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Greenutra Resource Inc

maleic hydrazide Appearance:White powder Storage:Store in a cool dry place, avoiding sunlight directly Package:Food grade multiplayer polyethylene bags, 25kg in one type cardboard drum Application:Nutritional health products and food

maleic hydrazide

Cas:123-33-1

Min.Order:1 Kilogram

FOB Price: $15.0 / 100.0

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

Specifications 3.6-Dihydroxypyridazine 1.CAS# 123-33-1 2.Purity:99%min 3.25kg/drum or 25kg/bag 4.competitive price Appearance:White crystal Storage:dry environment Package:25kg/drum or as your needs Application:Pharmaceutical Intermed

3 6 Dihydroxypyridazine 123-33-1

Cas:123-33-1

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

3,6-Dihydroxypyridazine

Cas:123-33-1

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

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

Factory Supply 3,6-Dihydroxypyridazine

Cas:123-33-1

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. 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

huge stock TC Plant Growth Regulator Maleic hydrazide 123-33-1 GLP Manufacturer

Cas:123-33-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product specifica

3,6-Dihydroxypyridazine

Cas:123-33-1

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

chengdu and import and export trade 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 res

3,6-Dihydroxypyridazine

Cas:123-33-1

Min.Order:1 Metric Ton

FOB Price: $6000.0

Type:Trading Company

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Hubei DiBo chemical co., LTD

Name:3,6-Dihydroxypyridazine CAS no:123-33-1 Grade:Organic synthesis intermediate Molecular formula: C4H2N2O2 Molecular weight: 110.0709 Product Quality 12 years of chemical raw materials Mature operation of the industry System stabi

3,6-Dihydroxypyridazine/cas:123-33-1/3,6-Dihydroxypyridazine material

Cas:123-33-1

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

3,6-Dihydroxypyridazine Basic information Product Name: 3,6-Dihydroxypyridazine Synonyms: 1,2-Dihydro-3,6-pyradizinedione;1,2-dihydro-6-pyridazinedione;3(2H)-Pyridazinone, 6-hydroxy-;3,6

3,6-Dihydroxypyridazine 123-33-1

Cas:123-33-1

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 3,6-Dihydroxypyridazine CAS No. 123-33-1

3,6-Dihydroxypyridazine

Cas:123-33-1

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With 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

Maleic Hydrazide CAS 123-33-1

Cas:123-33-1

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Trading Company

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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

Top Purity CAS 123-33-1 with fast shipping

Cas:123-33-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

CAS Number 123-33-1 Product Name 3,6-dihydroxypyridazine Synonyms (2z)-but-2-enedihydrazide; 1,2-dihydro-3,6-pyridazinedione; 1,

3,6-Dihydroxypyridazine CAS: 123-33-1

Cas:123-33-1

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients 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 Specialized

3,6-Pyridazinedione,1,2-dihydro- 123-33-1

Cas:123-33-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: Maleic hydrazide CAS: 123-33-1 MF: C4H4N2O2 MW: 112.09 EINECS: 204-619-9 Mol File: 123-33-1.mol Maleic hydrazide Structure Maleic hydrazide Chemical Properties Melting point 299-301 °C (dec.)(lit.) Boiling po

Maleic hydrazide

Cas:123-33-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Maleic hydrazide CAS:123-33-1 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 intermedi

Maleic hydrazide CAS:123-33-1

Cas:123-33-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

3,6-Dihydroxypyridazine

Cas:123-33-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

3,6-Dihydroxypyridazine CAS NO.123-33-1

Cas:123-33-1

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

maleic hydrazide

Cas:123-33-1

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

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

3,6-Pyridazinedione,1,2-dihydro-

Cas:123-33-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

99.6% Maleic hydrazide TECH

Cas:123-33-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

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

99.6% Maleic hydrazide TECH

Cas:123-33-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

Maleic hydrazide

Cas:123-33-1

Min.Order:1 Kilogram

FOB Price: $35.0 / 50.0

Type:Lab/Research institutions

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

3,6-Dihydroxypyridazine

Cas:123-33-1

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

3,6-Dihydroxypyridazine/High quality/Best price

Cas:123-33-1

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

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

4-hydrazinyl-4-oxo-2-butenoic acid CAS NO.123-33-1

Cas:123-33-1

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

DihydroxypyridazineAppearance:White or Almost White crystalline powder Storage:Store in refrigerator Package:according to customers' requirements Application:Steroids injection For Body building Transportation:By air(EMS or EUB or FedEx or TNT ect...

Dihydroxypyridazine

Cas:123-33-1

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

99.6% Maleic hydrazide TECH

Cas:123-33-1

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: Maleic Hydrazide CAS No.: 123-33-1 Molecule Formula:C4H2N2O2 Molecule Weight:110.07 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TEST

Lower Price Maleic Hydrazide

Cas:123-33-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Maleichydrazide

Cas:123-33-1

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Synthetic route

maleic anhydride
108-31-6

maleic anhydride

Maleic hydrazide
123-33-1

Maleic hydrazide

Conditions
ConditionsYield
With hydrazine hydrate; sulfuric acid; lanthanum(lll) triflate In water at 30 - 120℃; for 10.5h; Temperature; Reagent/catalyst;97.2%
With hydrazine hydrate In water at 100℃; for 3h;92%
With hydrogenchloride; hydrazine hydrate In water Cooling with ice; Reflux;86%
maleic acid
110-16-7

maleic acid

Maleic hydrazide
123-33-1

Maleic hydrazide

Conditions
ConditionsYield
With hydrazine hydrate In water at 95℃; for 3h; Reagent/catalyst; Time;90%
With water; hydrazine
1-oxy-2H-pyridazin-3-one
18259-51-3

1-oxy-2H-pyridazin-3-one

Maleic hydrazide
123-33-1

Maleic hydrazide

Conditions
ConditionsYield
With acetic anhydride
N,N'-bis-(3c-carboxy-acryloyl)-hydrazine
5343-00-0, 15189-88-5

N,N'-bis-(3c-carboxy-acryloyl)-hydrazine

Maleic hydrazide
123-33-1

Maleic hydrazide

Conditions
ConditionsYield
With water
maleic anhydride
108-31-6

maleic anhydride

hydrazine hydrate
7803-57-8

hydrazine hydrate

acetic acid
64-19-7

acetic acid

Maleic hydrazide
123-33-1

Maleic hydrazide

Conditions
ConditionsYield
Verb. 1 = 1 Mol;
maleic anhydride
108-31-6

maleic anhydride

hydrazine hydrate

hydrazine hydrate

Maleic hydrazide
123-33-1

Maleic hydrazide

Conditions
ConditionsYield
In acetic acid for 3h; Reflux;
Maleic hydrazide
123-33-1

Maleic hydrazide

tetrahydropyridazine-3,6-dione
502-95-4

tetrahydropyridazine-3,6-dione

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In ethanol95%
With ethanol; platinum at 100℃; under 2942.03 Torr; Hydrogenation;
With ethanol; aluminium amalgam
Maleic hydrazide
123-33-1

Maleic hydrazide

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

dimedone
126-81-8

dimedone

11-(4-fluorophenyl)-3,4-dihydro-3,3-dimethyl-2H-pyridazino[1,2-a]indazole-1,6,9(11H)-trione

11-(4-fluorophenyl)-3,4-dihydro-3,3-dimethyl-2H-pyridazino[1,2-a]indazole-1,6,9(11H)-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.05h; Green chemistry;94%
Maleic hydrazide
123-33-1

Maleic hydrazide

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

dimedone
126-81-8

dimedone

11-(4-chlorophenyl)-3,3-dimethyl-11-3,4-dihydro-1H-pyridazino[1,2-a]indazole-1,6,9(2H,11H)-trione
1091592-75-4

11-(4-chlorophenyl)-3,3-dimethyl-11-3,4-dihydro-1H-pyridazino[1,2-a]indazole-1,6,9(2H,11H)-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.0833333h; Green chemistry;93%
With toluene-4-sulfonic acid at 80℃; for 0.333333h; neat (no solvent);49%
Maleic hydrazide
123-33-1

Maleic hydrazide

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

dimedone
126-81-8

dimedone

3,3-dimethyl-11-(4-nitrophenyl)-2,3,4,11-tetrahydro-1H-pyridazino[1,2-a]indazole-1,6,9-trione
1091592-76-5

3,3-dimethyl-11-(4-nitrophenyl)-2,3,4,11-tetrahydro-1H-pyridazino[1,2-a]indazole-1,6,9-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.05h; Green chemistry;93%
With toluene-4-sulfonic acid at 80℃; for 0.416667h; neat (no solvent);48%
Conditions
ConditionsYield
With lead(IV) acetate In methanol; chloroform92%
Maleic hydrazide
123-33-1

Maleic hydrazide

2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

dimedone
126-81-8

dimedone

11-(2-chlorophenyl)-3,3-dimethyl-3,4-dihydro-1H-pyridazino[1,2-a]indazole-1,6,9(2H,11H)-trione
1091592-77-6

11-(2-chlorophenyl)-3,3-dimethyl-3,4-dihydro-1H-pyridazino[1,2-a]indazole-1,6,9(2H,11H)-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.0833333h; Green chemistry;92%
With toluene-4-sulfonic acid at 80℃; for 0.666667h; neat (no solvent);55%
Maleic hydrazide
123-33-1

Maleic hydrazide

dimedone
126-81-8

dimedone

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

3,4-dihydro-3,3-dimethyl-11-(2-nitrophenyl)-2H-pyridazino[1,2-a]indazole-1,6,9(11H)-trione

3,4-dihydro-3,3-dimethyl-11-(2-nitrophenyl)-2H-pyridazino[1,2-a]indazole-1,6,9(11H)-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.0833333h; Green chemistry;92%
Maleic hydrazide
123-33-1

Maleic hydrazide

ethyl 5-(5-methoxy-2-(phenylethynyl)phenyl)-5-oxopenta-2,3-dienoate

ethyl 5-(5-methoxy-2-(phenylethynyl)phenyl)-5-oxopenta-2,3-dienoate

ethyl 2-(3-methoxy-5,8,11-trioxo-13-phenyl-6,6a,8,11-tetrahydro-5H-benzo[e]pyridazino[1,2-a]indazol-6a-yl)acetate

ethyl 2-(3-methoxy-5,8,11-trioxo-13-phenyl-6,6a,8,11-tetrahydro-5H-benzo[e]pyridazino[1,2-a]indazol-6a-yl)acetate

Conditions
ConditionsYield
With triethylamine In acetonitrile at 80℃;92%
Maleic hydrazide
123-33-1

Maleic hydrazide

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

malononitrile
109-77-3

malononitrile

3-amino-1-(4-nitrophenyl)-5,8-dioxo-5,8-dihydro-1H-pyrazolo-[1,2-a]pyridazine-2-carbonitrile

3-amino-1-(4-nitrophenyl)-5,8-dioxo-5,8-dihydro-1H-pyrazolo-[1,2-a]pyridazine-2-carbonitrile

Conditions
ConditionsYield
With acetic acid at 100℃; for 3h; Temperature; Green chemistry;92%
Maleic hydrazide
123-33-1

Maleic hydrazide

m-bromobenzoic aldehyde
3132-99-8

m-bromobenzoic aldehyde

dimedone
126-81-8

dimedone

11-(3-bromophenyl)-3,3-dimethyl-3,4-dihydro-1H-pyridazino[1,2-a]indazole-1,6,9(2H,11H)-trione
1091592-78-7

11-(3-bromophenyl)-3,3-dimethyl-3,4-dihydro-1H-pyridazino[1,2-a]indazole-1,6,9(2H,11H)-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.1h; Green chemistry;91%
With toluene-4-sulfonic acid at 80℃; for 0.333333h; neat (no solvent);54%
Maleic hydrazide
123-33-1

Maleic hydrazide

benzaldehyde
100-52-7

benzaldehyde

dimedone
126-81-8

dimedone

3,3-dimethyl-11-phenyl-2,3,4,11-tetrahydro-1H-pyridazino[1,2-a]indazole-1,6,9-trione
1091592-74-3

3,3-dimethyl-11-phenyl-2,3,4,11-tetrahydro-1H-pyridazino[1,2-a]indazole-1,6,9-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.1h; Catalytic behavior; Solvent; Temperature; Green chemistry;91%
With toluene-4-sulfonic acid at 80℃; for 0.5h; neat (no solvent);50%
Maleic hydrazide
123-33-1

Maleic hydrazide

dimedone
126-81-8

dimedone

β-naphthaldehyde
66-99-9

β-naphthaldehyde

3,4-dihydro-3,3-dimethyl-11-(naphthalen-3-yl)-2H-pyridazino[1,2-a]indazole-1,6,9(11H)-trione

3,4-dihydro-3,3-dimethyl-11-(naphthalen-3-yl)-2H-pyridazino[1,2-a]indazole-1,6,9(11H)-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.1h; Green chemistry;90%
Maleic hydrazide
123-33-1

Maleic hydrazide

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

malononitrile
109-77-3

malononitrile

3-amino-1-(3-nitrophenyl)-5,8-dioxo-5,8-dihydro-1H-pyrazolo-[1,2-a]pyridazine-2-carbonitrile

3-amino-1-(3-nitrophenyl)-5,8-dioxo-5,8-dihydro-1H-pyrazolo-[1,2-a]pyridazine-2-carbonitrile

Conditions
ConditionsYield
With acetic acid at 100℃; for 4h; Green chemistry;90%
With triethanolamine In water at 60℃; for 1.16667h; Knoevenagel Condensation; Sonication; Green chemistry;55%
Maleic hydrazide
123-33-1

Maleic hydrazide

ethyl 5-(2-((4-ethylphenyl)ethynyl)phenyl)-5-oxopenta-2,3-dienoate

ethyl 5-(2-((4-ethylphenyl)ethynyl)phenyl)-5-oxopenta-2,3-dienoate

ethyl 2-(13-(4-ethylphenyl)-5,8,11-trioxo-6,6a,8,11-tetrahydro-5H-benzo[e]pyridazino[1,2-a]indazol-6a-yl)acetate

ethyl 2-(13-(4-ethylphenyl)-5,8,11-trioxo-6,6a,8,11-tetrahydro-5H-benzo[e]pyridazino[1,2-a]indazol-6a-yl)acetate

Conditions
ConditionsYield
With triethylamine In acetonitrile at 80℃;90%
Maleic hydrazide
123-33-1

Maleic hydrazide

3-Chlorobenzaldehyde
587-04-2

3-Chlorobenzaldehyde

malononitrile
109-77-3

malononitrile

3-amino-1-(3-chlorophenyl)-5,8-dioxo-5,8-dihydro-1H-pyrazolo[1,2-a]pyridazine-2-carbonitrile

3-amino-1-(3-chlorophenyl)-5,8-dioxo-5,8-dihydro-1H-pyrazolo[1,2-a]pyridazine-2-carbonitrile

Conditions
ConditionsYield
With acetic acid at 100℃; for 5h; Green chemistry;89%
With triethanolamine In water at 60℃; for 1.08333h; Knoevenagel Condensation; Sonication; Green chemistry;55%
Maleic hydrazide
123-33-1

Maleic hydrazide

C21H14Cl2O3

C21H14Cl2O3

ethyl 2-(3-chloro-13-(4-chlorophenyl)-5,8,11-trioxo-6,6a,8,11-tetrahydro-5H-benzo[e]pyridazino[1,2-a]indazol-6a-yl)acetate

ethyl 2-(3-chloro-13-(4-chlorophenyl)-5,8,11-trioxo-6,6a,8,11-tetrahydro-5H-benzo[e]pyridazino[1,2-a]indazol-6a-yl)acetate

Conditions
ConditionsYield
With triethylamine In acetonitrile at 80℃;89%
Maleic hydrazide
123-33-1

Maleic hydrazide

2,5-dichloro-benzaldehyde
6361-23-5

2,5-dichloro-benzaldehyde

malononitrile
109-77-3

malononitrile

C14H8Cl2N4O2

C14H8Cl2N4O2

Conditions
ConditionsYield
With acetic acid at 100℃; for 4.5h; Green chemistry;89%
Maleic hydrazide
123-33-1

Maleic hydrazide

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

dimedone
126-81-8

dimedone

3,4-dihydro-11-(4-methoxyphenyl)-3,3-dimethyl-2H-pyridazino[1,2-a]indazole-1,6,9(11H)-trione

3,4-dihydro-11-(4-methoxyphenyl)-3,3-dimethyl-2H-pyridazino[1,2-a]indazole-1,6,9(11H)-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.166667h; Green chemistry;88%
Maleic hydrazide
123-33-1

Maleic hydrazide

2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

malononitrile
109-77-3

malononitrile

3-amino-1-(2-chlorophenyl)-5,8-dioxo-5,8-dihydro-1H-pyrazolo-[1,2-a]pyridazine-2-carbonitrile

3-amino-1-(2-chlorophenyl)-5,8-dioxo-5,8-dihydro-1H-pyrazolo-[1,2-a]pyridazine-2-carbonitrile

Conditions
ConditionsYield
With acetic acid at 100℃; for 5h; Green chemistry;88%
With triethanolamine In water at 60℃; for 0.433333h; Knoevenagel Condensation; Sonication; Green chemistry;73%
Maleic hydrazide
123-33-1

Maleic hydrazide

ethyl 5-oxo-5-(2-(phenylethynyl)phenyl)penta-2,3-dienoate

ethyl 5-oxo-5-(2-(phenylethynyl)phenyl)penta-2,3-dienoate

ethyl 2-(5,8,11-trioxo-13-phenyl-6,6a,8,11-tetrahydro-5H-benzo[e]pyridazino[1,2-a]indazol-6a-yl)acetate

ethyl 2-(5,8,11-trioxo-13-phenyl-6,6a,8,11-tetrahydro-5H-benzo[e]pyridazino[1,2-a]indazol-6a-yl)acetate

Conditions
ConditionsYield
With triethylamine In acetonitrile at 80℃;87%
Maleic hydrazide
123-33-1

Maleic hydrazide

4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

dimedone
126-81-8

dimedone

3,3-dimethyl-11-(4-methylphenyl)-3,4-dihydro-1H-pyridazino[1,2-a]indazole-1,6,9(2H,11H)-trione
1091592-80-1

3,3-dimethyl-11-(4-methylphenyl)-3,4-dihydro-1H-pyridazino[1,2-a]indazole-1,6,9(2H,11H)-trione

Conditions
ConditionsYield
With 1-methyl-2-pyrrolidinone hydrosulfate In neat (no solvent) at 85℃; for 0.166667h; Green chemistry;86%
With toluene-4-sulfonic acid at 80℃; for 0.5h; neat (no solvent);46%
Maleic hydrazide
123-33-1

Maleic hydrazide

3,6-dichlorpyridazine
141-30-0

3,6-dichlorpyridazine

Conditions
ConditionsYield
Stage #1: Maleic hydrazide With trichlorophosphate at 90℃; for 4h;
Stage #2: With sodium hydrogencarbonate In water Cooling with ice;
85%
With trichlorophosphate for 5h; Heating;67%
With trichlorophosphate
Maleic hydrazide
123-33-1

Maleic hydrazide

1,2-bis-(3-bromo-1-propynyl)benzene
173382-69-9

1,2-bis-(3-bromo-1-propynyl)benzene

14-oxa-1,19-diaza-tricyclo[13.3.1.05,10]nonadeca-5(10),6,8,15(19),16-pentaene-3,11-diyn-18-one

14-oxa-1,19-diaza-tricyclo[13.3.1.05,10]nonadeca-5(10),6,8,15(19),16-pentaene-3,11-diyn-18-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h;85%
Maleic hydrazide
123-33-1

Maleic hydrazide

benzaldehyde
100-52-7

benzaldehyde

malononitrile
109-77-3

malononitrile

3-amino-5,8-dioxo-1-phenyl-5,8-dihydro-1H-pyrazolo[1,2-a]pyridazine-2-carbonitrile

3-amino-5,8-dioxo-1-phenyl-5,8-dihydro-1H-pyrazolo[1,2-a]pyridazine-2-carbonitrile

Conditions
ConditionsYield
With acetic acid at 100℃; for 6h; Green chemistry;85%
With triethanolamine In water at 60℃; for 1.5h; Catalytic behavior; Solvent; Knoevenagel Condensation; Sonication; Green chemistry;40%
1,3-propanesultone
1120-71-4

1,3-propanesultone

Maleic hydrazide
123-33-1

Maleic hydrazide

disodium 3-[6-oxo-3-(3-sulfonatopropoxy)-1,6-dihydro-1-pyridazinyl]propanesulfonate

disodium 3-[6-oxo-3-(3-sulfonatopropoxy)-1,6-dihydro-1-pyridazinyl]propanesulfonate

Conditions
ConditionsYield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In benzene for 1h; Heating;84.1%
Maleic hydrazide
123-33-1

Maleic hydrazide

7-dehydrocholesterol
434-16-2

7-dehydrocholesterol

C31H46N2O3
81126-46-7

C31H46N2O3

Conditions
ConditionsYield
With lead(IV) acetate In dichloromethane; isopropyl alcohol84%

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