Items Standard Result Appearance Colorless to light yellow transparent liquid Conforms Assay 97%m
Cas:872-53-7
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inquiryCyclopentanecarbaldehyde supplier CAS:872-53-7 Product name cyclopentanecarbaldehyde CAS NO. 872-53-7 Molecular formula C6H10O Molecular weight 98.14 g/mol
Cas:872-53-7
Min.Order:1 Kilogram
Negotiable
Type:Other
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Cas:872-53-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Cas:872-53-7
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Type:Manufacturers
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Cas:872-53-7
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Cas:872-53-7
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Type:Lab/Research institutions
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Cas:872-53-7
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inquiryProduct Name: Cyclopentanecarbaldehyde Synonyms: CYCLOPENTYLMETHANAL;CYCLOPENTYLCARBALDEHYDE;CYCLOPENTANECARBALDEHYDE;CYCLOPENTANECARBOXALDEHYDE;RARECHEM AK ML 0065;Cyclopentanealdehyde;Cyclop
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Cas:872-53-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryCyclopentanecarbaldehyde CAS:872-53-7 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 i
Cas:872-53-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Cas:872-53-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Cas:872-53-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Cas:872-53-7
Min.Order:0 Metric Ton
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Type:Other
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Cas:872-53-7
Min.Order:100 Metric Ton
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Cas:872-53-7
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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Cas:872-53-7
Min.Order:10 Gram
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Cas:872-53-7
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Cas:872-53-7
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct name: Cyclopentanecarbaldehyde CAS No.:872-53-7 Molecule Formula:C6H10O Molecule Weight:98.14 Purity: 97% Package: 25kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:872-53-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Cyclopentanecarbaldehyde CAS: 872-53-7 MF: C6H10O MW: 98.14 EINECS: 212-829-7 Mol File: 872-53-7.mol Cyclopentanecarbaldehyde Structure Cyclopentanecarbaldehyde Chemical Properties Boiling point 140-141 °C (l
Cas:872-53-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen
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Min.Order:1 Metric Ton
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Type:Trading Company
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Cas:872-53-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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Cas:872-53-7
Min.Order:100 Gram
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Type:Lab/Research institutions
inquiryhigh qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:872-53-7
Min.Order:0
Negotiable
Type:Manufacturers
inquiryHunan chemfish Pharmaceutical co.,Ltd a comprehensive enterprise, is located in High-Tech Science Park,Changsha,Chia . Specializing in R&D, manufacture and marketing, we provide a wide range of products and the most professional services to meet the
Sodium; 1-oxa-spiro[2.4]heptane-2-carboxylate
cyclopentanealdehyde
Conditions | Yield |
---|---|
With sulfuric acid stream of steam under a carbon dioxide atmosphere; | 100% |
Conditions | Yield |
---|---|
With erbium(III) triflate In dichloromethane for 5h; Heating; | 99% |
With thorium dioxide at 330℃; | |
With phthalic anhydride | |
With magnesium bromide ethyl etherate Verdampfen des Aethers und Zersetzen des Reaktionsprodukts mit Wasser; | |
With aluminum oxide; lithium bromide In toluene for 2h; Heating; |
carbon monoxide
cyclopenta-1,3-diene
A
cyclopentanealdehyde
B
Cyclopentane
Conditions | Yield |
---|---|
With hydrogen; N-dodecyl-N-(2-hydroxyethyl)-N,N-dimethylammonium bromide; {Rh(cod)[μ-S(CH2)3Si(OMe)3]}2; triphenylphosphine In water; butan-1-ol at 80℃; under 10350.8 Torr; for 15h; microemulsion/sol-gel; | A 98.5% B 1.5% |
Conditions | Yield |
---|---|
Stage #1: cyclohexene With ammonium iodide; water; sodium dodecyl-sulfate for 0.5h; Stage #2: With Oxone at 20℃; for 0.13h; regioselective reaction; | 95% |
With iodobenzene complex with boron trifluoride etherate In dichloromethane at -15 - -10℃; for 0.25h; | 60% |
With iodosylbenzene; sulfuric acid for 72h; Ambient temperature; | 44% |
Conditions | Yield |
---|---|
With thexylchloroborane-Me2SO4 In dichloromethane for 0.25h; Ambient temperature; | 89% |
Multi-step reaction with 2 steps 1: lithium aluminium hydride / diethyl ether 2: pyridinium chlorochromate View Scheme |
N′-(cyclopentylmethylene)-4-methylbenzenesulfonohydrazide
cyclopentanealdehyde
Conditions | Yield |
---|---|
With Cr-MCM-41 zeolite on silica gel for 0.116667h; microwave irradiation; | 88% |
cyclopentanecarbaldehyde oxime
cyclopentanealdehyde
Conditions | Yield |
---|---|
With Cr-MCM-41 zeolite on silica gel for 0.133333h; microwave irradiation; | 86% |
cyclohexene
A
cyclopentanealdehyde
B
cyclohexanone
C
Cyclohex-2-enol
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; copper(II) sulfate In water; acetonitrile at 60℃; for 6h; | A 80% B 2% C 7% |
Conditions | Yield |
---|---|
With Celite; pyridinium chlorochromate In dichloromethane at 20℃; for 16h; | 78% |
With dipyridinium dichromate In dichloromethane for 24h; Ambient temperature; | 10% |
With copper oxide-chromium oxide catalyst at 300℃; |
Conditions | Yield |
---|---|
In diethyl ether for 15h; Ambient temperature; | 72% |
4-morpholinecarboxaldehyde
cyclopentylmagnesium bromide
cyclopentanealdehyde
Conditions | Yield |
---|---|
In diethyl ether for 0.5h; Ambient temperature; | 69% |
carbon monoxide
cyclopenta-1,3-diene
A
cyclopentanealdehyde
B
cyclopentane-1,3-bis(carboxaldehyde)
Conditions | Yield |
---|---|
With 2,2'-bis((diphenylphosphino)methyl)-1,1'-biphenyl; dirhodium tetraacetate; hydrogen; triethylamine In toluene at 100℃; under 22502.3 Torr; for 3h; Kinetics; Reagent/catalyst; Autoclave; | A 56% B 18% |
With dirhodium tetraacetate; hydrogen; triethylamine; bis-diphenylphosphinomethane In toluene at 100℃; under 22502.3 Torr; for 3h; Kinetics; Autoclave; | A 9% B 10% |
methanol
cyclohexene
A
cyclopentanealdehyde
B
3-methoxycyclohexene
C
1,2-dimethoxycyclohexane
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene; sulfuric acid at -15℃; for 2.33333h; | A 42% B n/a C n/a |
Conditions | Yield |
---|---|
With iodine; magnesium In tetrahydrofuran; diethyl ether at 20℃; for 1.5h; | 37.8% |
Stage #1: Cyclopentyl bromide With iodine; magnesium In tetrahydrofuran at 20℃; Stage #2: N-Formylpiperidine In diethyl ether at 20℃; for 1.5h; | 37.8% |
Conditions | Yield |
---|---|
With dirhodium tetraacetate; 2,3-bis(diphenylphosphino)bicyclo-[2.2.1]hept-5-ene; hydrogen; triethylamine In toluene at 100℃; under 22502.3 Torr; for 3h; Kinetics; Reagent/catalyst; Autoclave; | 29% |
Conditions | Yield |
---|---|
With isocyanate de chlorosulfonyle In benzene 1.) 0 deg C, 2.) reflux, 0.5 h; | A 10% B n/a |
Conditions | Yield |
---|---|
With triphenyl phosphite; hydrogen; acetylacetonatodicarbonylrhodium(l); L-proline at 40℃; for 72h; Title compound not separated from byproducts.; | A n/a B 6% C n/a |
Conditions | Yield |
---|---|
With aluminum oxide at 420 - 450℃; |
phthalic anhydride
cyclohexane-1,2-epoxide
A
cyclopentanealdehyde
B
1,2-Cyclohexanediol
C
cyclohexa-1,3-diene
1-methyl-4-nitrosobenzene
trans-2-hydroxycyclohexyl p-toluenesulfonate
A
cyclopentanealdehyde
B
1,2-Cyclohexanediol
Conditions | Yield |
---|---|
With diethyl ether; palladium Hydrogenation; | |
With hydrogen; palladium on activated charcoal | |
With hydrogen; palladium on activated charcoal In methanol |
1-Methylol-1-hydroxycyclopentan
cyclopentanealdehyde
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With phthalic anhydride |
cyclopentanecarbaldehyde diethylacetal
cyclopentanealdehyde
Conditions | Yield |
---|---|
With sulfuric acid | |
With diclazuril; water-d2 In acetone at 23℃; Rate constant; |
2-Iodo-cyclohexanol
cyclopentanealdehyde
Conditions | Yield |
---|---|
With silver nitrate | |
With sodium bromate; sulfuric acid; sodium bromide In methanol; 1,2-dichloro-ethane at 0 - 10℃; |
cyclopentanealdehyde
Conditions | Yield |
---|---|
Erhitzen; |
Conditions | Yield |
---|---|
With carbon dioxide; sulfuric acid at 150℃; | |
With nitric acid at 85℃; | |
With aluminum oxide; nitrogen at 250 - 300℃; unter vermindertem Druck; | |
With aluminum oxide; water at 250 - 300℃; unter vermindertem Druck; | |
Multi-step reaction with 2 steps 1: (i) NaIO4, (ii) KOH 2: H2 / Pd-C View Scheme |
Conditions | Yield |
---|---|
nachfolgend Einw. von Magnesiumbromid-aetherat; |
Conditions | Yield |
---|---|
With ethylmagnesium bromide nachfolgend Einw. von Magnesiumbromid-aetherat; |
Conditions | Yield |
---|---|
With sulfuric acid | |
With calcium chloride |
diethoxyphosphoryl-acetic acid ethyl ester
cyclopentanealdehyde
(E)-ethyl 3-cyclopentylprop-2-enoate
Conditions | Yield |
---|---|
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran at 0℃; for 1h; Wadsworth-Horner-Emmons reaction; Stage #2: cyclopentanealdehyde In tetrahydrofuran at -78 - 20℃; for 1h; | 100% |
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; Stage #2: cyclopentanealdehyde In tetrahydrofuran at 20℃; for 17h; Inert atmosphere; | 58% |
Conditions | Yield |
---|---|
With ammonium formate; palladium on activated charcoal In methanol; water at 20℃; for 0.5h; | 100% |
Stage #1: cyclopentanealdehyde; aniline With 1-{6-[dibutyl(chloro)stannyl]hexyl}-3-methyl-1H-imidazolium iodide at 20℃; for 0.166667h; Stage #2: With phenylsilane at 20℃; for 4h; | 88% |
Stage #1: cyclopentanealdehyde; aniline In dichloromethane at 20℃; for 4h; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; | 70% |
With tetra(n-butyl)ammonium hydrogensulfate; dimethyl sulfoxide at 20℃; for 5h; Electrolysis; | 12% |
cyclopentanealdehyde
ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-1-(cyclopentylmethyl)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate
Conditions | Yield |
---|---|
Stage #1: ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-3-pyrrolidinyl]amino}-3-pyridyl)acrylate dihydrochloride; cyclopentanealdehyde With N-ethyl-N,N-diisopropylamine In 1,2-dichloro-ethane at 20℃; for 0.0833333h; Stage #2: With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane for 2h; Stage #3: With sodium hydrogencarbonate In water; 1,2-dichloro-ethane | 100% |
N-phenyl-maleimide
cyclopentanealdehyde
(S)-1-(2,5-dioxo-1-phenylpyrrolidin-3-yl)cyclopetanecarboxaldehyde
Conditions | Yield |
---|---|
With (S)-3-amino-3-phenylpropanoic acid; caesium carbonate In dichloromethane at 20℃; for 48h; Michael Addition; enantioselective reaction; | 100% |
With NH2-Phg-(D-Pro)-Gly-Leu-OH In acetonitrile at 20℃; for 72h; Michael Addition; enantioselective reaction; | 95% |
Stage #1: cyclopentanealdehyde With dmap; tert-butyl (2S,3R)-2-amino-3-hydroxybutanoate; SULFAMIDE In dichloromethane at 23℃; for 0.0333333h; Michael addition; Stage #2: N-phenyl-maleimide In dichloromethane at 23℃; for 16h; Michael addition; optical yield given as %ee; enantioselective reaction; | 93% |
cyclopentanealdehyde
methyl 2-{(2R,4S,5S)-5-amino-4-[4-(trifluoromethyl)phenyl]tetrahydro-2H-pyran-2-yl}acetate hydrochloride
methyl 2-{(2R,4S,5S)-5-[bis(cyclopentylmethyl)amino]-4-[4-(trifluoromethyl)phenyl]tetrahydro-2H-pyran-2-yl}acetate
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride; acetic acid In tetrahydrofuran at 20℃; for 6h; | 100% |
N-phenyl-maleimide
cyclopentanealdehyde
(R)-1-(2,5-dioxo-1-phenylpyrrolidin-3-yl)cyclopentane-1-carbaldehyde
Conditions | Yield |
---|---|
With L-Asp(t-Bu); potassium hydroxide In dichloromethane at 20℃; for 48h; Michael Addition; enantioselective reaction; | 100% |
With C64H94N6O4S2 In dichloromethane at 20℃; Michael Addition; enantioselective reaction; | 95% |
With 2-({[(1R,2R)-2-aminocyclohexyl]amino}{[3,5-bis(trifluoromethyl)benzyl]amino}methylidene)-2,3-dihydro-1H-indene-1,3-dione; benzoic acid In para-xylene at 40℃; for 48h; Michael Addition; enantioselective reaction; | 95% |
With 1-[(1R,2R)-2-aminocyclohexyl]-3-[4-(n-perfluorooctyl)phenyl]-thiourea; benzoic acid In dichloromethane at 20℃; for 76h; asymmetric Michael addition; optical yield given as %ee; enantioselective reaction; | 92% |
With 1H-imidazole; 1-[(1S,2S)-2-aminocyclohexyl]-2,3-diisopropylguanidine In water; N,N-dimethyl-formamide at 0℃; for 96h; Michael Addition; enantioselective reaction; | 92% |
cyclopentanealdehyde
Conditions | Yield |
---|---|
With [(ImtBuN)U{N(SiMe3)2}3] In benzene-d6 at 20℃; for 12h; Reagent/catalyst; | 100% |
With C48H69N3Th In benzene-d6 at 20℃; for 3h; Reagent/catalyst; Tishchenko-Claisen Dismutation; Glovebox; Inert atmosphere; | 100 %Spectr. |
With C38H53N3Th In benzene-d6 at 20℃; for 24h; Reagent/catalyst; Time; Glovebox; |
Conditions | Yield |
---|---|
With magnesium sulfate In dichloromethane at 20℃; for 21h; | 100% |
Conditions | Yield |
---|---|
With C36H44N4O4S2; copper(I) bromide In methanol at 20℃; for 36h; Henry reaction; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 99% |
With potassium hydroxide; potassium iodide; C55H69F12N7S2*ClH In water; toluene at 0℃; for 5h; | 76% |
cyclopentanealdehyde
[N-(p-tolylsulfonyl)imino]phenyliodinane
N-tosylcyclopentanecarboxamide
Conditions | Yield |
---|---|
Ru(5,10,15,20-tetrakis(p-tolyl)porphyrinato)(CO) In dichloromethane at 20℃; for 0.5h; | 99% |
With pyridine; iron(II) chloride In dichloromethane at 20℃; for 18h; Molecular sieve; Inert atmosphere; | 99% |
cyclopentanealdehyde
1-methoxy-2-((E)-2-nitrovinyl)benzene
A
(R)-1-[1-(2-methoxyphenyl)-2-nitroethyl]cyclopentanecarbaldehyde
Conditions | Yield |
---|---|
7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide at 0℃; for 12h; Product distribution / selectivity; Michael addition reaction; | A 99% B n/a |
With 7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide; benzoic acid at 0℃; for 12h; asymmetric Michael reaction; Neat (no solvent); optical yield given as %ee; enantioselective reaction; | |
With (3R,5S)-5-[{{(1S)-2-hydroxy-7,7-dimethylbicyclo[2.2.1]heptan-1-yl}methylthio}methyl]pyrrolidin-3-ol In toluene at 0℃; for 120h; Michael addition; Inert atmosphere; optical yield given as %ee; enantioselective reaction; |
cyclopentanealdehyde
(E)-1-methoxy-3-(2-nitrovinyl)benzene
(R)-1-[1-(3-methoxyphenyl)-2-nitroethyl]cyclopentanecarbaldehyde
Conditions | Yield |
---|---|
With 7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide; benzoic acid at 0℃; for 12h; asymmetric Michael reaction; Neat (no solvent); optical yield given as %ee; enantioselective reaction; | 99% |
7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide at 0℃; for 12h; Product distribution / selectivity; Michael addition reaction; | 99% |
With C64H94N6O4S2 In dichloromethane at 20℃; for 84h; Michael Addition; enantioselective reaction; | 72% |
cyclopentanealdehyde
methyl 3-amino-5-chloro-2-methylbenzoate
methyl 5-chloro-3-((cyclopentylmethyl)amino)-2-methylbenzoate
Conditions | Yield |
---|---|
Stage #1: cyclopentanealdehyde; methyl 3-amino-5-chloro-2-methylbenzoate With acetic acid In methanol at 20℃; for 8h; Stage #2: With methanol; sodium cyanoborohydride at 0 - 20℃; | 99% |
Conditions | Yield |
---|---|
With (2S,5R)-2-(methylaminomethyl)-1-methyl-5-phenylpyrrolidine; triethylamine; copper dichloride In tetrahydrofuran at -20℃; for 44h; Henry Nitro Aldol Condensation; Inert atmosphere; Schlenk technique; enantioselective reaction; | 99% |
cyclopentanealdehyde
Conditions | Yield |
---|---|
In benzene-d6 for 3h; | 99% |
Conditions | Yield |
---|---|
With phosphoric acid functionalized ethanolamine grafted polyacrylonitrile fiber at 65℃; for 0.333333h; Green chemistry; | 99% |
With titanium tetrachloride; triethylamine In dichloromethane at 0 - 20℃; for 0.5h; Inert atmosphere; | 77% |
With thio-xanthene-9-one for 1.5h; Irradiation; Sealed tube; Green chemistry; | 75% |
cyclopentanealdehyde
diethyl 1-cyanomethylphosphonate
3-cyclopentaneacrylonitrile
Conditions | Yield |
---|---|
With HT-O-t-Bu In N,N-dimethyl-formamide for 2.5h; Wadsworth-Emmons reaction; Heating; | 98% |
Stage #1: diethyl 1-cyanomethylphosphonate With potassium tert-butylate In tetrahydrofuran at 0 - 20℃; Stage #2: cyclopentanealdehyde In tetrahydrofuran at 0 - 20℃; for 64h; | 89% |
Stage #1: diethyl 1-cyanomethylphosphonate With potassium tert-butylate In tetrahydrofuran at 20℃; for 3h; Cooling with ice; Stage #2: cyclopentanealdehyde In tetrahydrofuran at 0 - 20℃; | 67% |
With potassium tert-butylate In tetrahydrofuran at 0 - 20℃; for 49h; | 46% |
cyclopentanealdehyde
trimethylsilylacetylene
dibenzylamine
N,N-dibenzyl-1-cyclopentyl-3-(trimethylsilyl)-2-propyn-1-amine
Conditions | Yield |
---|---|
With (R)-1-(2-(diphenylphosphanyl)naphthalen-1-yl)isoquinoline; copper(I) bromide In toluene at 20℃; | 98% |
With (R)-1-(2-(diphenylphosphanyl)naphthalen-1-yl)isoquinoline; 4 A molecular sieve; copper(I) bromide In decane; toluene at 20℃; for 144h; | 98% |
With (R)-1-(2-(diphenylphosphanyl)naphthalen-1-yl)isoquinoline; 4 A molecular sieve; copper(I) bromide In toluene at 20℃; for 144h; | 98% |
With (S)-1-(2-(diphenylphosphanyl)naphthalen-1-yl)isoquinoline; copper(I) bromide In toluene at 20℃; for 43h; Schlenk technique; Inert atmosphere; Molecular sieve; enantioselective reaction; | 97% |
With C44H30F5N2P; copper(I) bromide In toluene at 0℃; for 24h; Molecular sieve; enantioselective reaction; | 70% |
cyclopentanealdehyde
C22H22Cl2N2O5
Conditions | Yield |
---|---|
With 1-butyl-3-methylimidazolium trifluoromethanesulfonimide at 40℃; for 2h; | 98% |
Nitroethane
cyclopentanealdehyde
(1R,2R)-1-cyclopentyl-2-nitropropan-1-ol
Conditions | Yield |
---|---|
With 4-methyl-morpholine; C31H33CuF6N5O6S2 In 1,4-dioxane at 0℃; for 24h; Henry reaction; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 98% |
cyclopentanealdehyde
di-isopropyl azodicarboxylate
1-cyclopentylcarbonyl-1,2-hydrazinedicarboxylic acid 1,2-diisopropyl ester
Conditions | Yield |
---|---|
In water at 20℃; for 8h; | 98% |
cyclopentanealdehyde
1-nitro-4-(2-nitrovinyl)benzene
(R)-1-[1-(4-nitrophenyl)-2-nitroethyl]cyclopentanecarbaldehyde
Conditions | Yield |
---|---|
With C13H28N2; benzoic acid In neat (no solvent) at 4℃; for 12h; Michael Addition; Green chemistry; stereoselective reaction; | 98% |
Stage #1: cyclopentanealdehyde With (S)-1-(pyrrolidine-2-ylmethyl)-1H-pyrazole; benzoic acid In neat (no solvent) at 0℃; for 0.333333h; Stage #2: 1-nitro-4-(2-nitrovinyl)benzene In neat (no solvent) at 0℃; for 24h; Michael Addition; enantioselective reaction; | 95% |
Stage #1: cyclopentanealdehyde With (S)-2-(pyrrolidin-2-ylmethoxy)isoindoline-1,3-dione; 4-nitro-benzoic acid In neat (no solvent) at 0℃; for 0.333333h; Michael Addition; Stage #2: 1-nitro-4-(2-nitrovinyl)benzene In neat (no solvent) at 0℃; for 48h; Michael Addition; enantioselective reaction; | 93% |
Stage #1: cyclopentanealdehyde With (S)-1-(pyrrolidin-2-ylmethoxy)-1H-benzo[d][1,2,3]triazole; benzoic acid In water at 0℃; for 0.333333h; Stage #2: 1-nitro-4-(2-nitrovinyl)benzene In water at 0℃; for 36h; Michael Addition; enantioselective reaction; | 91% |
cyclopentanealdehyde
anthranilic acid amide
Conditions | Yield |
---|---|
With (11aR)-10,11,12,13-tetrahydro-5-hydroxy-3,7-bis[2,4,6-triisopropylphenyl]-5-oxide-diindeno[7,1-de:1',7’-fg][1,3,2]dioxaphosphocin In m-xylene at 25℃; for 12h; enantioselective reaction; | 98% |
(R)-4-(tert-butoxycarbonyl)piperazine-2-carboxylic acid
cyclopentanealdehyde
(2R)-4-(tert-butoxycarbonyl)-1-(cyclopentylmethyl)piperazine-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: (R)-4-(tert-butoxycarbonyl)piperazine-2-carboxylic acid; cyclopentanealdehyde With acetic acid In tetrahydrofuran for 0.5h; Stage #2: With sodium tris(acetoxy)borohydride In tetrahydrofuran for 12.0833h; | 97.4% |
cyclopentanealdehyde
1-nitro-2-(4-chlorophenyl)ethylene
(R)-1-[1-(4-chlorophenyl)-2-nitroethyl]cyclopentanecarbaldehyde
Conditions | Yield |
---|---|
With 7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide; benzoic acid at 0℃; for 1h; asymmetric Michael reaction; Neat (no solvent); optical yield given as %ee; enantioselective reaction; | 97% |
7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide at 0℃; for 24h; Product distribution / selectivity; Michael addition reaction; | 97% |
With C64H94N6O4S2 In dichloromethane at 20℃; for 60h; Michael Addition; enantioselective reaction; | 84% |
cyclopentanealdehyde
(2-amino-4,5-difluoro-phenyl)-carbamic acid tert-butyl ester
Benzyl isocyanide
para-chlorobenzoic acid
N-benzyl-2-[2-(4-chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclopentyl-acetamide
Conditions | Yield |
---|---|
Stage #1: cyclopentanealdehyde; (2-amino-4,5-difluoro-phenyl)-carbamic acid tert-butyl ester In methanol at 20℃; for 0.0833333h; Stage #2: Benzyl isocyanide; para-chlorobenzoic acid In methanol for 19h; | 97% |
Conditions | Yield |
---|---|
With piperidine; acetic acid In benzene at 100℃; for 16h; Knoevenagel condensation; Inert atmosphere; optical yield given as %de; | 97% |
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