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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 quantities

1,3-Isobenzofurandione,5,6-dichloro-

Cas:942-06-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 942-06-3 4,5-dichlorophthalic anhydride

Cas:942-06-3

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

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

4,5-Dichlorophthalic anhydride

Cas:942-06-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Pharmaceutical Grade CAS 942-06-3 with competitive price

Cas:942-06-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

1,3-Isobenzofurandione,5,6-dichloro-

Cas:942-06-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

4,5-dichlorophthalic Anhydride CAS NO.942-06-3 CAS NO.942-06-3

Cas:942-06-3

Min.Order:20 Metric Ton

Negotiable

Type:Trading Company

inquiry

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

1,3-Isobenzofurandione,5,6-dichloro-

Cas:942-06-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

4,5-DICHLOROPHTHALIC ANHYDRIDE

Cas:942-06-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

High Quality Best price Fast Delivery Good Service Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; developm

4,5-DICHLOROPHTHALIC ANHYDRIDE

Cas:942-06-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

4,5-DICHLOROPHTHALIC ANHYDRIDE

Cas:942-06-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

4,5-dichlorophthalic Anhydride CAS NO.942-06-3 CAS NO.942-06-3 CAS NO.942-06-3

Cas:942-06-3

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

4,5-Dichlorophthalic Anhydride cas no. 942-06-3 98%

Cas:942-06-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

4,5-dichlorophthalic anhydride

Cas:942-06-3

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

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

4,5-Dichlorophthalic anhydride

Cas:942-06-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

4,5-DICHLOROPHTHALIC ANHYDRIDE

Cas:942-06-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

4,5-Dichlorophthalic Anhydride

Cas:942-06-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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

4,5-Dichlorophthalic Anhydride

Cas:942-06-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

4,5-Dichlorophthalic anhydride

Cas:942-06-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

1,3-Isobenzofurandione,5,6-dichloro- cas 942-06-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

1,3-Isobenzofurandione,5,6-dichloro- cas 942-06-3

Cas:942-06-3

Min.Order:0

Negotiable

Type:Other

inquiry

Chemlyte Solutions

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

4,5-DICHLOROPHTHALIC ANHYDRIDE

Cas:942-06-3

Min.Order:0

Negotiable

Type:Other

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

4,5-DICHLOROPHTHALIC ANHYDRIDE

Cas:942-06-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

4,5-DICHLOROPHTHALIC ANHYDRIDE

Cas:942-06-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

5,6-Dichloroisobenzofuran-1,3-dione

Cas:942-06-3

Min.Order:0

Negotiable

Type:Other

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

4,5-Dichlorophthalic anhydride

Cas:942-06-3

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

1,3-Isobenzofurandione,5,6-dichloro- CAS NO.942-06-3

Cas:942-06-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Chemlin Chemical Co., Ltd.

Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co

942-06-3

Cas:942-06-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Yinghao Pharm Co.,Ltd.

Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat

4,5-Dichlorophthalic anhydride

Cas:942-06-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Capot Chemical Co., Ltd.

At Capot,We can synthesize and purify your complex molecules from 100 gram to 10 tons.Appearance:Clear colorless to light yellow liquid Storage:Dry,Seal and Cool place Package:1G,5G,10G,25G,100G,250G,500G,1KG,5KG,10KG,25KG,50KG,100KG,150KG,200KG. App

4,5-Dichlorophthalic anhydride

Cas:942-06-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 4,5-DICHLOROPHTHALIC ANHYDRIDE, CAS:942-06-3 with the most competitive price and the

4,5-DICHLOROPHTHALIC ANHYDRIDE

Cas:942-06-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai PotentPharm Science and Technology Co.,Ltd

1 good quality, better price and bettter service;2 Timely delivery;3 100% refunded if parcel is not delivered or poor quality.We will try to satisfy you upon receipt of your reply. I hope that we can become a long-term cooperative partner. Applicatio

5,6-Dichloroisobenzofuran-1,3-dione

Cas:942-06-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

4,5-dichlorophthalic acid
56962-08-4

4,5-dichlorophthalic acid

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

Conditions
ConditionsYield
With acetyl chloride for 2h; Reflux;100%
With acetic anhydride for 2h; Heating;97%
With acetic anhydride at 165℃; for 5h;96%
4,5-dichlorotetrahydrophthalic anhydride

4,5-dichlorotetrahydrophthalic anhydride

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

Conditions
ConditionsYield
99.6%
benzene-1,2-dicarboxylic acid
88-99-3

benzene-1,2-dicarboxylic acid

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

Conditions
ConditionsYield
With alkaline solution; chlorine in Gegenwart von Antimon-Salzen;
phthalic anhydride
85-44-9

phthalic anhydride

A

4-chlorophthalic anhydride
118-45-6

4-chlorophthalic anhydride

B

3-chlorophthalic anhydride
117-21-5

3-chlorophthalic anhydride

C

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

D

4,6-dichloroisobenzofuran-1,3-diketone
51971-64-3

4,6-dichloroisobenzofuran-1,3-diketone

Conditions
ConditionsYield
With chlorine at 390℃; Product distribution; var. temp, var. conc. of Cl2;
With chlorine at 420℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
With chlorine at 390℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
phthalic anhydride
85-44-9

phthalic anhydride

sulfuric acid
7664-93-9

sulfuric acid

iodine
7553-56-2

iodine

chlorine
7782-50-5

chlorine

A

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

B

3,6-dichlorophthalic anhydride
4466-59-5

3,6-dichlorophthalic anhydride

C

3,4-dichlorophthalic anhydride
56962-07-3

3,4-dichlorophthalic anhydride

Conditions
ConditionsYield
at 40 - 60℃;
4,5-dichlorotetrahydrophthalic anhydride

4,5-dichlorotetrahydrophthalic anhydride

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

Conditions
ConditionsYield
With bromine In 1,2,3-trichlorobenzene
4,5-dichlorophthalic acid
56962-08-4

4,5-dichlorophthalic acid

A

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

B

6,7-dichlorobenzo[d][1,2]dioxine-1,4-dione

6,7-dichlorobenzo[d][1,2]dioxine-1,4-dione

Conditions
ConditionsYield
With sodium percarbonate In dichloromethane for 24h; Inert atmosphere; Overall yield = 56 %; Overall yield = 12 g;
methanol
67-56-1

methanol

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

4,5-dichloro-2-methoxycarbonyl benzoic acid
145303-69-1

4,5-dichloro-2-methoxycarbonyl benzoic acid

Conditions
ConditionsYield
With sodium methylate100%
for 18h; Reflux;87%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

4,5-dichlorophthalimide
15997-89-4

4,5-dichlorophthalimide

Conditions
ConditionsYield
With formamide at 180 - 190℃;100%
With formamide for 3h; Heating;98%
With formamide for 0.0666667h; microwave irradiation;96%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

4,5-dichloro-2-methoxycarbonyl benzoic acid
145303-69-1

4,5-dichloro-2-methoxycarbonyl benzoic acid

Conditions
ConditionsYield
Stage #1: 4,5-dichlorophthalic anhydride With sodium methylate In methanol for 12h; Heating / reflux;
Stage #2: With hydrogenchloride In methanol; water
99.5%
Stage #1: 4,5-dichlorophthalic anhydride With sodium methylate In methanol for 12h; Heating / reflux;
Stage #2: With hydrogenchloride In methanol; water
99.5%
In methanol
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

4,5-dichlorobenzene-1,2-dimethanol
24006-92-6

4,5-dichlorobenzene-1,2-dimethanol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃;98%
With lithium aluminium tetrahydride In tetrahydrofuran for 2.5h; Reflux;81%
With lithium aluminium tetrahydride In tetrahydrofuran for 5h; Cooling with ice; Reflux;57%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

2,6-diisopropylbenzenamine
24544-04-5

2,6-diisopropylbenzenamine

C20H19Cl2NO2

C20H19Cl2NO2

Conditions
ConditionsYield
With acetic acid at 120℃; for 8h;98%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

4-amino-n-butyric acid
56-12-2

4-amino-n-butyric acid

4-(4,5-Dichlorophthalimido)butanoic acid
144631-14-1

4-(4,5-Dichlorophthalimido)butanoic acid

Conditions
ConditionsYield
In xylene for 24h; Heating;96%
With acetic acid at 100℃; for 3h;96%
2-thienyl lithium
2786-07-4

2-thienyl lithium

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

2-(2-theonyl)-4,5-dichlorobenzoic acid
143746-69-4

2-(2-theonyl)-4,5-dichlorobenzoic acid

Conditions
ConditionsYield
96%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

5'-O-(4-4'-dimethoxytrityl)thymidine
40615-39-2

5'-O-(4-4'-dimethoxytrityl)thymidine

triethylamine
121-44-8

triethylamine

triethylammonium 5'-O-(4,4'-dimethoxytrityl)thymidine-3'-yl-(4,5-dichloro)phthalate

triethylammonium 5'-O-(4,4'-dimethoxytrityl)thymidine-3'-yl-(4,5-dichloro)phthalate

Conditions
ConditionsYield
With dmap In pyridine for 6h;96%
With pyridine; dmap at 20℃; for 6h;96%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

4-chlorophthalic acid
89-20-3

4-chlorophthalic acid

Conditions
ConditionsYield
With aq. NaOH; zinc95%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

3,4,5-Trimethoxyaniline
24313-88-0

3,4,5-Trimethoxyaniline

5,6-dichloro-2-(3,4,5-trimethoxyphenyl)isoindoline-1,3-dione
1293923-42-8

5,6-dichloro-2-(3,4,5-trimethoxyphenyl)isoindoline-1,3-dione

Conditions
ConditionsYield
With acetic acid for 12h; Reflux;95%
3,4,5-trimethoxybenzylamine
18638-99-8

3,4,5-trimethoxybenzylamine

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

5,6-dichloro-2-(3,4,5-trimethoxybenzyl)isoindoline-1,3-dione

5,6-dichloro-2-(3,4,5-trimethoxybenzyl)isoindoline-1,3-dione

Conditions
ConditionsYield
With acetic acid for 4h; Reflux;95%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

4-methoxy-aniline
104-94-9

4-methoxy-aniline

N-(p-methoxyphenyl)-4,5-dichlorophthalimide
93296-68-5

N-(p-methoxyphenyl)-4,5-dichlorophthalimide

Conditions
ConditionsYield
With acetic acid for 2h; Heating;93%
2-(aminoethyl)pyridine
2706-56-1

2-(aminoethyl)pyridine

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

5,6-dichloro-2-[2-(pyridin-2-yl)ethyl]isoindoline-1,3-dione
1335104-52-3

5,6-dichloro-2-[2-(pyridin-2-yl)ethyl]isoindoline-1,3-dione

Conditions
ConditionsYield
Stage #1: 2-(aminoethyl)pyridine; 4,5-dichlorophthalic anhydride With acetic acid for 6h; Reflux;
Stage #2: With sodium hydrogencarbonate
93%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

glycine
56-40-6

glycine

2-(5,6-dichloro-1,3-dioxoisoindolin-2-yl)acetic acid
111104-25-7

2-(5,6-dichloro-1,3-dioxoisoindolin-2-yl)acetic acid

Conditions
ConditionsYield
In xylene for 24h; Heating;92%
In 5,5-dimethyl-1,3-cyclohexadiene at 160℃; for 40h;92%
In 5,5-dimethyl-1,3-cyclohexadiene at 160℃; for 4h;92%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

L-cyclohexylalanine
27527-05-5

L-cyclohexylalanine

(S)-3-cyclohexyl-2-(5,6-dichloro-1,3-dioxoisoindolin-2-yl)propanoic acid
1416811-70-5

(S)-3-cyclohexyl-2-(5,6-dichloro-1,3-dioxoisoindolin-2-yl)propanoic acid

Conditions
ConditionsYield
With triethylamine In toluene Reflux; Dean-Stark;92%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

benzylamine
100-46-9

benzylamine

2-benzyl-5,6-dichloroisoindoline-1,3-dione
331420-68-9

2-benzyl-5,6-dichloroisoindoline-1,3-dione

Conditions
ConditionsYield
With acetic acid for 3h; Reflux; Inert atmosphere; Schlenk technique;92%
With acetic acid at 120℃; for 2h; Inert atmosphere; Schlenk technique;91%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

phenylhydrazine
100-63-0

phenylhydrazine

4,5-dichloro-1-phenyl-1,2-dihydropyridazine-3,6-dione

4,5-dichloro-1-phenyl-1,2-dihydropyridazine-3,6-dione

Conditions
ConditionsYield
With hydrogenchloride In water at 120℃; for 9h;92%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

pararosaniline
467-62-9

pararosaniline

4,4',4''-tris(4,5-dichlorophthalimido)tritanol
91898-84-9

4,4',4''-tris(4,5-dichlorophthalimido)tritanol

Conditions
ConditionsYield
With acetic anhydride In pyridine at 150℃; for 2h;91%
In pyridine at 80℃; for 1h; Yield given;
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

methylamine hydrochloride
593-51-1

methylamine hydrochloride

4,5-Dichloro-N-methylphthalimide
86611-81-6

4,5-Dichloro-N-methylphthalimide

Conditions
ConditionsYield
With sodium acetate In acetic acid for 1h; Heating;91%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

ethyl acetoacetate
141-97-9

ethyl acetoacetate

2-Ethoxycarbonyl-5,6-dichlorindan-1,3-dione
99979-36-9

2-Ethoxycarbonyl-5,6-dichlorindan-1,3-dione

Conditions
ConditionsYield
With acetic anhydride; triethylamine for 24h;91%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

(+/-)-3-chloromethyl-2-hydroxymethyl-1-methyl-2,5-dihydropyrrolium chloride
112120-07-7

(+/-)-3-chloromethyl-2-hydroxymethyl-1-methyl-2,5-dihydropyrrolium chloride

(+/-)-6,7-O,O-(4,5-Dichlorophthaloyl)synthanecine A
117424-41-6

(+/-)-6,7-O,O-(4,5-Dichlorophthaloyl)synthanecine A

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide for 24h; Ambient temperature;91%
(2-aminomethylpyridine)
3731-51-9

(2-aminomethylpyridine)

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

5,6-dichloro-2-(pyridin-2-yl-methyl)isoindoline-1,3-dione
332044-42-5

5,6-dichloro-2-(pyridin-2-yl-methyl)isoindoline-1,3-dione

Conditions
ConditionsYield
Stage #1: 2-(Aminomethyl)pyridine; 4,5-dichlorophthalic anhydride With acetic acid for 6h; Reflux;
Stage #2: With sodium hydrogencarbonate
91%
4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

Conditions
ConditionsYield
With sodium acetate; acetic anhydride; acetic acid for 12h; Reflux;91%
With acetic acid for 4h; Reflux;

Conditions
ConditionsYield
In toluene at 120℃; for 5h;91%
With sulfuric acid In toluene at 120℃; for 5h;91%

Conditions
ConditionsYield
With sodium acetate; acetic acid for 12h; Reflux;91%

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In toluene Dean-Stark; Reflux;91%

Conditions
ConditionsYield
With aluminium trichloride; sodium chloride at 220℃; for 1.5h; Friedel-Crafts reaction;90%
With boric acid at 190℃; beim Behandeln das Reaktionsprodukt bei 150-165grad mit 94prozentiger Schwefelsaeure;
With aluminium trichloride; sodium chloride at 200 - 220℃;

Conditions
ConditionsYield
With acetic acid; hydrazine at 70℃; Inert atmosphere;90%
Stage #1: 4,5-dichlorophthalic anhydride With hydrazine hydrate Inert atmosphere;
Stage #2: With hydrogenchloride In water for 24h; Reflux; Inert atmosphere;
84%
With hydrazine In ethanol at 20℃; for 2h; Reflux;76%

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