluormilchsaeure
Conditions | Yield |
---|---|
In benzene Esterification; Heating; | 91% |
menthol
acetyl chloride
rac-2-isopropyl-5-methylcyclohexyl acetate
Conditions | Yield |
---|---|
With pyridine In chloroform at 20℃; Cooling with ice; | 91% |
With triethylamine In dichloromethane |
Conditions | Yield |
---|---|
In dichloromethane PTFE sealed tube; | 90% |
chloro-trimethyl-silane
menthol
(-)-menthol trimethylsilyl ether
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; | 90% |
menthol
acetic anhydride
rac-2-isopropyl-5-methylcyclohexyl acetate
Conditions | Yield |
---|---|
for 0.133333h; microwave irradiation; | 89% |
With dmap; triethylamine In diethyl ether | 78% |
With P(MeNCH2CH2)3N 1) pentane, 24 deg C, 5 min; 2) pentane, 0.16 h, 24 deg C; further solvents: C6H6, CH3CN; Yield given. Multistep reaction; | |
With pyridine at 100℃; for 1h; |
menthol
trimethyl orthoformate
(1R,2S,4S)-2-Dimethoxymethoxy-1-isopropyl-4-methyl-cyclohexane
Conditions | Yield |
---|---|
With magnesium chloride In dichloromethane at 25℃; for 12h; | 88% |
menthol
calcium carbide
Conditions | Yield |
---|---|
With potassium fluoride; potassium tert-butylate; water In dimethyl sulfoxide at 130℃; for 3h; Sealed tube; | 88% |
menthol
methyl 3-(4-hydroxy-3,5-di-tert-butyl)phenylpropanoate
Conditions | Yield |
---|---|
Stage #1: menthol; methyl 3-(4-hydroxy-3,5-di-tert-butyl)phenylpropanoate In xylene for 0.5h; Heating; Stage #2: With TiO(acac)2 In xylene for 80h; Heating; | 85% |
menthol
sodium 4-methylbenzenesulfinate
(1R, 2S, 5R)-2-isopropyl-5-methylcyclohexyl 4-methylbenzenesulfinate
Conditions | Yield |
---|---|
With chloro-trimethyl-silane In dichloromethane at 0℃; for 1h; | 85% |
menthol
benzoyl chloride
(1R,2S,4S)-2-isopropyl-4-methylcyclohexyl benzoate
Conditions | Yield |
---|---|
With pyridine In chloroform at 20℃; Cooling with ice; | 83% |
With potassium carbonate |
Conditions | Yield |
---|---|
With rhodium (II) octanoate dimer In chloroform at 120℃; for 5h; Inert atmosphere; | 83% |
menthol
1-<(isocyanate)-methyl>-4-phenyl-1H-1,2,3-triazole
Conditions | Yield |
---|---|
In benzene for 21h; Heating; | 82% |
Conditions | Yield |
---|---|
With dmap; sodium carbonate In ethyl acetate for 2h; Ambient temperature; | 81% |
Conditions | Yield |
---|---|
With triethylamine In benzene byproducts: C5H6, (NHEt3)Cl; under Ar, molar ratio of (C5H5)2TiCl2:alcohol:triethylamine=1:1:1, 45-50°C, 16 h; evapn. in vac., resoln. of the residue in hexane, filtration, concn. in vac., crystn. at -20°C, recrystn. (hexane), elem. anal.; | 80% |
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 25℃; for 24h; Mitsunobu Displacement; | 79% |
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