CAS No.89-59-8,4-Chloro-2-nitrotoluene Suppliers,MSDS download

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for t

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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.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

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Henan Sinotech Import&Export Corporation

4-Chloro-2-nitrotoluene Basic information Product Name: 4-Chloro-2-nitrotoluene Synonyms: Toluene,4-chloro-2-nitro-;Phenol, p-nitro-, mercury(II) salt;p-Nitrophenol mercury(II)

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

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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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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

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Zibo Hangyu Biotechnology Development Co., Ltd

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HANGZHOU YUNUO CHEMICAL CO.,LTD

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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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Siwei Development Group Ltd.

Product name: 2-Nitro-4-Chlorotoluene CAS No.：89-59-8 Molecule Formula：C7H6ClNO2 Molecule Weight：171.58 Purity: 99.0% Package: 25kg/drum Description： Light yellow crystals powder Manufacture Standards：Enterprise Standard

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Kono Chem Co.,Ltd

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Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

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GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

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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

1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers 68.Safe and fa

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Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

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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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Enke Pharma-tech Co.,Ltd. （Cangzhou, China ）

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Hunan chemfish Pharmaceutical co.,Ltd

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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

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Xiamen AmoyChem Co.,Ltd

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Hangzhou ZeErRui Chemical Co., Ltd.

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Hunan Russell Chemicals Technology Co.,Ltd

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HWRK Chem

in store Package:500G Application:Organic Chemicals

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Synthetic route

: 10565-16-9
(4-Chlor-2-nitro-phenyl)-malonsaeure-diaethylester

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
With dimethyl sulfoxide; sodium chloride at 160 - 170℃; for 24h; Decarboxylation; Krapcho's reaction;	55%

: 106-43-4
para-chlorotoluene

A: 89-59-8
4-chloro-2-nitrotoluene

B: 89-60-1
1-chloro-4-methyl-2-nitro-benzene

Conditions

Conditions	Yield
With oxygen; Nitrogen dioxide; iron(III)-acetylacetonate In 1,2-dichloro-ethane at 0℃; for 12h;	A 54% B 39%
With nitric acid; urea In acetic anhydride at 0 - 5℃; for 3h;	A 9.1% B 12%
With nitric acid; urea In acetic anhydride at 0 - 5℃; for 3h;	A 9.1% B 12%

: 106-43-4
para-chlorotoluene

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
With sulfuric acid; nitric acid In water at 50 - 55℃; for 2h;	49.2%
With sulfuric acid; nitric acid
With sulfuric acid; nitric acid das mit Aether isolierte Reaktionsprodukt unterwirft man der fraktionierten Destillation, wobei 4-Chlor-2-nitro-toluol bei 240-245grad uebergeht;
Multi-step reaction with 2 steps 1: 2 g / nitric acid, acetic anhydride, trifluoroacetic anhydride 2: 94.3 percent Chromat. / 92.4percent sulphuric acid, hydrazinium sulphate / H2O / 0.03 h / 25 °C View Scheme

: 106-43-4
para-chlorotoluene

A: 119-33-5
4-methyl-2-nitrophenol

B: 89-59-8
4-chloro-2-nitrotoluene

C: 89-60-1
1-chloro-4-methyl-2-nitro-benzene

Conditions

Conditions	Yield
With sulfuric acid; nitric acid In water at 25℃; for 3.83333h;	A 9.3% B 39.1% C 31%
With sulfuric acid; nitric acid In water at 25℃; for 3.83333h; Title compound not separated from byproducts;	A 9.3 % Chromat. B 39.1 % Chromat. C 31.0 % Chromat.

...Expand

: 88-72-2
1-methyl-2-nitrobenzene

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
With oxone; potassium chloride In acetonitrile at 20℃; for 24h;	5%

: 88-72-2
1-methyl-2-nitrobenzene

A: 83-42-1
6-chloro-2-nitrotoluene

B: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
With antimonypentachloride durch Chlorierung;
With chlorine; iron at 30℃;
With antimonypentachloride; chlorine
With chlorine; iron
With iodine; iron at 50 - 60℃; beim Chlorieren;

: 75508-74-6
5-chloro-2-methyl-2-nitrocyclohexa-3,5-dienyl acetate

A: 89-59-8
4-chloro-2-nitrotoluene

B: 89-60-1
1-chloro-4-methyl-2-nitro-benzene

Conditions

Conditions	Yield
With hydrazin sulfate; sulfuric acid In water at 25℃; for 0.0333333h; Title compound not separated from byproducts;	A 94.3 % Chromat. B 3.5 % Chromat.

: 3-nitro-4-methylphenylammonium hydrogensulfate

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
(i) aq. HCl, NaNO2, (ii) CuCl, aq. HCl; Multistep reaction;

: 106-43-4
para-chlorotoluene

: 7664-93-9
sulfuric acid

A: 89-59-8
4-chloro-2-nitrotoluene

B: 89-60-1
1-chloro-4-methyl-2-nitro-benzene

Conditions

Conditions	Yield
Product distribution; Nitrierung;

...Expand

: 106-43-4
para-chlorotoluene

: 7697-37-2
nitric acid

A: 89-59-8
4-chloro-2-nitrotoluene

B: 89-60-1
1-chloro-4-methyl-2-nitro-benzene

Conditions

Conditions	Yield
at -15℃; Quantum yield; sowie im Temperaturbereich von 0grad bis 50grad;
at 0℃; Product distribution;

...Expand

: 106-43-4
para-chlorotoluene

: 108-24-7
acetic anhydride

phosphorus pentoxide: phosphorus pentoxide

A: 89-59-8
4-chloro-2-nitrotoluene

B: 89-60-1
1-chloro-4-methyl-2-nitro-benzene

Conditions

Conditions	Yield
Product distribution; Nitrierung;

...Expand

sodium salt of/the/ 4-chloro-2-nitro-toluene-sulfonic acid-(3): sodium salt of/the/ 4-chloro-2-nitro-toluene-sulfonic acid-(3)

4-chloro-2-nitro-toluene-sulfonic acid-(3)-amide: 4-chloro-2-nitro-toluene-sulfonic acid-(3)-amide

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
With sulfuric acid at 220℃; Wasserdampf-Strom;

: 88-72-2
1-methyl-2-nitrobenzene

: 7647-18-9
antimonypentachloride

A: 83-42-1
6-chloro-2-nitrotoluene

B: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
bei der Chlorierung;
bei der Chlorierung;

...Expand

: 88-72-2
1-methyl-2-nitrobenzene

: 7782-50-5
chlorine

iron: iron

A: 83-42-1
6-chloro-2-nitrotoluene

B: 89-59-8
4-chloro-2-nitrotoluene

...Expand

: 88-72-2
1-methyl-2-nitrobenzene

: 7553-56-2
iodine

: 7782-50-5
chlorine

iron: iron

A: 83-42-1
6-chloro-2-nitrotoluene

B: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
at 50 - 60℃;

...Expand

2-nitro-toluene-4-diazonium sulfate: 2-nitro-toluene-4-diazonium sulfate

A: 89-59-8
4-chloro-2-nitrotoluene

B: 28442-37-7
3,3’-dinitroditoluene

Conditions

Conditions	Yield
With hydrogenchloride; copper dichloride

: 89-61-2
2,5-dichloronitrobenzene

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: dimethylformamide / 20 °C 2: 55 percent / aq. NaCl; DMSO / 24 h / 160 - 170 °C View Scheme

: 70343-09-8
2,3-dinitro-4-methylaniline

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: Diazotization.folgend Behandlung mit Kupfer(I)-chlorid in Salzsaeure bei 0grad 2: methanol; ammonia / 140 - 150 °C 3: Diazotieren und Kochen mit Alkohol View Scheme

: 170099-17-9
4-chloro-2,3-dinitro-toluene

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: methanol; ammonia / 140 - 150 °C 2: Diazotieren und Kochen mit Alkohol View Scheme

: 108-88-3
toluene

: 89-59-8
4-chloro-2-nitrotoluene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: iodine; iron; chlorine 2: HNO3+H2SO4 View Scheme

: 89-59-8
4-chloro-2-nitrotoluene

: 95-79-4
5-chloro-2-methyl-benzenamine

Conditions

Conditions	Yield
With hydrogen In 2-methyltetrahydrofuran; water at 40℃; under 15001.5 Torr; for 24h; chemoselective reaction;	99%
With TPGS-750-M; ammonium chloride; zinc In water at 20℃; for 3h; Green chemistry; chemoselective reaction;	97%
With hydrogen In methanol at 50℃; under 1500.15 Torr; for 0.25h; Inert atmosphere;	97%

: 89-59-8
4-chloro-2-nitrotoluene

: 52311-59-8
4-chloro-2-nitrobenzyl bromide

Conditions

Conditions	Yield
With N-Bromosuccinimide; Perbenzoic acid In tetrachloromethane for 6h; Heating;	98%
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane for 24h; Reflux;	93%
With N-Bromosuccinimide; dibenzoyl peroxide In tetrachloromethane for 18h; Inert atmosphere; Reflux;	69%

: 89-59-8
4-chloro-2-nitrotoluene

: 73183-34-3
bis(pinacol)diborane

: 1072945-06-2
4,4,5,5-tetramethyl-2-(4-methyl-3-nitrophenyl)-1,3,2-dioxaborolane

Conditions

Conditions	Yield
With sodium acetate; bis(dibenzylideneacetone)-palladium(0); XPhos for 12h; Miyaura Borylation Reaction; Heating;	98%

: 89-59-8
4-chloro-2-nitrotoluene

: 140-53-4
p-chlorobenzyl cyanide

: 844-24-6
4-chloro-α-(2-chloro-4-hydroxyimino-5-methyl-2,5-cyclohexadien-1-ylidene)phenylacetonitrile

Conditions

Conditions	Yield
With methanol; sodium methylate at 50℃; for 3h; Reagent/catalyst; Sealed tube;	97.2%

: 89-59-8
4-chloro-2-nitrotoluene

: 100-10-7
4-dimethylamino-benzaldehyde

: 106987-32-0
dimethyl-(4'-chloro-2'-nitro-trans-stilbenyl-(4))-amine

Conditions

Conditions	Yield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride for 3.5h; Ambient temperature;	95%
With piperidine at 170℃;

: 89-59-8
4-chloro-2-nitrotoluene

: 108-24-7
acetic anhydride

: 5900-55-0
N-(5-chloro-2-methylphenyl)acetamide

Conditions

Conditions	Yield
Stage #1: 4-chloro-2-nitrotoluene With sodium tetrahydroborate In water at 60 - 70℃; Green chemistry; Stage #2: acetic anhydride In water at 60 - 70℃; Green chemistry;	94%

: 89-59-8
4-chloro-2-nitrotoluene

: 934-56-5
trimethyl(phenyl)stannane

: 80726-54-1
1-methyl-2-nitro-4-phenylbenzene

Conditions

Conditions	Yield
With 1,4-diaza-bicyclo[2.2.2]octane; bis(tri-t-butylphosphine)palladium(0); sodium chloride In water at 60℃; for 24h; Stille Cross Coupling; Inert atmosphere;	92%

: 89-59-8
4-chloro-2-nitrotoluene

: 5551-11-1
4-Chloro-2-nitrobenzaldehyde

Conditions

Conditions	Yield
Stage #1: 4-chloro-2-nitrotoluene With N,N-dimethyl-aniline In N,N-dimethyl-formamide at 140℃; for 48h; Stage #2: With sodium periodate In water; N,N-dimethyl-formamide at 20℃; for 4h;	90%
Stage #1: 4-chloro-2-nitrotoluene With N,N-dimethyl-formamide dimethyl acetal In N,N-dimethyl-formamide at 140℃; for 16h; Stage #2: With sodium periodate In N,N-dimethyl-formamide at 0 - 20℃; Further stages.;	84%
With N,N-dimethyl-formamide dimethyl acetal In N,N-dimethyl-formamide at 135℃; for 48h; Temperature;	54%

: 89-59-8
4-chloro-2-nitrotoluene

: 4637-24-5
N,N-dimethyl-formamide dimethyl acetal

: 32989-56-3
5-chloro-trans-2-[β-(dimethylamino)vinyl]-nitrobenzene

Conditions

Conditions	Yield
With copper(l) iodide; N,N-dimethyl-formamide at 180℃; under 6000.6 - 7500.75 Torr; for 0.166667h; microwave irradiation;	90%
In N,N-dimethyl-formamide at 115℃; for 20h; Inert atmosphere;	73%
at 135℃; for 11h;

: 89-59-8
4-chloro-2-nitrotoluene

: 4637-24-5
N,N-dimethyl-formamide dimethyl acetal

: 17422-33-2
6-chloroindole

Conditions

Conditions	Yield
Stage #1: 4-chloro-2-nitrotoluene; N,N-dimethyl-formamide dimethyl acetal With pyrrolidine In 1,4-dioxane at 102℃; for 5.5h; Leimgruber-Batcho Indole Synthesis; Reflux; Inert atmosphere; Stage #2: With hydrazine hydrate In 1,4-dioxane at 45℃; for 1h; Reagent/catalyst; Solvent; Temperature; Leimgruber-Batcho Indole Synthesis;	90%
Stage #1: 4-chloro-2-nitrotoluene; N,N-dimethyl-formamide dimethyl acetal In N,N-dimethyl-formamide at 115℃; for 20h; Leimgruber-Batcho indole synthesis; Inert atmosphere; Stage #2: With iron(III) chloride hexahydrate; pyrographite; hydrazine hydrate In ethanol at 75℃; for 7h; Leimgruber-Batcho indole synthesis;

: 89-59-8
4-chloro-2-nitrotoluene

: 4637-24-5
N,N-dimethyl-formamide dimethyl acetal

: 5551-11-1
4-Chloro-2-nitrobenzaldehyde

Conditions

Conditions	Yield
Stage #1: 4-chloro-2-nitrotoluene; N,N-dimethyl-formamide dimethyl acetal In N,N-dimethyl-formamide at 140℃; for 16h; Stage #2: With sodium periodate In tetrahydrofuran; water at 0 - 20℃; for 5.16667h;	84%

: 50-00-0
formaldehyd

: 89-59-8
4-chloro-2-nitrotoluene

: 16764-17-3
2-(4-chloro-2-nitrophenyl)ethan-1-ol

Conditions

Conditions	Yield
With potassium hydroxide In water; dimethyl sulfoxide at 20℃; for 3h; Schlenk technique;	75%
With N-benzyl-trimethylammonium hydroxide In methanol; dimethyl sulfoxide at 90℃; for 2h;	48%
With sodium ethanolate In dimethyl sulfoxide

: 535924-69-7
tributyl(3,6-dihydro-2H-pyran-4-yl)stannane

: 89-59-8
4-chloro-2-nitrotoluene

: 1417617-59-4
4-(4-methyl-3-nitrophenyl)-3,6-dihydro-2H-pyran

Conditions

Conditions	Yield
With 1,4-diaza-bicyclo[2.2.2]octane; bis(tri-t-butylphosphine)palladium(0); sodium chloride In water at 60℃; for 24h; Temperature; Stille Cross Coupling; Inert atmosphere;	73%

: 123-75-1
pyrrolidine

: 89-59-8
4-chloro-2-nitrotoluene

: 4637-24-5
N,N-dimethyl-formamide dimethyl acetal

: 17422-33-2
6-chloroindole

Conditions

Conditions	Yield
aluminum nickel In tetrahydrofuran; N-methyl-acetamide; methanol	72.6%

...Expand

: 89-59-8
4-chloro-2-nitrotoluene

: 98-80-6
phenylboronic acid

: 80726-54-1
1-methyl-2-nitro-4-phenylbenzene

Conditions

Conditions	Yield
With 4,4'-(phenylphosphinediyl)bis(2,6-dimethylmorpholine); caesium carbonate; tris(dibenzylideneacetone)dipalladium (0) In 1,4-dioxane for 14h; Suzuki-Miyaura coupling; Heating;	72%
With [1,2-dimethyl-3-propoxymethylimidazolium]2[PdCl4]; potassium hydroxide In water; isopropyl alcohol at 70℃; for 24h; Suzuki-Miyaura Coupling; Schlenk technique;

: 89-59-8
4-chloro-2-nitrotoluene

: 1826-67-1
vinyl magnesium bromide

: 123-38-6
propionaldehyde

: 1445721-23-2
3,3'-propane-1,1'-diylbis(4-chloro-7-methyl-1H-indole)

Conditions

Conditions	Yield
Stage #1: 4-chloro-2-nitrotoluene; vinyl magnesium bromide In tetrahydrofuran at -40 - 0℃; for 2.5h; Inert atmosphere; Stage #2: propionaldehyde With hydrogenchloride In tetrahydrofuran; water at 0℃; for 0.5h; Inert atmosphere;	63%

...Expand

: 89-59-8
4-chloro-2-nitrotoluene

: 7443-25-6
dimethyl 2-(4-methoxybenzylidene)malonate

: 2-[2-(4-Chloro-2-nitro-phenyl)-1-(4-methoxy-phenyl)-ethyl]-malonic acid dimethyl ester

Conditions

Conditions	Yield
With sodium hydride In N,N-dimethyl-formamide Ambient temperature;	61%

: 89-59-8
4-chloro-2-nitrotoluene

: 100-85-6
N-benzyl-trimethylammonium hydroxide

: 16764-17-3
2-(4-chloro-2-nitrophenyl)ethan-1-ol

Conditions

Conditions	Yield
With paraformaldehyde In methanol; dimethyl sulfoxide; ethyl acetate	55%

: 89-59-8
4-chloro-2-nitrotoluene

: 104-88-1
4-chlorobenzaldehyde

: 1313843-56-9
2-(4-chloro-2-nitrophenyl)-1-(4-chlorophenyl)ethanol

Conditions

Conditions	Yield
With sodium methylate	52%

: 89-59-8
4-chloro-2-nitrotoluene

: 1826-67-1
vinyl magnesium bromide

: 1445721-19-6
3,3’-ethane-1,1-diylbis(4-chloro-7-methyl-1H-indole)

Conditions

Conditions	Yield
Stage #1: 4-chloro-2-nitrotoluene; vinyl magnesium bromide In tetrahydrofuran at -40 - 0℃; for 2.5h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; water at 0℃; for 0.5h; Inert atmosphere;	50%

: 553-90-2
Dimethyl oxalate

: 89-59-8
4-chloro-2-nitrotoluene

: 199526-95-9
methyl 4-chloro-2-nitrophenylpyruvate

Conditions

Conditions	Yield
With sodium methylate In methanol for 2h; Claisen-type condensation; Heating;	40%

: 89-59-8
4-chloro-2-nitrotoluene

: 170099-17-9
4-chloro-2,3-dinitro-toluene

Conditions

Conditions	Yield
With potassium nitrate In sulfuric acid	24%

: 89-59-8
4-chloro-2-nitrotoluene

: 35572-79-3
5-chloro-2-methyl-1,3-dinitro-benzene

Conditions

Conditions	Yield
With sulfuric acid; nitric acid at 0 - 90℃;	21.8%

: 89-59-8
4-chloro-2-nitrotoluene

: 95-92-1
oxalic acid diethyl ester

: 3-(4-chloro-2-nitro-phenyl)-2-hydroxyimino-propionic acid

Conditions

Conditions	Yield
Stage #1: 4-chloro-2-nitrotoluene; oxalic acid diethyl ester With sodium methylate In ethanol at 90℃; for 0.416667h; Stage #2: With hydroxylamine hydrochloride In water at 50℃; Stage #3: With hydrogenchloride In water at 20℃; pH=1;	20%