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inquiryItems Standard Result Appearance White or pale-white crystalline powder Conforms Melting point
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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inquiryProduct description: Product name 4-Hydroxycoumarin CAS number 1076-38-6 Assay ≥99% Appearance White crystalline powder Capacity 100mt/year Application Pharmaceutical/pestici
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inquiryUnique advantages for 4-Hydroxycoumarin Cas 1076-38-6 High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:Store below +30°C Package:25kg/drum Application:pharmaceuti
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Stable quality 4-Hydroxycoumarin 1076-38-6 with high purity factory ISO9001 Appearance:White or off white crystalline powder Assay: 99.0% min Melting point:213℃-217 ℃ Sulfate residue :0.20% max Loss on drying:0.5% max Wuhan Kemi-Work
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Product quality, process, price and service 4-Hydroxycoumarin CAS 1076-38-6 4-Coumarinyl alcohol IN Stock 4-Hydroxy-1-benzopyran-2-one 1076-38-6 1076-38-6 CAS 1076-38-6 h
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inquiryName:4-Hydroxycoumarin English Name: 4-Hydroxycoumarin CAS No.1076-38-6 Molecular formula:C9H6O3 Molecular weight: 162.14 Packaging Specification: 25kg/drum high purity 99%min stock Hubei DiBo Chemical Co., Ltd. was founded in 2009, is a
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inquiryProduct Name: 4-Hydroxycoumarin Synonyms: 4-HydroxycoumarinN;7-hydroxy-1-benzopyran-2-one;4-hydroxy-2h-1-benzopyran-2-on;COUMARINOL;HYDROXYCOUMARIN, 4-;2H-1-BENZOPYRAN-2-ONE, 4-HYDROXY-;4-coumarinyl alcohol;4-HYDROXY-CHROMEN-2-ONE CAS: 1076-38-6
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inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
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inquiryChemical Name 4-Hydroxycoumarin Synonyms 4-Hydroxy-1-benzopyran-2-one; 4-Coumarinyl alcohol CAS No. 1076-38-6 EINECS No. 214-060-2
Appearance:White crystals Storage:R.T Package:25kg/drum Application:Intermediates Transportation:Express/Sea/Air Port:Any port in China
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inquiryBulk 99% 4-Hydroxy-2H-1-Benzopyran-2-On/4-Hydroxycoumarin Powder Product Name: 4-Hydroxycoumarin Synonyms: 4-hydroxy-1-benzopyran-2-one; 4-coumarinyl alcohol; 4-Hydroxy-chromen-2-one; 4-hydroxy cou
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inquiry4-Hydroxycoumarin CAS:1076-38-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermed
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Product Name: 4-Hydroxycoumarin Synonyms: 4-hydroxy-2h-1-benzopyran-2-on;COUMARINOL;HYDROXYCOUMARIN, 4-;2H-1-BENZOPYRAN-2-ONE, 4-HYDROXY-;4-coumarinyl alcohol;4-HYDROXY-CHROMEN-2-ONE;4-HYDROXYCOUMARIN;4-HYDROXYCUMARIN CAS: 1076-38-6 MF: C9H6
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Conditions | Yield |
---|---|
With selenium; 1,5-Diazabicyclo[5.4.0]undec-5-ene In tetrahydrofuran at 90℃; | 100% |
With selenium; 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 100℃; under 22800 Torr; for 30h; | 100% |
With selenium; 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 100℃; under 22800 Torr; for 30h; Mechanism; carbonylation of alkyl aryl ketones with CO using stoichiometric amount of Se, variation of temperature and solvent; | 100% |
With triethylamine In tetrahydrofuran at 80℃; under 7355.08 Torr; for 4h; | 95% |
With nitrobenzene; 1,8-diazabicyclo[5.4.0]undec-7-ene; selenium In tetrahydrofuran at 90℃; under 22800 Torr; for 30h; Mechanism; catalytic carbonylation of alkyl aryl ketones with CO by Se in the presence of oxidizing agent; | 68% |
4-allyloxy-2H-chromen-2-one
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With sodium hydrogen telluride; acetic acid In ethanol for 2h; Heating; | 99% |
With ammonium formate; palladium on activated charcoal In methanol for 1.5h; Heating; | 95% |
With iodine In dimethyl sulfoxide at 120℃; for 0.5h; | 78% |
Conditions | Yield |
---|---|
With potassium hydroxide In methanol; water | 96% |
Conditions | Yield |
---|---|
With sodium hydride In toluene at 0℃; for 4.5h; Reflux; | 95% |
With sodium hydride In toluene at 100℃; for 3h; | 85% |
Stage #1: o-hydroxyacetophenone With sodium hydride In toluene; mineral oil Stage #2: Diethyl carbonate In toluene; mineral oil Reflux; Stage #3: With hydrogenchloride In water | 85% |
2-oxo-2H-chromen-4-yl propionate
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With sodium hydrogen telluride In ethanol for 0.5h; Quantum yield; Heating; buffer: deoxygen. acetic acid; | 95% |
4-(piperidin-1-yl)-2H-chromen-2-one
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With hydrogenchloride for 0.5h; Product distribution; Heating; | 94% |
3-carbethoxy-4-hydroxycoumarin
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With sulfuric acid In ethanol; water at 100 - 105℃; for 1h; Hydrolysis; decarboxylation; | 90.5% |
3-acetyl-chroman-2,4-dione
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With sulfuric acid In ethanol; water for 1h; Deacetylation; Heating; | 90.2% |
N,N-diethyl-3-(2-hydroxyphenyl)-3-oxopropanamide
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With trifluoroacetic acid In toluene for 1h; Heating; | 89% |
A
4-hydroxy[1]benzopyran-2-one
B
3-(2-Hydroxy-phenyl)-N,N-dimethyl-3-oxo-propionamide
Conditions | Yield |
---|---|
With sodium hydroxide In acetonitrile at 50℃; for 0.5h; | A 7% B 87% |
With sodium hydrogencarbonate In acetonitrile at 50℃; for 1h; | A 25% B 66% |
o-hydroxyacetophenone
carbonic acid dimethyl ester
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With sodium hydride In toluene at 100℃; for 3h; | 84% |
malonic acid monophenyl ester
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With Eaton’s reagent at 70℃; for 1h; | 80% |
With Eaton’s reagent In water for 2h; Reflux; | 63% |
With eaton’s reagent at 70℃; for 4h; Neat (no solvent); | |
With Eaton’s reagent at 60 - 70℃; |
A
4-hydroxy[1]benzopyran-2-one
B
3-(2-Hydroxy-phenyl)-N,N-dimethyl-3-oxo-propionamide
Conditions | Yield |
---|---|
With sodium hydroxide In acetonitrile at 50℃; for 1h; | A 14% B 77% |
With water In acetonitrile at 50℃; for 1h; | A 69% B 29% |
C24H18O7
A
4-hydroxy[1]benzopyran-2-one
B
dimethyl 2-(4-methylphenyl)furan-3,4-dicarboxylate
Conditions | Yield |
---|---|
With hydrogenchloride In methanol Heating; | A 77% B 68% |
n-butyl magnesium bromide
A
4-hydroxy[1]benzopyran-2-one
B
4-butyl-2H-1-benzopyran-2-one
Conditions | Yield |
---|---|
With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; iron(III)-acetylacetonate In tetrahydrofuran at 0℃; for 0.166667h; Reagent/catalyst; Inert atmosphere; | A 21% B 70% |
Conditions | Yield |
---|---|
With sodium hydride In toluene at 100℃; for 3h; | 69% |
2-trichloromethyl-4-chromone
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With potassium hydroxide In methanol for 0.5h; Hydrolysis; Heating; | 65% |
2-acetylphenyl 2-chlorobenzoate
methyl chloroformate
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
Stage #1: 2-acetylphenyl 2-chlorobenzoate With sodium hydride In N,N-dimethyl-formamide at 100℃; for 6h; Inert atmosphere; Stage #2: methyl chloroformate In N,N-dimethyl-formamide | 59% |
3-(phenyl-λ3-iodanylidene)chromane-2,4-dione
A
4-hydroxy[1]benzopyran-2-one
B
3,4-Dihydroxy-2-oxo-2H<1>benzopyran
Conditions | Yield |
---|---|
With acetic acid for 0.0833333h; Heating; | A n/a B 13% C 51% |
3-(phenyl-λ3-iodanylidene)chromane-2,4-dione
acetic acid
A
4-hydroxy[1]benzopyran-2-one
B
3,4-Dihydroxy-2-oxo-2H<1>benzopyran
Conditions | Yield |
---|---|
for 0.0833333h; Heating; | A n/a B 13% C 51% |
Conditions | Yield |
---|---|
With zinc(II) chloride; trichlorophosphate at 60 - 65℃; for 48h; | 50% |
With zinc(II) chloride; trichlorophosphate at 60 - 70℃; | 48% |
With zinc(II) chloride; trichlorophosphate at 60 - 65℃; | 41% |
2-amino-3-formylchromone
A
4-hydroxy[1]benzopyran-2-one
B
2-(4-oxo-4H-[1]benzopyran-3-yl) [1] benzopyrano[3,2-e]pyrimidin-5(5H)-one
C
Bis-<1>benzopyrano<2,3-b:3',2'-e>pyridin-5(5H),7(7H)-dion
Conditions | Yield |
---|---|
hydrogenchloride In isopropyl alcohol for 30h; | A 26% B 1% C 38% |
4-chloro-3-nitro-chromen-2-one
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With pyridine; sodium dithionite In water | 27% |
3-(phenyl-λ3-iodanylidene)chromane-2,4-dione
A
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With trifluoroacetic acid Heating; | A n/a B 25% |
4-(o-hydroxybenzoyl)-pyrazolone-5
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 10h; | 15.6% |
A
4-hydroxy[1]benzopyran-2-one
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 20℃; | A n/a B 13% |
A
4-hydroxy[1]benzopyran-2-one
B
N-[2-(trifluoromethyl)phenyl]-1,3,4-thiadiazole-2-carboxamide
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 20℃; | A n/a B 9% |
Conditions | Yield |
---|---|
With sodium at 165 - 175℃; |
sodium ethanolate
o-hydroxyacetophenone
Diethyl carbonate
4-hydroxy[1]benzopyran-2-one
sodium ethanolate
o-hydroxyacetophenone
Diethyl carbonate
benzene
4-hydroxy[1]benzopyran-2-one
4-hydroxy[1]benzopyran-2-one
4-methoxy-benzaldehyde
3,3-(4'-methoxybenzylidene)bis(4-hydroxycoumarin)
Conditions | Yield |
---|---|
With 4-sulfophthalic acid In water at 80℃; for 0.416667h; Catalytic behavior; Green chemistry; | 100% |
With 1,8-diazabicyclo[5.4.0]undec-7-ene at 20℃; for 16h; | 99% |
With phosphotungstic acid In water at 80℃; for 0.383333h; domino Knoevenagel type condensation/Michael reaction; | 99% |
4-hydroxy[1]benzopyran-2-one
4-chlorobenzaldehyde
3,3'-(4-chlorophenylmethylene)-bis-4-hydroxycoumarin
Conditions | Yield |
---|---|
With glycerol-based carbon sulfonic acid In ethanol; water at 80℃; for 0.333333h; Solvent; Temperature; Concentration; | 100% |
With silica-supported Preyssler acid nanoparticles In ethanol at 25℃; for 0.333333h; | 99% |
With cholin hydroxide In water at 50℃; for 2h; | 99% |
4-hydroxy[1]benzopyran-2-one
benzaldehyde
3,3'-phenylmethylene-bis-4-hydroxycoumarin
Conditions | Yield |
---|---|
With cholin hydroxide In water at 50℃; for 1h; Catalytic behavior; Temperature; Reagent/catalyst; | 100% |
With 4-sulfophthalic acid In water at 80℃; for 0.5h; Catalytic behavior; Green chemistry; | 99% |
With C19H40KNO8S(2+)*2C2F3O2(1-) In ethanol; water for 0.5h; Reagent/catalyst; Reflux; | 98% |
Conditions | Yield |
---|---|
With pyridine In benzene | 100% |
4-hydroxy[1]benzopyran-2-one
3-methoxy-benzaldehyde
3,3'-((3-methoxyphenyl)methylene)bis(4-hydroxy-2H-chromen-2-one)
Conditions | Yield |
---|---|
With 4-sulfophthalic acid In water at 80℃; for 0.333333h; Catalytic behavior; Green chemistry; | 100% |
With piperidine In ethanol at 20℃; for 4h; | 98% |
With 4-aminobenzene sulfonic acid In water at 80℃; for 0.366667h; Green chemistry; | 96% |
4-hydroxy[1]benzopyran-2-one
4-bromo-benzaldehyde
acetonitrile
N-[(4-bromophenyl)(4-hydroxy-2-oxo-2H-chromen-3-yl)methyl]acetamide
Conditions | Yield |
---|---|
With chlorosulfonic acid at 20℃; for 1h; | 100% |
Stage #1: 4-hydroxy[1]benzopyran-2-one; 4-bromo-benzaldehyde; acetonitrile With phosphorus pentaoxide; Hexamethyldisiloxane at 20℃; for 3h; Stage #2: With water cooling; Further stages.; | 90% |
pyrrolidine
4-hydroxy[1]benzopyran-2-one
benzaldehyde
4-hydroxy-3-(phenyl(pyrrolidin-1-yl)methyl)-2H-chromen-2-one
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 2h; Mannich Aminomethylation; | 100% |
With zinc(II) oxide In water at 25℃; for 0.416667h; | 93% |
With Triton X-100 In water at 20℃; for 6h; Mannich type reaction; | 90% |
4-hydroxy[1]benzopyran-2-one
C8H7NO5
malononitrile
2-amino-3-cyano-4-(3'-nitrobenzoyl)-4H,5H-pyrano[3,2-c]chromene-5-one
Conditions | Yield |
---|---|
With zinc(II) oxide In ethanol; water at 20℃; for 1.83333h; Reflux; Green chemistry; | 100% |
With ammonium dihydrogen phosphate In ethanol; water at 20℃; for 1.5h; Reflux; | 85% |
With ammonium ferrous sulphate hexahydrate In ethanol; water at 20℃; for 2.33333h; Reflux; Green chemistry; chemoselective reaction; | 85% |
With titanium(IV) oxide In ethanol; water at 20℃; for 2h; Reflux; Green chemistry; | 80% |
Conditions | Yield |
---|---|
With iodine; dimethyl sulfoxide In neat (no solvent) at 80℃; for 5h; | 100% |
With sodium tetrafluoroborate; potassium iodide In acetonitrile at 60℃; for 6h; Temperature; Electrolysis; | 94% |
4-hydroxy[1]benzopyran-2-one
thiophenol
4-hydroxy-3-(phenylsulfanyl)-2H-chromen-2-one
Conditions | Yield |
---|---|
With iodine; dimethyl sulfoxide In neat (no solvent) at 80℃; for 5h; | 100% |
With iodine In dimethyl sulfoxide at 80℃; for 3h; | 92% |
With tetrabutylammomium bromide; iodine; oxygen; bovine serum albumin In water at 50℃; for 8h; Green chemistry; |
Conditions | Yield |
---|---|
With C23H24N2O6S*Li(1+) In tetrahydrofuran; dimethyl sulfoxide at 0℃; for 48h; Reagent/catalyst; Michael Addition; | 99% |
With lipase In water at 50℃; for 168h; Temperature; Michael Addition; Enzymatic reaction; | 99.1% |
With N-ethyl-N,N-diisopropylamine In water for 20h; Michael Addition; Reflux; | 93% |
4-hydroxy[1]benzopyran-2-one
salicylaldehyde
3,3'‑(2‑hydroxyphenylmethylene)bis(4‑hydroxy‑2H‑chromen-2‑one)
Conditions | Yield |
---|---|
With cholin hydroxide In water at 50℃; for 1h; | 99% |
With phosphotungstic acid In water at 80℃; for 0.333333h; domino Knoevenagel type condensation/Michael reaction; | 98% |
With Sulfonic Acid Functionalized Nanoporous Silica (SBA-Pr-SO3H) In ethanol; water for 0.5h; | 98% |
4-hydroxy[1]benzopyran-2-one
(E/Z)-3,7-dimethyl-2,6-octadienal
2-methyl-2-(4-methylpent-3-enyl)-2H,5H-pyrano<3,2-c><1>benzopyran-5-one
Conditions | Yield |
---|---|
With 2,4,8,10-Tetra-tert-butyl-6-hydroxydibenzo[d,f][1,3,2]dioxaphosphepine 6-oxide; sodium sulfate In toluene at 60℃; Inert atmosphere; | 99% |
With 2,4,8,10-Tetra-tert-butyl-6-hydroxydibenzo[d,f][1,3,2]dioxaphosphepine 6-oxide; sodium sulfate In toluene at 60℃; Inert atmosphere; regioselective reaction; | 99% |
With ethylenediamine diacetic acid In methanol for 3h; Ambient temperature; | 70% |
With water at 80℃; for 6h; Domino Knoevenagel/6ϖ-electrocyclization; | 64% |
Conditions | Yield |
---|---|
With 4-(dimethylamino)pyridine hydrochloride In toluene at 60℃; for 4h; | 99% |
Stage #1: 4-hydroxy[1]benzopyran-2-one With manganese(II) iodide; naphthalene; lithium In tetrahydrofuran at 20℃; for 0.166667h; Inert atmosphere; Stage #2: acetic anhydride In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; | 85% |
With potassium tropolonato In acetonitrile at 70℃; for 4h; | 72% |
4-hydroxy[1]benzopyran-2-one
4-nitrobenzaldehdye
4-hydroxy-3-[(4-hydroxy-2-oxo-2H-chromen-3-yl)-(4-nitro-phenyl)-methyl]-chromen-2-one
Conditions | Yield |
---|---|
With N,N,N',N'-tetramethylguanidinium acetate at 25℃; for 2h; | 99% |
With copper chromite nanoparticles In water at 20℃; for 0.0166667h; Green chemistry; | 99% |
With 1,4-diazabicyclo[2.2.2]octane hydroacetate In water at 80℃; for 0.0833333h; Green chemistry; | 99% |
4-hydroxy[1]benzopyran-2-one
4-dimethylamino-benzaldehyde
3,3′‐[(4‐dimethylaminophenyl)methylene]bis(4‐hydroxy‐2H‐chromen‐2‐one)
Conditions | Yield |
---|---|
With 2H4N2*2H(1+)*F6Si(2-) In ethanol for 0.0333333h; Reflux; Green chemistry; | 99% |
With glycerol-based carbon sulfonic acid In ethanol; water at 80℃; for 0.25h; | 96% |
With lemon juice In water at 27 - 30℃; for 2.5h; | 96% |
4-hydroxy[1]benzopyran-2-one
4-chlorobenzaldehyde
malononitrile
2-amino-4-(4-chlorophenyl)-4,5-dihydro-5-oxopyrano[3,2-c]chromene-3-carbonitrile
Conditions | Yield |
---|---|
With Lipase from Thermomyces lanuginosus immobilized on particle silica gel In water; dimethyl sulfoxide at 45℃; for 16h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; | 99% |
With urea functionalized silica coated magneticcor shell Fe3-xTixO4 nanoparticle In ethanol; water for 0.25h; Reagent/catalyst; Reflux; | 98% |
With perchloric acid modified cellulose In neat (no solvent) at 70℃; for 0.1h; Green chemistry; | 98% |
Conditions | Yield |
---|---|
With 1,4-diazabicyclo[2.2.2]octane hydroacetate In water at 80℃; for 0.1h; Green chemistry; | 99% |
In ethanol for 24h; Heating; | 97% |
With sulfonic acid-functionalized mesoporous silica nanoparticles In water at 80℃; for 0.25h; Green chemistry; | 95% |
Conditions | Yield |
---|---|
With 1,4-diazabicyclo[2.2.2]octane hydroacetate In water at 80℃; for 0.0833333h; Green chemistry; | 99% |
With sulfuric acid-modified polyethyleneglycol-6000 In neat (no solvent) at 70℃; for 0.0666667h; Knoevenagel Condensation; Green chemistry; | 98% |
In water at 150℃; for 0.166667h; Microwave irradiation; | 86% |
Conditions | Yield |
---|---|
With cholin hydroxide In water at 50℃; for 1h; | 99% |
With phosphotungstic acid In water at 80℃; for 0.25h; domino Knoevenagel type condensation/Michael reaction; | 98% |
With sulfonic acid-functionalized mesoporous silica nanoparticles In water at 80℃; for 0.166667h; Green chemistry; | 98% |
Conditions | Yield |
---|---|
With 1,4-diazabicyclo[2.2.2]octane hydroacetate In water at 80℃; for 0.0333333h; Green chemistry; | 99% |
With Triton X-100 In water at 20℃; for 6h; Knoevenagel Condensation; Green chemistry; | 98% |
In toluene at 90℃; for 0.25h; Reagent/catalyst; | 98% |
4-hydroxy[1]benzopyran-2-one
butyraldehyde
3,3'-(butane-1,1-diyl)bis(4-hydroxy-2H-chromen-2-one).
Conditions | Yield |
---|---|
With 1,4-diazabicyclo[2.2.2]octane hydroacetate In water at 80℃; for 0.1h; Green chemistry; | 99% |
With poly(2-acrylamido-2-methylpropanesulphonic acid-co-acrylamide) supported on magnetite nanoparticles In toluene at 90℃; for 0.55h; | 94% |
In toluene at 90℃; for 0.5h; Reagent/catalyst; | 94% |
Conditions | Yield |
---|---|
With Trametes versicolor laccase; oxygen In acetate buffer at 20℃; for 3h; pH=4.37; | 99% |
With laccase from Trametes versicolor at 20℃; for 3h; pH=4.4; aq. acetate buffer; Enzymatic reaction; regioselective reaction; | 99% |
With sodium acetate; potassium hexacyanoferrate(III) In water for 1h; Michael addition reaction; | 95% |
With laccase In aq. phosphate buffer at 20℃; for 24h; pH=7.15; Enzymatic reaction; | 76% |
Conditions | Yield |
---|---|
at 80℃; for 2h; | 99% |
With silica supported zirconium hydrogen sulfate In neat (no solvent) at 60℃; for 0.75h; | 99% |
With TiO2-carbon nanotubes nanocomposite In water at 20℃; for 2h; Green chemistry; | 98% |
isoquinoline
4-hydroxy[1]benzopyran-2-one
Cyclohexyl isocyanide
C25H24N2O3
Conditions | Yield |
---|---|
In water at 70℃; for 12h; | 99% |
4-hydroxy[1]benzopyran-2-one
2-octen-1-al
C17H18O3
Conditions | Yield |
---|---|
With 2,4,8,10-Tetra-tert-butyl-6-hydroxydibenzo[d,f][1,3,2]dioxaphosphepine 6-oxide; sodium sulfate In toluene at 60℃; Inert atmosphere; regioselective reaction; | 99% |
4-hydroxy[1]benzopyran-2-one
(E)-1,1,1-trifluoro-4-phenyl-3-buten-2-one
(4R)-2-hydroxy-4-phenyl-2-(trifluoromethyl)-3,4-dihydropyrano[3,2-c]chromen-5-(2H)one
Conditions | Yield |
---|---|
With C29H29F6N3OS In toluene for 5h; Michael addition; optical yield given as %ee; enantioselective reaction; | 99% |
4-hydroxy[1]benzopyran-2-one
methyl benzylidenepyruvate
Conditions | Yield |
---|---|
With C29H29F6N3OS In diethyl ether at 20℃; for 2h; Michael addition; optical yield given as %ee; enantioselective reaction; | 99% |
With C37H31F6N3S at 20℃; for 12h; Solvent; Michael Addition; enantioselective reaction; | 92% |
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