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Saiwante (shanghai) New Material Technology Co., Ltd.

High purity Curcumin CAS:458-37-7 items standard result appearance orange-yellow orange-yellow assay(hplc) ≥98% 98.65%

High purity Curcumin CAS:458-37-7

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $8.0 / 11.0

Type:Trading Company

inquiry

Greenutra Resource Inc

Turmeric Root Extract English name: Curcumin Longa extract Botanical name: Curcuma Longa L. Active ingrendients: : Curcumin Extract Ratio: 80%,95% Parts used: whole herb Introdution Curcumin is a a water solu

pure turmeric powder

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $87.0

Type:Trading Company

inquiry

Xian Changyue Biological Technology Co., Ltd.

Our advantage 1. Free sample and unconditional assume response 2. 100% natural product, without any synthetize ingredient 3. Manufacturer direct supply, provide OEM, R&D service 4. ISO/HACCP/KOSHER/GMP/FDA 5. Leading plant extract man

100%naturl Curcumin sold directly by the leader company of xi'an changyue in China

Cas:458-37-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Xi'an Yinherb Bio-Tech Co., Ltd.

Xi'an Yinherb Bio-Tech Co., Ltd was founded in 2009, We have more than 10 experienced doctors and scientists and professional managers, specializing in Nootropics, Sarms and Peptides researching and developing, and become the lead

Natural Curcumin 95%

Cas:458-37-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan ZeShanCheng Biomedical Technology Co., Ltd.

Curcumin CAS No.: 458-37-7 Molecular formula: c21h20o6 Molecular weight: 368.38 Melting point 183 ° C Boiling point 418.73 ° C (rough estimate) Density 0.93 Vapor density 13 (vsair) Refractive index 1.4155-1.4175 Flash point 208.9 &p

Curcumin

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Trading Company

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Weihai Moochun Bio-Tech Co., Ltd.

Natural Curcumin 95% Basic Info: Product Name: Curcumin Powder Botanical Name: Curcuma Longa L Part Used: Stem Active Ingredients: Curcumin, Curcuminoids Specifications: 80%~95%Curcumin/Curcuminoids C

Curcuma Extract /Curcumin

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $90.0

Type:Trading Company

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

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

Curcumin Manufacturer/High quality/Best price/In stock

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

factory supply 99% Organic Turmeric Root Extract / Curcumin

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $15.0 / 35.0

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance orange-yellow orange-yellow Assay(HPLC) ≥98%

High purity Curcumin CAS:458-37-7

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $110.0 / 125.0

Type:Manufacturers

inquiry

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

High quality turmeric supplier in China

Cas:458-37-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

Curcuma is a rhizomatous herbaceous perennial plant of the ginger family,Zingiberaceae. The active ingredient of curcuma extract is curcumin. Curcuma extract curcumin powder is commonly used as a spice in Indian and Chinese systems of medicine. C

Curcumin Natural Curcumin Powder

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $90.0 / 95.0

Type:Other

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu

Curcumins Cas No:458-37-7

Cas:458-37-7

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ

Curcumin CAS 458-37-7

Cas:458-37-7

Min.Order:100 Gram

FOB Price: $2.0

Type:Manufacturers

inquiry

Xi'an Quanao Biotech Co., Ltd.

We are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,

ISO Certification Curcuma Longa Root Extract Turmeric Extract Powder 10:1

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $13.0 / 20.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Yellow-orange powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:food additive Transportatio

Manufacturer high quality Curcumin Cas 458-37-7 with good price

Cas:458-37-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

Product Description: Curcumin CAS 458-37-7 is a saffron yellow and claybank powder. It is insoluble in water but soluble in organic solvents. The stable chemical property enables itself to tolerate high temperature and high pressure in the pr

Buy Curcumin 10%, 90%& 95%, China factory

Cas:458-37-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Think Chemical Co. Ltd

HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exporting

Manufacturer Curcumin CAS NO.:458-37-7 supplie from china

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Other

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 Curcumin

Cas:458-37-7

Min.Order:1

Negotiable

Type:Other

inquiry

Baoding Faithful Industry Co., Ltd.

Sales: 1.24hours to reply your E-mail 2.Market information trend share with customers Suggestion for purchase decision Reputation: 1.Implementing contract terms strictly 2.Timely solve any discrepancy or goods claims Take our responsibility for los

High Quality Curcumin 95% Turmeric Powder Turmeric Root Extract

Cas:458-37-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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

Xi`an Eastling Biotech Co., Ltd.

458-37-7 - Physico-chemical Properties Molecular Formula C21H20O6 Molar Mass 368.38 Density 0.93 Melting Point 183 °C Boling Point 418.73°C (rough estimate) Flash Point

Top Quality Natural Curcumin

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $35.0 / 49.0

Type:Lab/Research institutions

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Curcumin

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Turmeric

Cas:458-37-7

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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

Curcumin

Cas:458-37-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei Vanz Pharm Co.,Ltd

1. Direct manufacturer 2. Stock available 3. Stable and fine quality 4. Premium service Appearance:orange crystalline powder Storage:-20°C Package:bag/bottle/drum Application:anti neoplastic;food dye Transportation:com

Curcumin

Cas:458-37-7

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:Curcumin Alias: Turmeric yellow, Diferuloylmethane English Name:Curcumin CSA: 458-37-7 Molecular formula: C21H20O6 Molecular weight: 368.37 Packaging Specification: 25kg/drum high purity 99%min stock Hubei DiBo Chemical Co., Ltd. was

Curcumin/CAS:458-37-7/Manufacturer provides straightly

Cas:458-37-7

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

Curcumin cas 458-37-7

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 8 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

458-37-7 Curcumin C21H20O6

Cas:458-37-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

New production CAS 458-37-7 with best quality

Cas:458-37-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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 R&amp

Curcumin/ LIDE PHARMA- Factory supply / Best price

Cas:458-37-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

vanillin
121-33-5

vanillin

acetylacetone
123-54-6

acetylacetone

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
Stage #1: vanillin; acetylacetone With boron trioxide; boric acid tributyl ester In ethyl acetate for 0.333333h;
Stage #2: With N-butylamine In ethyl acetate at 80℃; for 15h;
93%
Stage #1: vanillin; acetylacetone With boron trioxide; boric acid tributyl ester In ethyl acetate at 50℃; for 0.166667h;
Stage #2: With N-butylamine In ethyl acetate at 50 - 80℃; for 4.25h;
85%
Stage #1: vanillin; acetylacetone With boron trioxide; boric acid tributyl ester In ethyl acetate at 50℃; for 0.0833333h; Aldol condensation; Inert atmosphere;
Stage #2: With N-butylamine In ethyl acetate at 50 - 80℃; for 4.25h; Inert atmosphere;
Stage #3: With hydrogenchloride In water; ethyl acetate for 0.5h; Inert atmosphere;
81%
vanillin
121-33-5

vanillin

acetylacetone
123-54-6

acetylacetone

A

curcumin
458-37-7

curcumin

B

4-hydroxy-6-(4-hydroxy-3-methoxyphenyl)3,5-hexadien-2-one
1924-25-0

4-hydroxy-6-(4-hydroxy-3-methoxyphenyl)3,5-hexadien-2-one

Conditions
ConditionsYield
With piperidine; triethyl borate; boron trioxide In 1,4-dioxaneA 8%
B 22%
4-oxopentanal
626-96-0

4-oxopentanal

vanillin
121-33-5

vanillin

A

curcumin
458-37-7

curcumin

B

(1E,6E)-4-(4-hydroxy-3-methoxybenzylidene)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione

(1E,6E)-4-(4-hydroxy-3-methoxybenzylidene)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione

Conditions
ConditionsYield
With boron trioxide
(1ξ)-1-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)-6-heptene-3,5-dione
112494-43-6

(1ξ)-1-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)-6-heptene-3,5-dione

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
at 130℃; under 15 Torr; for 10h;
4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

vanillin
121-33-5

vanillin

acetylacetone
123-54-6

acetylacetone

A

curcumin
458-37-7

curcumin

B

bisdemethoxycurcumin
22608-12-4, 24939-16-0, 33171-05-0

bisdemethoxycurcumin

Conditions
ConditionsYield
With boric acid tributyl ester; boric acid In ethyl acetate at 40℃; for 0.5h;A 2.1 g
B 0.7 g
C 2.6 g
4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

acetylacetone
123-54-6

acetylacetone

A

curcumin
458-37-7

curcumin

B

bisdemethoxycurcumin
22608-12-4, 24939-16-0, 33171-05-0

bisdemethoxycurcumin

Conditions
ConditionsYield
With boric acid tributyl ester; boric acid; vanillin In ethyl acetate at 40℃; for 0.5h;A 2.1 g
B 0.7 g
C 2.6 g
vanillin
121-33-5

vanillin

acetylacetone
123-54-6

acetylacetone

A

curcumin
458-37-7

curcumin

B

bisdemethoxycurcumin
22608-12-4, 24939-16-0, 33171-05-0

bisdemethoxycurcumin

Conditions
ConditionsYield
With boric acid tributyl ester; boric acid; 4-hydroxy-benzaldehyde In ethyl acetate at 40℃; for 0.5h;A 2.1 g
B 0.7 g
C 2.6 g
1,7-bis-(3-methoxy-4-methoxycarbonyloxy-phenyl)-hepta-1,6-diene-3,5-dione

1,7-bis-(3-methoxy-4-methoxycarbonyloxy-phenyl)-hepta-1,6-diene-3,5-dione

acetone
67-64-1

acetone

KOH-solution

KOH-solution

curcumin
458-37-7

curcumin

1,7-bis-(4-hydroxy-3-methoxy-phenyl)-hepta-1,6-diene-3,5-dione; curcumin-tris hydrobromide

1,7-bis-(4-hydroxy-3-methoxy-phenyl)-hepta-1,6-diene-3,5-dione; curcumin-tris hydrobromide

A

curcumin
458-37-7

curcumin

B

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

Conditions
ConditionsYield
an trockner Luft;
water
7732-18-5

water

1,7-bis-(4-hydroxy-3-methoxy-phenyl)-hepta-1,6-diene-3,5-dione; curcumin-tris hydrobromide

1,7-bis-(4-hydroxy-3-methoxy-phenyl)-hepta-1,6-diene-3,5-dione; curcumin-tris hydrobromide

A

curcumin
458-37-7

curcumin

B

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

curcumin phenoxyl radical

curcumin phenoxyl radical

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With ascorbic acid In water; dimethyl sulfoxide Kinetics;
curcumin radical cation

curcumin radical cation

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With triethylamine In various solvent(s) at 20℃; Kinetics;
vanillin
121-33-5

vanillin

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
Stage #1: acetylacetone With boron trioxide In ethyl acetate at 20℃; for 1h;
Stage #2: vanillin With boric acid tributyl ester for 1h;
Stage #3: With N-butylamine In ethyl acetate for 48h;
benzaldehyde
100-52-7

benzaldehyde

acetylacetone
123-54-6

acetylacetone

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With boron trioxide
vanillin
121-33-5

vanillin

acetylacetone-boric oxide complex

acetylacetone-boric oxide complex

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With tri-sec-butylborate; N-butylamine In ethyl acetate
4-hydroxy-3-(hydroxymethyl)benzaldehyde
54030-32-9

4-hydroxy-3-(hydroxymethyl)benzaldehyde

acetylacetone
123-54-6

acetylacetone

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
Stage #1: 4-hydroxy-3-(hydroxymethyl)benzaldehyde; acetylacetone With boron trioxide; 1,2,3,4-tetrahydroisoquinoline In acetic acid at 110℃; for 24h;
Stage #2: In water; acetic acid at 20℃; for 24h;
S-(hydrogen malonyl)coenzyme A
524-14-1

S-(hydrogen malonyl)coenzyme A

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With fusion protein of diketide-CoA synthase and curcumin synthase In aq. phosphate buffer at 37℃; for 8h; pH=7.5; Enzymatic reaction;
S-(hydrogen malonyl)coenzyme A
524-14-1

S-(hydrogen malonyl)coenzyme A

A

(E)-4-(4-hydroxy-3-methoxyphenyl)but-3-ene-2-one
1080-12-2, 22214-42-2

(E)-4-(4-hydroxy-3-methoxyphenyl)but-3-ene-2-one

B

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With curcumin synthase; diketide-CoA synthase In aq. phosphate buffer at 37℃; for 8h; pH=7.5; Enzymatic reaction;
C21H19O6(1-)

C21H19O6(1-)

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N,N-dimethyl-formamide / 12 h / 20 °C / Darkness
1.2: 5 h / 20 °C / Inert atmosphere; Darkness
2.1: dimethyl sulfoxide; water / 1 h / pH 7.2 / Irradiation
View Scheme
C21H25N2O6Pt(1+)*NO3(1-)

C21H25N2O6Pt(1+)*NO3(1-)

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
In water; dimethyl sulfoxide for 1h; pH=7.2; Irradiation;
C23H27N2O6Pt(1+)*NO3(1-)

C23H27N2O6Pt(1+)*NO3(1-)

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
In water; dimethyl sulfoxide for 1h; pH=7.2; Irradiation;
C27H33N2O6Pt(1+)*NO3(1-)

C27H33N2O6Pt(1+)*NO3(1-)

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
In water; dimethyl sulfoxide for 1h; pH=7.2; Irradiation;
rubrocurcumin

rubrocurcumin

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With water In acetone at 50℃; Kinetics;
C24H21BO10

C24H21BO10

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With water In acetone at 50℃; Kinetics;
C28H23BO9

C28H23BO9

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With water In acetone at 50℃; Kinetics;
C27H25BO13

C27H25BO13

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With water In acetone at 50℃; Kinetics;
rosacyanine

rosacyanine

curcumin
458-37-7

curcumin

Conditions
ConditionsYield
With ethanol In N,N-dimethyl acetamide Solvent;
curcumin
458-37-7

curcumin

acetic anhydride
108-24-7

acetic anhydride

1,7-bis(4-acetoxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione
297179-80-7

1,7-bis(4-acetoxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione

Conditions
ConditionsYield
With pyridine In 2-methyltetrahydrofuran for 2h; Reflux;98%
With sodium acetate
With pyridine In dichloromethane for 2h; Reflux;
curcumin
458-37-7

curcumin

acetic anhydride
108-24-7

acetic anhydride

((1E,6E)-3,5-dioxohepta-1,6-diene-1,7-diyl)bis(2-methoxy-4,1-phenylene)diacetate
19697-86-0

((1E,6E)-3,5-dioxohepta-1,6-diene-1,7-diyl)bis(2-methoxy-4,1-phenylene)diacetate

Conditions
ConditionsYield
With pyridine In dichloromethane for 2h; Reflux;98%
With sodium hydrogencarbonate; sodium carbonate; potassium hydrogencarbonate; acetyl chloride In dichloromethane; toluene; acetonitrile at 0℃; for 20h; Reagent/catalyst; Temperature; Solvent; Inert atmosphere;96%
With pyridine In dichloromethane for 1h; Reflux;95%
curcumin
458-37-7

curcumin

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

urea
57-13-6

urea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(3-nitrophenyl)-3,4-dihydropyrimidin-2(1H)-one

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(3-nitrophenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With phosphomolybdic acid In ethanol for 0.0583333h; Microwave irradiation; Green chemistry;98%
With piperidine In methanol at 60 - 65℃; for 20h;72%
curcumin
458-37-7

curcumin

thiourea
17356-08-0

thiourea

3,4-dihydroxybenzaldehyde
139-85-5

3,4-dihydroxybenzaldehyde

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(3,4-dihydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-thione

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(3,4-dihydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-thione

Conditions
ConditionsYield
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;98%
curcumin
458-37-7

curcumin

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

1,2-diamino-benzene

4,4'-((1E,1'E)-(3H-benzo[b]-[1,4]-diazepine-2,4-diyl)bis(ethene-2,1-diyl))bis-(2-methoxyphenol)

4,4'-((1E,1'E)-(3H-benzo[b]-[1,4]-diazepine-2,4-diyl)bis(ethene-2,1-diyl))bis-(2-methoxyphenol)

Conditions
ConditionsYield
With sulfuric acid In ethanol at 20℃;97.5%
curcumin
458-37-7

curcumin

benzaldehyde
100-52-7

benzaldehyde

urea
57-13-6

urea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-phenyl-3,4-dihydropyrimidin-2(1H)-one
1373886-08-8

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-phenyl-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With tin(II) chloride dihdyrate at 80℃; for 1.33333h; Neat (no solvent);97%
With chitosan (viscosity 800–2000 cps) In water; acetic acid at 60℃; for 1.33333h; Green chemistry;97%
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;97%
With piperidine In methanol at 60 - 65℃; for 16h;76%
curcumin
458-37-7

curcumin

salicylaldehyde
90-02-8

salicylaldehyde

urea
57-13-6

urea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(2-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one
1373886-13-5

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(2-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;97%
With tin(II) chloride dihdyrate at 80℃; for 1.5h; Neat (no solvent);96%
With piperidine In methanol at 60 - 65℃; for 18h;75%
curcumin
458-37-7

curcumin

thiourea
17356-08-0

thiourea

4-dimethylamino-benzaldehyde
100-10-7

4-dimethylamino-benzaldehyde

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-N,N-dimethylphenyl)-3,4-dihydropyrimidin-2(1H)-thione

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-N,N-dimethylphenyl)-3,4-dihydropyrimidin-2(1H)-thione

Conditions
ConditionsYield
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;97%
With piperidine In methanol at 60 - 65℃; for 16h;80%
curcumin
458-37-7

curcumin

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

thiourea
17356-08-0

thiourea

5-(4-hydroxy-3-methoxyphenylethylene carbonyl)-6-(4-hydroxy,3-methoxyphenylethylene)-4-(3-nitrophenyl)-3,4-dihydropyrimidin-2(1H)-thione

5-(4-hydroxy-3-methoxyphenylethylene carbonyl)-6-(4-hydroxy,3-methoxyphenylethylene)-4-(3-nitrophenyl)-3,4-dihydropyrimidin-2(1H)-thione

Conditions
ConditionsYield
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;97%
curcumin
458-37-7

curcumin

4-Chloro-1,2-phenylenediamine
95-83-0

4-Chloro-1,2-phenylenediamine

4,4'-((1E,1'E)-(7-chloro-3H-benzo[b]-[1,4]-diazepine-2,4-diyl)bis(ethene-2,1-diyl))bis-(2-methoxyphenol)

4,4'-((1E,1'E)-(7-chloro-3H-benzo[b]-[1,4]-diazepine-2,4-diyl)bis(ethene-2,1-diyl))bis-(2-methoxyphenol)

Conditions
ConditionsYield
With sulfuric acid In ethanol at 20℃;96.1%
curcumin
458-37-7

curcumin

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

thiourea
17356-08-0

thiourea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-chlorophenyl)-3,4-dihydropyrimidin-2(1H)-thione
1373886-17-9

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-chlorophenyl)-3,4-dihydropyrimidin-2(1H)-thione

Conditions
ConditionsYield
With tin(II) chloride dihdyrate at 80℃; for 1.33333h; Neat (no solvent);96%
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;96%
curcumin
458-37-7

curcumin

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

urea
57-13-6

urea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-chlorophenyl)-3,4-dihydropyrimidin-2(1H)-one
1373886-09-9

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-chlorophenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;96%
With chitosan (viscosity 800–2000 cps) In water; acetic acid at 60℃; for 1.5h; Green chemistry;95%
With tin(II) chloride dihdyrate at 80℃; for 1.33333h; Neat (no solvent);94%
curcumin
458-37-7

curcumin

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

urea
57-13-6

urea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-nitrophenyl)-3,4-dihydropyrimidin-2(1H)-one
1373886-10-2

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-nitrophenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With tin(II) chloride dihdyrate at 80℃; for 1.5h; Neat (no solvent);96%
With chitosan (viscosity 800–2000 cps) In water; acetic acid at 60℃; for 1.33333h; Green chemistry;95%
curcumin
458-37-7

curcumin

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

urea
57-13-6

urea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one
1373886-14-6

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With chitosan (viscosity 800–2000 cps) In water; acetic acid at 60℃; for 1.33333h; Green chemistry;96%
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;96%
With tin(II) chloride dihdyrate at 80℃; for 1.5h; Neat (no solvent);95%
With piperidine In methanol at 60 - 65℃; for 18h;62%
curcumin
458-37-7

curcumin

vanillin
121-33-5

vanillin

thiourea
17356-08-0

thiourea

C30H28N2O7S
1373886-20-4

C30H28N2O7S

Conditions
ConditionsYield
With chitosan (viscosity 800–2000 cps) In water; acetic acid at 60℃; for 1.33333h; Green chemistry;96%
With tin(II) chloride dihdyrate at 80℃; for 1.5h; Neat (no solvent);93%
curcumin
458-37-7

curcumin

meta-hydroxybenzaldehyde
100-83-4

meta-hydroxybenzaldehyde

thiourea
17356-08-0

thiourea

C29H26N2O6S

C29H26N2O6S

Conditions
ConditionsYield
With D-(+)-glucosamine hydrochloride In neat (no solvent) Microwave irradiation;96%
curcumin
458-37-7

curcumin

allyl bromide
106-95-6

allyl bromide

(1E,6E)-4,4-diallyl-1,7-bis(4-(allyloxy)-3-methoxyphenyl)hepta-1,6-diene-3,5-dione

(1E,6E)-4,4-diallyl-1,7-bis(4-(allyloxy)-3-methoxyphenyl)hepta-1,6-diene-3,5-dione

Conditions
ConditionsYield
With [benzene-1,3,5-triyltris(methylene)]tris(triphenylphosphonium) tribromide; sodium hydroxide In dichloromethane; water at 30℃; for 12h;96%
curcumin
458-37-7

curcumin

urea
57-13-6

urea

3,4-dihydroxybenzaldehyde
139-85-5

3,4-dihydroxybenzaldehyde

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(3,4-dihydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(3,4-dihydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;96%
4,5-Dichloro-1,2-phenylenediamine
5348-42-5

4,5-Dichloro-1,2-phenylenediamine

curcumin
458-37-7

curcumin

4,4'-((1E,1'E)-(7,8-dichloro-3H-benzo[b]-[1,4]-diazepine-2,4-diyl)bis(ethene-2,1-diyl))bis-(2-methoxyphenol)

4,4'-((1E,1'E)-(7,8-dichloro-3H-benzo[b]-[1,4]-diazepine-2,4-diyl)bis(ethene-2,1-diyl))bis-(2-methoxyphenol)

Conditions
ConditionsYield
With sulfuric acid In ethanol at 20℃;95.3%
curcumin
458-37-7

curcumin

(2-bromo-2-nitroethenyl)benzene
7166-19-0, 18315-81-6, 39674-40-3

(2-bromo-2-nitroethenyl)benzene

(2E)-1-(2-(3-hydroxy-4-methoxystyryl)-4,5-dihydro-5-nitro-4-phenylfuran-3-yl)-3-(3-hydroxy-4-methoxyphenyl)prop-2-en-1-one

(2E)-1-(2-(3-hydroxy-4-methoxystyryl)-4,5-dihydro-5-nitro-4-phenylfuran-3-yl)-3-(3-hydroxy-4-methoxyphenyl)prop-2-en-1-one

Conditions
ConditionsYield
With water; potassium carbonate In tetrahydrofuran at 20℃; for 2h; Feist-Benary reaction; Combinatorial reaction / High throughput screening (HTS); diastereoselective reaction;95%
ethyl 3-(chloroformyl)propionate
14794-31-1

ethyl 3-(chloroformyl)propionate

curcumin
458-37-7

curcumin

4,4'-((1E,6E)-3,5-dioxohepta-1,6-diene-1,7-diyl)bis(2-methoxy-1,4-phenylene) diethyl disuccinate

4,4'-((1E,6E)-3,5-dioxohepta-1,6-diene-1,7-diyl)bis(2-methoxy-1,4-phenylene) diethyl disuccinate

Conditions
ConditionsYield
With dmap In dichloromethane at 20℃; for 2h; Inert atmosphere;95%
curcumin
458-37-7

curcumin

benzaldehyde
100-52-7

benzaldehyde

thiourea
17356-08-0

thiourea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-phenyl-3,4-dihydropyrimidin-2(1H)-thione
1373886-16-8

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-phenyl-3,4-dihydropyrimidin-2(1H)-thione

Conditions
ConditionsYield
With tin(II) chloride dihdyrate at 80℃; for 1.33333h; Neat (no solvent);95%
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;95%
With chitosan (viscosity 800–2000 cps) In water; acetic acid at 60℃; for 1.33333h; Green chemistry;94%
With piperidine In methanol at 60 - 65℃; for 16h;76%
curcumin
458-37-7

curcumin

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

thiourea
17356-08-0

thiourea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-thione
1373886-21-5

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-thione

Conditions
ConditionsYield
With phosphomolybdic acid In ethanol for 0.0416667h; Microwave irradiation; Green chemistry;95%
With tin(II) chloride dihdyrate at 80℃; for 1.5h; Neat (no solvent);93%
curcumin
458-37-7

curcumin

salicylaldehyde
90-02-8

salicylaldehyde

thiourea
17356-08-0

thiourea

C29H26N2O6S

C29H26N2O6S

Conditions
ConditionsYield
With D-(+)-glucosamine hydrochloride In neat (no solvent) Microwave irradiation;95%
curcumin
458-37-7

curcumin

urea
57-13-6

urea

2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

C29H26N2O8

C29H26N2O8

Conditions
ConditionsYield
With D-(+)-glucosamine hydrochloride In neat (no solvent) Microwave irradiation;95%
curcumin
458-37-7

curcumin

4-cyanobenzyl bromide
17201-43-3

4-cyanobenzyl bromide

C53H40N4O6

C53H40N4O6

Conditions
ConditionsYield
With [benzene-1,3,5-triyltris(methylene)]tris(triphenylphosphonium) tribromide; sodium hydroxide In dichloromethane; water at 30℃; for 12h;95%
curcumin
458-37-7

curcumin

4-bromobenzylidenemalononitrile
2826-24-6

4-bromobenzylidenemalononitrile

C30H25BrN2O6

C30H25BrN2O6

Conditions
ConditionsYield
With piperidine; dmap In ethanol for 12h; Reflux;95%
curcumin
458-37-7

curcumin

boron trifluoride diethyl etherate
109-63-7

boron trifluoride diethyl etherate

2,2-difluoro-4,6-bis[β-(4-hydroxy-3-methoxystyryl)]-1,3,2-dioxaborine

2,2-difluoro-4,6-bis[β-(4-hydroxy-3-methoxystyryl)]-1,3,2-dioxaborine

Conditions
ConditionsYield
In dichloromethane at 20℃;95%
In tetrahydrofuran Reflux; Inert atmosphere;79%
In dichloromethane for 2h; Inert atmosphere; Reflux;510 mg
With acetic acid at 20℃; for 0.5h; Darkness;
In acetic acid at 20℃; for 0.5h; Sonication; Darkness;
curcumin
458-37-7

curcumin

acetic acid
64-19-7

acetic acid

((1E,6E)-3,5-dioxohepta-1,6-diene-1,7-diyl)bis(2-methoxy-4,1-phenylene)diacetate
19697-86-0

((1E,6E)-3,5-dioxohepta-1,6-diene-1,7-diyl)bis(2-methoxy-4,1-phenylene)diacetate

Conditions
ConditionsYield
With pyridine In dichloromethane at 155℃; for 1h;95%
curcumin
458-37-7

curcumin

4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

urea
57-13-6

urea

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-methylphenyl)-3,4-dihydropyrimidin-2(1H)-one
1373886-15-7

5-(4-hydroxy-3-methoxyphenylethylenecarbonyl)-6-(4-hydroxy-3-methoxyphenylethylene)-4-(4-methylphenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With chitosan (viscosity 800–2000 cps) In water; acetic acid at 60℃; for 1.5h; Green chemistry;94%
With tin(II) chloride dihdyrate at 80℃; for 1.5h; Neat (no solvent);92%
With piperidine In methanol at 60 - 65℃; for 16h;81%
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