CAS No.120-92-3,Cyclopentanone Suppliers,MSDS download

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantiti

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Cas:120-92-3

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Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home

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Simagchem Corporation

Welcome 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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Ality Chemical Corporation

The 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

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Chemwill Asia Co., Ltd.

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Henan Tianfu Chemical Co., Ltd.

Cyclopentanone Basic information Product Name: Cyclopentanone Synonyms: Adipinketon;Dumasin;Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-;ADIPIC KETONE;AKOS BBS-00004293;KETOCYCLOPENTANE;K

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Henan Sinotech Import&Export Corporation

Product name Cyclopentanone Synonyms CYCLOPENTANONE REAGENTPLUS(TM) >=99%;CYCLOPENTANONE, REAGENTPLUS, >=99%;CYCLOPENTANONE, STANDARD FOR GC;Cyclopentanone,Certified;Cyclopentanone, pure, 99+%;

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Triumph International Development Limilted

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:Colorless transparent liquid Storage:sealed in a cool place Package:25kg/drum Application:Pharmaceutical, biological agents, pesticides and rubber intermediates. Transportation:as pe

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Zibo Dorne chemical technology co. LTD

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,

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Henan Wentao Chemical Product Co., Ltd.

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Siwei Development Group Ltd.

Product name: Cyclopentanone CAS No.：120-92-3 Molecule Formula：C5H8O Molecule Weight：84.12 Purity: 99.0% Package: 220kg/drum Description：Colorless transparent liquid Manufacture Standards：Enterprise Standard TESTIN

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Hunan chemfish Pharmaceutical co.,Ltd

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SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of service

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Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

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JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

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Wuhan Fortuna Chemical Co.,Ltd

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Hangzhou Dingyan Chem Co., Ltd

Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in your re

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Henan Allgreen Chemical Co.,Ltd

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Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

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Zhuozhou Wenxi import and Export Co., Ltd

Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard

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Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

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Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

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Hangzhou Ocean Chemical Co., Ltd.

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Xiamen AmoyChem Co.,Ltd

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Hubei Langyou International Trading Co., Ltd

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Wuhan ZeShanCheng Biomedical Technology Co., Ltd.

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highl

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Synthetic route

: 96-41-3
Cyclopentanol

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With water; nickel dibromide; dibenzoyl peroxide In N,N-dimethyl acetamide at 60℃; for 3h;	100%
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O) In hexane for 20h; Solvent; Reflux;	100%
With allyl methyl carbonate; dihydridotetrakis(triphenylphosphine)ruthenium In toluene at 100℃; for 13h;	99%

: 142-29-0
cyclopentene

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With oxygen; palladium(II) sulfate; PdSO4-H3PMo6W6O40 In cyclohexane; water at 30℃; for 6h;	100%
With oxygen; H3PMo6W6O40 In cyclohexane; water at 29.9℃; under 760 Torr; for 6h;	100%
With palladium(II) sulfate; oxygen; H3PMo6W6O40 In cyclohexane; water at 29.9℃; under 760 Torr; for 6h; Product distribution; Rate constant; other time, other Pd(II) salt, other concentration of catalyst;	100%

: 930-30-3
cyclopent-2-enone

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With limonene.; palladium on activated charcoal for 0.5h; Heating;	100%
With hydrogen; SC-1 Ni2B In methanol at 25℃; under 760 Torr; for 24h;	100%
With diphenylsilane; zinc(II) chloride; tetrakis(triphenylphosphine) palladium(0) In chloroform for 0.5h; Ambient temperature;	99%

: 1192-28-5
Cyclopentanone oxime

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With bis(1-CH2Ph-3,5,7-3N-1-N(1+)tricyclo[3.3.1.13,7]decaneS2O8 In acetonitrile for 0.0583333h; Oxidation; Heating;	100%
With potassium permanganate In water; acetonitrile at 25℃; for 1h;	96%
With dihydrogen peroxide; tripropylammonium fluorochromate (VI) In acetone at 0 - 10℃; for 2.5h;	96%

: Sodium; 6-cyclopentylideneamino-hexanoate

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With hydrogenchloride for 0.0416667h; Product distribution; Ambient temperature; pH = 4-6, regeneration of aldehyde;	100%

: 137-43-9
Cyclopentyl bromide

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With oxygen; kieselguhr; copper(l) chloride In hexane for 2.5h; Oxidation; Heating;	99%

: 85895-34-7
1,1-Bis(phenylthio)cyclopentane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 20 - 25℃; for 2h; Irradiation;	98%

: 98-01-1
furfural

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With hydrogen In water at 160℃; under 30003 Torr; for 7h; Automated synthesizer;	98%
With hydrogen In water at 160℃; under 30003 Torr; for 2.5h; Reagent/catalyst; Temperature; Pressure; Autoclave;	96%
With hydrogen In water at 150℃; under 30003 Torr; for 6h; Reagent/catalyst; Autoclave;	95%

: 287-92-3
Cyclopentane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With hydrogenchloride; FeH6Mo6O24(3-)3H3N3H(1+)*7H2O; tetrabutylammomium bromide; dihydrogen peroxide In 1,4-dioxane; water at 85℃; for 24h;	96%
With [Fe4III(μ-O)2(μ-acetate)6(2,2'-bipyridine)2(H2O)2](NO3-)(OH-); dihydrogen peroxide; acetic acid In water; acetonitrile at 32℃; for 3h; Catalytic behavior;	60%
With dihydrogen peroxide; vanadium phosphorus oxide In acetonitrile at 50℃; for 20h;	48%

: 2562-38-1
nitrocyclopentane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With sodium perborate at 70℃; for 3h; Ionic liquid;	95%
With bis-trimethylsilanyl peroxide; sodium hydride In tetrahydrofuran at 20℃; for 24h; Hydrolysis;	65%

: 78795-44-5
1-Methanesulfonyl-1-methylsulfanyl-cyclopentane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With hydrogenchloride In methanol for 3h; Heating;	94%

: 176-38-5
1-oxa-4-thia-spiro[4.4]nonane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With Glyoxilic acid; Amberlyst 15 for 0.05h; microwave irradiation;	94%
With potassium superoxide; tetraethylammonium bromide In N,N-dimethyl-formamide at 20℃; for 3h;	88%

: 124-04-9
Adipic acid

: 1191-25-9
6-Hydroxyhexanoic acid

A: 502-44-3
hexahydro-2H-oxepin-2-one

B: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
at 280 - 300℃; Product distribution / selectivity;	A 7% B 94%
sodium phosphate at 290℃; Product distribution / selectivity;	A 0.3% B 77%
tin(IV) oxide at 270℃; Product distribution / selectivity;	A 1% B 73%
sodium hydroxide at 270 - 290℃; Product distribution / selectivity;	A 25% B 58%
sodium borate at 290℃; Product distribution / selectivity;	A 0.3% B 39%

...Expand

: 627-93-0
hexanedioic acid dimethyl ester

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
Al2O3#dotK2O In water at 360℃; under 0.750075 Torr; for 500h;	93%

: 96-41-3
Cyclopentanol

: 64-19-7
acetic acid

A: 933-05-1
cyclopentyl acetate

B: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With dihydrogen peroxide; methyltrioxorhenium(VII); sodium bromide for 10h; Ambient temperature;	A 8% B 92%

...Expand

: menthyl alcohol

: 933-06-2
1-acetoxycyclopentene

: acetic acid mentyl ester

B: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With tetrabutylammonium tricarbonylnitrosylferrate In hexane at 20 - 80℃; Molecular sieve; Inert atmosphere;	A 92% B n/a

...Expand

: 877-46-3
4-(1-cyclopenten-1-yl)phenol

A: 120-92-3
cyclopentanone

B: 123-31-9
hydroquinone

Conditions

Conditions	Yield
With hydrogenchloride; dihydrogen peroxide In acetonitrile at 50℃; for 3h; the excess of H2O2 was removed by catalytic hydrogenation using 10percent Pd-C;	A n/a B 91.6%

: 19980-43-9
1-(trimethylsilyloxy)cyclopentene

A: 930-30-3
cyclopent-2-enone

B: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With oxygen; palladium matal-containing silica-supported catalyst In various solvent(s) at 59.9℃; for 24h; Product distribution; Mechanism; Pd(0) supported on various zeolites , influence of calcination and reaction temperature and of the solvent;	A 90.1% B n/a
With oxygen; silica gel; palladium In various solvent(s) at 59.9℃; for 24h; Product distribution; solvent;	A 90.1% B 0.8%
With oxygen; silica gel; palladium In various solvent(s) at 59.9℃; for 24h; Yields of byproduct given;	A 90.1% B n/a
With oxygen; silica gel; palladium In various solvent(s) at 59.9℃; for 24h;	A 90.1% B 0.8%

: 176-32-9
1,4-dioxaspiro[4.4]nonane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With formaldehyd; silica gel; iron(III) chloride at 20℃; for 0.0833333h;	90%
With chloral hydrate In hexane at 25℃; for 0.5h; Solvent; Temperature; Inert atmosphere;	83%
With boron trifluoride diethyl etherate; sodium iodide In acetonitrile for 2h; Heating;	82%
With water; β‐cyclodextrin at 20℃; for 16h;	98 % Chromat.

: 14090-60-9
2-cyclopentylidene-1,1-dimethylhydrazine

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With cerium(III) chloride; silica gel for 0.0666667h; Microwave irradiation;	90%
With sodium perborate; sodium hydroxide; potassium dihydrogenphosphate; water In tert-butyl alcohol at 60℃; for 24h;	70%
With ferric nitrate In dichloromethane 30 min., r.t., then reflux;	69%
With silica gel In tetrahydrofuran; water at 25℃; for 10h;	20%

: 1072-59-9
1-methoxycyclopentene

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With silica gel; iron(III) chloride at 20℃; for 0.333333h;	90%
With sulfuric acid In water at 25℃; Rate constant;

: 1132-58-7
cyclopentanone phenylhydrazone

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With zirconium hydrogen sulfate; silica gel In hexane for 1.5h; Heating;	90%

: bis(η5-cyclopentadienyl)molybdenacyclopentane

A: cyclopentadienylmolybdenum tricarbonyl dimer

B: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With CO In toluene toluene soln. of Mo complex placed in autoclave under 50 atm CO pressure, stirred at 90°C for 12 h; distn., trapping at -78°C;	A 83% B 90%

: (C4H9)3SnOC5H8Br

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
decompn. at 150°C for 0.5 h;	88%
decompn. at 150°C for 0.5 h;	88%

: 6651-36-1
1-(Trimethylsilyloxy)cyclohexene

A: 930-68-7
cyclohexenone

B: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With oxygen; silica gel; palladium In various solvent(s) at 59.9℃; for 24h;	A 87.4% B 0.8%

: 7148-07-4
1-pyrrolidinocyclopent-1-ene

: 719-98-2
2-((trifluoromethyl)thio)isoindoline-1,3-dione

A: 120-92-3
cyclopentanone

B: 2-((trifluoromethyl)thio)cyclopentanone

Conditions

Conditions	Yield
In acetonitrile at 25℃; for 48h; Hydrolysis; trifluoromethylthiolation;	A 12.9% B 87.1%

...Expand

: 142-29-0
cyclopentene

: 10230-26-9
trans-1,2-dibromocyclopentane

B: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With water; oxygen; lithium bromide; copper(ll) bromide In tetrahydrofuran at 25℃; under 760.051 Torr;	A 87% B n/a

: 274-09-9
Methylenedioxybenzene

A: 120-80-9
benzene-1,2-diol

B: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With iodo trichloro silane for 1h; Ambient temperature;	A 86% B 39%

: 124-04-9
Adipic acid

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With pyrographite at 450℃; for 0.5h;	85%
With calcium hydroxide at 350℃; Product distribution; Further Variations:; Reagents;	84.2%
at 290℃;

: 1003-03-8
Cyclopentamine

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene In dichloromethane at 0 - 20℃; for 0.333333h; Inert atmosphere; Green chemistry;	85%
With oxygen; potassium iodide; sodium nitrite In water; acetonitrile for 8h; Reflux;	75%
With potassium hydroxide In ethyl acetate at -78℃; Product distribution;	18%

: 551-93-9
2-aminoacetophenone

: 120-92-3
cyclopentanone

: 6829-07-8
9-methyl-2,3-dihydro-1H-cyclopenta[b]quinoline

Conditions

Conditions	Yield
With 3-methyl-1-sulfoimidazolium trichloroacetate; trichloroacetic acid In neat (no solvent) at 100℃; Friedlaender Quinoline Synthesis;	100%
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In ethyl acetate; N,N-dimethyl-formamide at 90℃; Friedlaender reaction;	98%
With ammonium cerium (IV) nitrate In ethanol for 16h; Friedlaender synthesis; Reflux;	97%

: 100-52-7
benzaldehyde

: 120-92-3
cyclopentanone

: 895-80-7
2,5-dibenzylidenecyclopentanone

Conditions

Conditions	Yield
With sodium hydroxide In ethanol at 20℃; Aldol Condensation;	100%
With molybdenum(V) chloride In neat (no solvent) for 0.0416667h; Claisen-Schmidt Condensation; Microwave irradiation; Green chemistry;	99%
With potassium hydroxide In ethanol at 40℃; for 0.00138889h;	98%

: 123-11-5
4-methoxy-benzaldehyde

: 120-92-3
cyclopentanone

: 5447-53-0, 106115-46-2
(2E,5E)-2,5-bis(4-methoxybenzylidene)cyclopentanone

Conditions

Conditions	Yield
With lithium perchlorate; triethylamine at 20℃; for 0.0166667h;	100%
With trichloro(trifluoromethanesulfonato)titanium(IV) at 20℃; for 2h; aldol condensation;	97%
With animal bone meal catalyst modified with Na In water for 0.25h; Reflux;	97%

: 120-92-3
cyclopentanone

: 105-56-6
ethyl 2-cyanoacetate

: 5407-83-0
ethyl 2-cyano-2-cyclopentylideneacetate

Conditions

Conditions	Yield
piperidine at 23℃; under 750.06 Torr; for 2h; Knoevenagel condensation;	100%
With morpholine; bis(acetylacetonate)oxovanadium at 40℃; for 1h; Reagent/catalyst; Temperature; Time; Knoevenagel Condensation;	99%
With ammonium acetate; acetic acid In toluene Knoevenagel Condensation; Reflux;	93%

: 120-92-3
cyclopentanone

: 694-28-0
2-chlorocyclopentanone

Conditions

Conditions	Yield
With iodine; mercury dichloride In dichloromethane for 1h; Ambient temperature;	100%
With N-chloro-succinimide In various solvent(s) at 20℃; for 0.5h;	91%
With N-chloro-succinimide In dimethyl sulfoxide at 20℃; for 0.25h;	87%

: 120-92-3
cyclopentanone

: 1192-28-5
Cyclopentanone oxime

Conditions

Conditions	Yield
With N,O-bis(trimethylsilyl)hydroxylamine; potassium hydride In tetrahydrofuran for 1.5h; Ambient temperature; - 78 deg C to room temp.;	100%
With sodium hydroxide; hydroxylamine hydrochloride at 20℃; for 0.5h; grinding;	100%
With hydroxylamine hydrochloride; sodium acetate In methanol Heating;	100%

: 120-92-3
cyclopentanone

: 96-41-3
Cyclopentanol

Conditions

Conditions	Yield
With zirconium dioxide hydrate; isopropyl alcohol at 130℃; for 0.666667h; Meerwein-Ponndorf-Verley Reduction;	100%
Stage #1: cyclopentanone With tetrabutylammonium tricarbonylnitrosylferrate; tricyclohexylphosphine In 1,4-dioxane at 50℃; Inert atmosphere; Stage #2: With water; sodium hydroxide In 1,4-dioxane; methanol at 20℃; for 1.5h; Inert atmosphere; chemoselective reaction;	99%
With C15H18BF3; hydrogen; tert-butylimino-tri(pyrrolidino)phosphorane In tetrahydrofuran at 75℃; under 75007.5 Torr; for 20h; Glovebox;	99%

: 75-77-4
chloro-trimethyl-silane

: 120-92-3
cyclopentanone

: 19980-43-9
1-(trimethylsilyloxy)cyclopentene

Conditions

Conditions	Yield
With triethylamine; sodium iodide In acetonitrile at 23℃; for 1.5h; Inert atmosphere;	100%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 40℃; for 0.5h;	98%
With magnesium In N,N-dimethyl-formamide at 15 - 25℃;	94%

: 34164-50-6
4-penten-1-ylmagnesium bromide

: 120-92-3
cyclopentanone

: 16133-77-0
1-(pent-4'-enyl)cyclopentan-1-ol

Conditions

Conditions	Yield
	100%
at 0℃;	90%
In diethyl ether for 2h; Ambient temperature;	72%

: 75-52-5
nitromethane

: 120-92-3
cyclopentanone

: 100-53-8
phenylmethanethiol

: 335458-23-6
1-benzylthio-1-nitromethylcyclopentane

Conditions

Conditions	Yield
With piperidine In benzene	100%
With piperidine In acetonitrile for 4h; Heating;	94%
With piperidine In benzene Heating;

...Expand

: 613-94-5
benzoic acid hydrazide

: 120-92-3
cyclopentanone

: 24214-78-6
N'-cyclopentylidene benzohydrazide

Conditions

Conditions	Yield
at 143℃; under 2100.21 Torr; for 0.05h; Microwave irradiation; neat (no solvent);	100%
for 0.05h; Microwave irradiation;	100%
at 20℃; for 0.05h; Microwave irradiation;	100%

: 120-14-9
3,4-dimethoxy-benzaldehyde

: 120-92-3
cyclopentanone

: 106115-49-5
2,5-Bis<(3,4-dimethoxyphenyl)methylen>cyclopentanon

Conditions

Conditions	Yield
With lithium perchlorate; triethylamine at 20℃; for 96h;	100%
With hydrogenchloride; acetic acid at 25 - 30℃; for 2h;	85%
With hydrogenchloride In acetic acid at 25 - 30℃; for 2h;	85%

: 106-95-6
allyl bromide

: 120-92-3
cyclopentanone

: 36399-21-0
1-allylcyclopentan-1-ol

Conditions

Conditions	Yield
With ammonium acetate; zinc In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere;	100%
With zinc; bis(cyclopentadienyl)titanium dichloride In tetrahydrofuran for 0.0833333h; Ambient temperature;	98%
With ammonium chloride; zinc In tetrahydrofuran; water at 20℃; for 10h;	90%

: 67-56-1
methanol

: 120-92-3
cyclopentanone

: 931-94-2
1,1-dimethoxycyclopentane

Conditions

Conditions	Yield
With trimethyl orthoformate at 40℃; under 6000480 Torr; for 8h;	100%
Irradiation;	25%
Ce(3+)-mont at 25℃; for 0.5h; Yield given;

: 870-46-2
t-butoxycarbonylhydrazine

: 120-92-3
cyclopentanone

: 79201-39-1
tert-butyl 2-cyclopentylidenehydrazine carboxylate

Conditions

Conditions	Yield
In methanol at 20℃; for 2h;	100%
In methanol at 20℃; for 3h; Inert atmosphere;	98%
In hexane for 0.333333h; Heating;	96%

: 90-11-9
1-Bromonaphthalene

: 120-92-3
cyclopentanone

: 74709-98-1
1-Naphthylcyclopentanol

Conditions

Conditions	Yield
With iodine; magnesium In diethyl ether for 3h; Grignard reaction; Heating;	100%
With iodine; magnesium 1.) ether, reflux, 2.) ether, benzene, RT, 2 h; Yield given. Multistep reaction;
Stage #1: 1-Bromonaphthalene With magnesium In diethyl ether Stage #2: cyclopentanone In diethyl ether for 3h; Grignard reaction;
Stage #1: 1-Bromonaphthalene With magnesium In diethyl ether for 0.5h; Reflux; Stage #2: cyclopentanone In diethyl ether at 0℃; for 1h;

: 16182-15-3
2,4,6-trimethylbenzenesulfonohydrazide

: 120-92-3
cyclopentanone

: 83477-71-8
N'-cyclopentylidene-2,4,6-trimethylbenzenesulfonohydrazide

Conditions

Conditions	Yield
In methanol at 20℃;	100%
In methanol 1.) 50 deg, 2.) room temperature;	88%

: 69739-34-0
t-butyldimethylsiyl triflate

: 120-92-3
cyclopentanone

: 68081-15-2
1-tert-butyldimethylsilyloxycyclopentene

Conditions

Conditions	Yield
With triethylamine In dichloromethane for 0.0833333h;	100%
With 2,6-dimethylpyridine In tetrahydrofuran at 0℃; for 1h;	71%
With triethylamine In dichloromethane at 0℃;

: 78396-88-0
ethyl hydrogen (5,6-dihydro-p-dioxin-2-yl)ethylphosphonite

: 120-92-3
cyclopentanone

: ethyl (5,6-dihydro-p-dioxin-2-yl)(1-hydroxycyclopentyl)phosphinate

Conditions

Conditions	Yield
for 600h; Ambient temperature;	100%

: 120-92-3
cyclopentanone

: 95-54-5
1,2-diamino-benzene

: 41526-78-7
2,3-cyclopentano-3,4-dihydro-5H-4-spirocyclopentano-1,5-benzodiazepine

Conditions

Conditions	Yield
With mesoporous aluminosilicate MCM-41(14) at 100℃; for 1h;	100%
With ytterbium(III) triflate at 20℃; for 4h;	99%
With octadecafluorodecahydronaphthalene (cis+trans) at 60℃; for 2h;	99%

: 120-92-3
cyclopentanone

: 1576-35-8
toluene-4-sulfonic acid hydrazide

: 17529-98-5
cyclopentanone p-tolylsulfonylhydrazone

Conditions

Conditions	Yield
In ethanol at 100℃; for 1h;	100%
In ethanol at 100℃; for 1.66667h; Inert atmosphere;	100%
In methanol at 20℃; Inert atmosphere;	99.5%

: 120-92-3
cyclopentanone

: 4403-69-4
2-amino-1-benzylamine

: 84571-63-1
3',4'-dihydro-1'H-spiro[cyclopentane-1,2'-quinazoline]

Conditions

Conditions	Yield
In chloroform at 60℃; for 24h;	100%
With acetic acid In ethanol for 3h; Heating;	82%

: 120-92-3
cyclopentanone

: 352-13-6
4-flourophenylmagnesium bromide

: 827-57-6
1-cyclopent-1-enyl 4-fluorobenzene

Conditions

Conditions	Yield
Stage #1: cyclopentanone; 4-flourophenylmagnesium bromide In tetrahydrofuran at 0℃; Reflux; Stage #2: With hydrogenchloride In tetrahydrofuran; water	100%
In tetrahydrofuran; diethyl ether at 0℃; for 2h; Reflux;	100%
Stage #1: cyclopentanone; 4-flourophenylmagnesium bromide In tetrahydrofuran at 0℃; for 2h; Reflux; Stage #2: With hydrogenchloride; water In tetrahydrofuran Cooling with ice;	100%
In diethyl ether Grignard reaction; Reflux;	61%
(i), (ii) KHSO4; Multistep reaction;

: 98-01-1
furfural

: 120-92-3
cyclopentanone

: α,α'-bis(2-furylmethylidene)cyclopentanone

Conditions

Conditions	Yield
With sodium hydroxide In ethanol for 0.0166667h; microwave irradiation;	100%
With aluminum oxide; potassium fluoride In methanol at 35 - 40℃; for 0.5h; Claisen-Schmidt condensation; ultrasound irradiation;	96%
With sodium-modified hydroxyapatite In water for 0.5h; Aldol condensation; Reflux;	96%