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Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
A
(1R,2R,4aS,8aS)-1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-decahydronaphthalen-2-ol
B
(-)-ambroxide
Conditions | Yield |
---|---|
With RuCl2(2-(diphenylphosphino)-N-(thiophen-2-ylmethyl)ethanamine)PPh3; hydrogen In toluene at 100℃; under 37503.8 Torr; for 16h; Catalytic behavior; Reagent/catalyst; Temperature; Solvent; Inert atmosphere; Autoclave; | A 99.5% B n/a |
With RuCl2(2-(diphenylphosphino)-N-(2-(methylthio)ethyl)ethanamine)PPh3; hydrogen; sodium methylate In toluene at 100℃; for 16h; Catalytic behavior; Autoclave; | A 67% B 12% |
biscyclohomofarnesane-8α,12-diol
(-)-ambroxide
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate In acetonitrile at 20℃; for 11h; | 98% |
(-)-ambroxide
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate In acetonitrile at 20℃; for 10h; | 97% |
(1R,2R,4aS,8aS)-1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-decahydronaphthalen-2-ol
(-)-ambroxide
Conditions | Yield |
---|---|
With n-butyllithium; p-toluenesulfonyl chloride In tetrahydrofuran; hexane at 0 - 20℃; | 96% |
With sodium hydride; p-toluenesulfonyl chloride In dichloromethane at 25℃; | 94% |
With zinc(II) chloride In 1,2-dichloro-ethane for 3h; | 92% |
Δ2(3)-ambrox
(-)-ambroxide
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen In ethyl acetate at 20℃; for 12h; | 96% |
With palladium 10% on activated carbon; hydrogen In methanol under 760.051 Torr; | 92% |
(1R,2R,4aS,8aS)-1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-decahydronaphthalen-2-ol
(-)-ambroxide
Conditions | Yield |
---|---|
With hydrogenchloride In water; toluene | 95% |
<1R-(1α,2β,4aβ,8aα)>-decahydro-1-(2-chloroethyl)-2,5,5,8a-tetramethyl-2-naphthalenol acetate
(-)-ambroxide
Conditions | Yield |
---|---|
With potassium hydroxide In water; isopropyl alcohol | 92% |
(3aS,5aS,9aS,9bR)-3a,6,6,9a-Tetramethyl-decahydro-naphtho[2,1-b]furan-4-one
(-)-ambroxide
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine | 90% |
(-)-ambroxide
Conditions | Yield |
---|---|
With sodium tetrahydroborate; zinc(II) iodide In tetrahydrofuran for 1h; Heating; | 85% |
Multi-step reaction with 2 steps 1: 95 percent / potassium borohydride / ethanol / 10 h / Heating 2: 92 percent / bromotrichloromethane; triphenylphosphine; NaHCO3 / CH2Cl2 / 6 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 97 percent / LiAlH4 / tetrahydrofuran / 3 h / 20 °C 2: 96 percent / n-BuLi; TsCl / hexane; tetrahydrofuran / 0 - 20 °C View Scheme |
<1R-(1α,2β,4aβ,8aα)>-1-decahydro-1-(2-iodoethyl)-2,5,5,8a-tetramethyl-2-naphthalenol acetate
(-)-ambroxide
Conditions | Yield |
---|---|
With potassium hydroxide In water; isopropyl alcohol for 18h; Heating; | 81% |
2-((1S,4aS,8aS)-2,5,5,8a-tetramethyl-1,4,4a,5,6, 7,8,8a-octahydronaphthalen-1-yl)ethan-1-ol
A
2-[(4aS,8aS)-3,4,4a,5,6,7,8,8a-octahydro-2,5,5,8a-tetramethylnaphthalen-1-yl]ethanol
B
(-)-ambroxide
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In nitromethane for 18h; Ambient temperature; | A n/a B 80% |
2-[(4aS,8aS)-3,4,4a,5,6,7,8,8a-octahydro-2,5,5,8a-tetramethylnaphthalen-1-yl]ethanol
(-)-ambroxide
Conditions | Yield |
---|---|
With iron(III) chloride In 1,2-dichloro-ethane at 25℃; Reagent/catalyst; enantioselective reaction; | 77% |
Acidic conditions; |
13,14,15,16-tetranor-8βH-labdane-8,12-diol
(-)-ambroxide
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In nitromethane at 80℃; for 0.5h; | 76% |
With toluene-4-sulfonic acid In nitromethane at 40℃; for 0.0833333h; | 45% |
8α,12-epoxy-13,14,15,16-tetranorlabdan-19-al
(-)-ambroxide
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine hydrate In various solvent(s) for 1h; Heating; | 71% |
With potassium hydroxide; hydrazine hydrate In various solvent(s) for 1h; Heating; | 71% |
(1R,2R,4aS,8aS)-1-(2-hydroxyethyl)-2,5,5,8a-tetramethyldecahydronaphthalen-2-yl acetate
A
(1R,2R,4aS,8aS)-1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-decahydronaphthalen-2-ol
B
(-)-ambroxide
Conditions | Yield |
---|---|
With sodium methylate; carbonic acid dimethyl ester In tetrahydrofuran; methanol at 65℃; for 2h; | A 4% B 67% |
<1S-(1α,2β,3β,4β,4aβ,8aα)> decahydro-3-hydroxyl-2,5,5,8a-tetramethylnaphthalene-1-ethanol
A
(-)-ambroxide
B
8β,12-epoxy-13,14,15,16-tetranorlabdane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 80℃; for 2h; | A 48% B 10% |
(1R,2R,4aS,8aS)-1-(3-Hydroperoxy-3-methyl-pent-4-enyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol
(-)-ambroxide
Conditions | Yield |
---|---|
With copper diacetate; iron(II) sulfate In methanol at 50℃; for 3h; | 33% |
With copper diacetate; iron(II) sulfate In methanol at 50℃; for 3h; Product distribution; other amounts of reagents; | |
Multi-step reaction with 4 steps 1: triphenylphosphine / diethyl ether / 24 h / 20 °C 2: 83 percent / H2 / 5percent Pd/C / ethanol / 760 Torr / Ambient temperature 3: 1.) aq. NaOCl / 1.) AcOH, CCl4, 0 deg C, 3h, 2.) 30-35 deg C, 3h 4: 80percent NaH / tetrahydrofuran / 3 h / Heating View Scheme |
Conditions | Yield |
---|---|
With dihydrogen peroxide In water at 70℃; for 4h; | 20% |
Multi-step reaction with 2 steps 1.1: potassium permanganate; acetic anhydride / acetone / 2 h / 0 °C 1.2: 97 percent / lithium aluminum hydride / tetrahydrofuran / 2 h / 20 °C 2.1: 92 percent / bromotrichloromethane; triphenylphosphine; NaHCO3 / CH2Cl2 / 6 h / Heating View Scheme | |
Multi-step reaction with 6 steps 1.1: peracetic acid; NaOAc / ethyl acetate / 192 h / 20 °C 2.1: 1 N aq. NaOH / 2-methyl-propan-2-ol / 20 °C 2.2: H2SO4 / ethyl acetate / 2 h / 0 - 20 °C 3.1: 97 percent / NaIO4 / tetrahydrofuran; H2O / 16 h / 20 °C 4.1: 95 percent / peracetic acid / 50 - 55 °C 5.1: 97 percent / LiAlH4 / tetrahydrofuran / 3 h / 20 °C 6.1: 96 percent / n-BuLi; TsCl / hexane; tetrahydrofuran / 0 - 20 °C View Scheme |
C20H39N2O3P
(-)-ambroxide
Conditions | Yield |
---|---|
With lithium In various solvent(s) Yield given; |
(1R,2R,4aS,8aS)-1-(2-Chloro-ethyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol
(-)-ambroxide
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran for 3h; Heating; Yield given; |
(-)-ambroxide
Conditions | Yield |
---|---|
for 1h; Ambient temperature; Yield given; |
(4aS,6aR,11aR,11bS)-4,4,6a,11b-Tetramethyl-dodecahydro-7,9-dioxa-cyclohepta[a]naphthalene
(-)-ambroxide
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane |
(-)-ambroxide
Conditions | Yield |
---|---|
With naphthalene-2-sulfonate Erhitzen unter vermindertem Druck; |
(1R,2R,4aS,8aS)-1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-decahydronaphthalen-2-ol
A
2-((1S,4aS,8aS)-2,5,5,8a-tetramethyl-1,4,4a,5,6, 7,8,8a-octahydronaphthalen-1-yl)ethan-1-ol
B
2-[(4aS,8aS)-3,4,4a,5,6,7,8,8a-octahydro-2,5,5,8a-tetramethylnaphthalen-1-yl]ethanol
C
(-)-ambroxide
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane for 0.5h; Heating; Title compound not separated from byproducts; | A 7.2 % Chromat. B 16.8 % Chromat. C 67.4 % Chromat. |
With toluene-4-sulfonic acid In dichloromethane at 20℃; for 1h; Title compound not separated from byproducts; | A 7.6 % Chromat. B 16.8 % Chromat. C 65.2 % Chromat. |
(1R,2R,4aS,8aS)-1-(2-hydroxyethyl)-2,5,5,8a-tetramethyl-decahydronaphthalen-2-ol
A
2-[(4aS,8aS)-3,4,4a,5,6,7,8,8a-octahydro-2,5,5,8a-tetramethylnaphthalen-1-yl]ethanol
B
(-)-ambroxide
C
8β,12-epoxy-13,14,15,16-tetranorlabdane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane for 30h; Heating; Title compound not separated from byproducts; | A 11.2 % Chromat. B 29.6 % Chromat. C 59.1 % Chromat. |
Conditions | Yield |
---|---|
Stage #1: (E,E)-homofarnesyl triethylsilyl ether With (R)-2-(o-fluorobenzyloxy)-2'-methoxy-1,1'-binaphthyl*SnCl4 In toluene at -78℃; for 72h; Stage #2: With 1H-imidazole; triethylsilyl chloride In N,N-dimethyl-formamide at 20℃; for 5h; Stage #3: With TFA*SnCl4 In toluene at -78℃; for 24h; Further stages. Title compound not separated from byproducts.; |
Conditions | Yield |
---|---|
With naphthalene-2-sulfonate Erhitzen unter vermindertem Druck; |
8-hydroxy-15,16-dinor-labdan-13-one
(-)-ambroxide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 83 percent / sodium chromate; acetic anhydride; glacial acetic acid / benzene / 4 h / 70 °C 2: 95 percent / potassium borohydride / ethanol / 10 h / Heating 3: 92 percent / bromotrichloromethane; triphenylphosphine; NaHCO3 / CH2Cl2 / 6 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 83 percent / sodium chromate; acetic anhydride; glacial acetic acid / benzene / 4 h / 70 °C 2: 85 percent / zinc iodide; sodium borohydride / tetrahydrofuran / 1 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: 96 percent / PhLi / tetrahydrofuran; cyclohexane; diethyl ether / 1 h / 20 °C 2.1: tetrahydrofuran / 24 h / 20 °C 3.1: H2O2; NaOH / tetrahydrofuran 4.1: 100 percent / imidazole / dimethylformamide / 20 °C 5.1: (R)-2-(o-fluorobenzyloxy)-2'-methoxy-1,1'-binaphthyl*SnCl4 / toluene / 72 h / -78 °C 5.2: ClSiEt3; imidazole / dimethylformamide / 5 h / 20 °C 5.3: TFA*SnCl4 / various solvent(s); toluene / 24 h / -78 °C View Scheme |
Conditions | Yield |
---|---|
With sodium benzoate; [Ir(2-(2,4-difluorophenyl)-5-(trifluoromethyl)pyridine)2(4,4'-di-tert-butyl-2,2'-bipyridine)](PF6) In acetonitrile at 20℃; for 2h; Inert atmosphere; Irradiation; regioselective reaction; | 95% |
(-)-ambroxide
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate; C17H18ClFeN6O6(2-); 3-chloro-benzenecarboperoxoic acid In water; acetonitrile at 20℃; | 90% |
With (R,R)-Fe(PDP); dihydrogen peroxide; acetic acid regioselective reaction; | 80% |
With 2,6-dichloropyridine N-oxide; dichloro(5,10,15,20-tetramesitylporphyrinato)ruthenium(IV) In 1,2-dichloro-ethane at 40℃; for 24h; Reagent/catalyst; Inert atmosphere; regioselective reaction; | 80% |
Conditions | Yield |
---|---|
With benzophenone In acetonitrile at 20℃; for 2h; Inert atmosphere; UV-irradiation; stereoselective reaction; | 89% |
With benzophenone In acetonitrile at 20℃; for 2h; Inert atmosphere; UV-irradiation; chemoselective reaction; | 89% |
Conditions | Yield |
---|---|
With [Ir(dF(CF3)ppy)2(5,5'dCF3bpy)]PF6; dibutylphosphoric acid tetrabutylammonium salt In dichloromethane at 20℃; for 24h; Glovebox; Inert atmosphere; Irradiation; | 88% |
With 2-chloroanthracene-9,10-dione In dichloromethane at 20℃; for 4h; Irradiation; Optical yield = 48 %de; diastereoselective reaction; |
(-)-ambroxide
Conditions | Yield |
---|---|
With 4-toluenesulfonyl azide; 4-Benzoylpyridine In benzene at 20℃; for 3h; UV-irradiation; Inert atmosphere; chemoselective reaction; | 77% |
Conditions | Yield |
---|---|
With pentacene-5,7,12,14-tetraone; potassium carbonate In dichloromethane at 20℃; for 24h; Inert atmosphere; Irradiation; | 74% |
(-)-ambroxide
(1S,6S)-2-(2-bromoethyl)-1,3,7,7-tetramethylbicyclo[4.4.0]dec-2-ene
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; tetraethylammonium bromide In dichloromethane at 20℃; Ring cleavage; | 72% |
Conditions | Yield |
---|---|
With 4-Benzoylpyridine In tetrahydrofuran at 20℃; for 6h; Inert atmosphere; UV-irradiation; | 70% |
(-)-ambroxide
(4aS,8aS)-5-(2-iodoethyl)-1,1,4a,6-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalene
Conditions | Yield |
---|---|
With aluminium trichloride; sodium iodide In dichloromethane; acetonitrile at 20℃; Ring cleavage; | 69% |
Conditions | Yield |
---|---|
With bis(acetylacetonate)nickel(II); 5,5'-dimethyl-2,2'-bipyridine; (4-methoxyphenyl)(4-(trifluoromethyl)phenyl)methanone; sodium carbonate In benzene at 20℃; for 96h; Schlenk technique; diastereoselective reaction; | A 69% B n/a |
With bis(acetylacetonate)nickel(II); 5,5'-dimethyl-2,2'-bipyridine; (4-methoxyphenyl)(4-(trifluoromethyl)phenyl)methanone; sodium hydrogencarbonate In benzene at 20℃; for 96h; Schlenk technique; Inert atmosphere; Irradiation; Overall yield = 69 %; Overall yield = 76.7 mg; diastereoselective reaction; | A n/a B n/a |
Conditions | Yield |
---|---|
With eosin In tert-butyl alcohol at 0 - 60℃; for 48h; Sealed tube; Inert atmosphere; Irradiation; | 68% |
(-)-ambroxide
C16H28O3
Conditions | Yield |
---|---|
With Botrytis cynerea for 72h; Microbiological reaction; chemoselective reaction; | 60% |
(-)-ambroxide
A
(1R,2R,4aS,8aS)-(2-hydroxy-2,5,5,8a-tetramethylperhydronaphthyl)acetic acid
Conditions | Yield |
---|---|
With [((S,S)-N,N′-bis(2-pyridylmethyl)-(S,S)-2,2′-bipyrrolidine)FeII(OTf)2]; dihydrogen peroxide; acetic acid In water; acetonitrile at 0 - 20℃; Catalytic behavior; Inert atmosphere; regiospecific reaction; | A 29% B 54% |
Conditions | Yield |
---|---|
With ethanol; bis-[(trifluoroacetoxy)iodo]benzene In dimethyl sulfoxide; 1,2-dichloro-ethane at 20℃; for 12h; Schlenk technique; Inert atmosphere; Irradiation; diastereoselective reaction; | 53% |
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