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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 services. DayangChem can provide different quantities of custom synthesis ch

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical 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 research and developm

brusatol IN STOCK cas 14907-98-3

Cas:14907-98-3

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

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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

Natural Extract 98% brusatol 14907-98-3 HACCP Manufacturer

Cas:14907-98-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( such as diabtes series, Anti

14907-98-3

Cas:14907-98-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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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

brusatol

Cas:14907-98-3

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

Manufacturer supply CAS 14907-98-3 with best quality

Cas:14907-98-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

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

Qingdao Beluga Import and Export Co., LTD

brusatol CAS:14907-98-3 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 intermediates, s

brusatol CAS:14907-98-3

Cas:14907-98-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

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

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

Henan Wentao Chemical Product Co., Ltd.

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 etc. 3) oem/odm available; 4) rea

brusatolCAS NO.: 14907-98-3

Cas:14907-98-3

Min.Order:1 Kilogram

FOB Price: $4.0

Type:Lab/Research institutions

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Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Best Offerbrusatol

Cas:14907-98-3

Min.Order:0

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EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

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

Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis:

Brusatol

Cas:14907-98-3

Min.Order:0

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Type:Lab/Research institutions

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shanghai Tauto Biotech Co., Ltd

The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your analysis me

Brusatol

Cas:14907-98-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

brusatol

Cas:14907-98-3

Min.Order:1 Kilogram

Negotiable

Type:Other

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Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Hebei Mojin Biotechnology Co.,Ltd

1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

brusatol CAS 14907-98-3

Cas:14907-98-3

Min.Order:0

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Type:Other

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Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) 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 . Application:Herbal extr

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec Brusatol B16700 20mg

Cas:14907-98-3

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

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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

BRUSATOL

Cas:14907-98-3

Min.Order:0

Negotiable

Type:Manufacturers

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Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE:1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day2. The products are provided with COA, HPLC, NMR, quality assurance, pac

brusatol

Cas:14907-98-3

Min.Order:0

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Type:Manufacturers

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Xi`an Eastling Biotech Co., Ltd.

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

brusatol

Cas:14907-98-3

Min.Order:0

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Synthetic route

methanol
67-56-1

methanol

bruceoside D

bruceoside D

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid for 20h; methanolysis; Heating;48.8%
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

3-(tert-butyldimethylsilyl)-brusatol
92116-31-9

3-(tert-butyldimethylsilyl)-brusatol

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 24h;91%
With 1H-imidazole; dmap In N,N-dimethyl-formamide at 45℃; for 3h;89.6%
With 1H-imidazole; dmap In N,N-dimethyl-formamide at 20℃;
N,N-phenylbistrifluoromethane-sulfonimide
37595-74-7

N,N-phenylbistrifluoromethane-sulfonimide

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C27H31F3O13S

C27H31F3O13S

Conditions
ConditionsYield
With dmap; triethylamine In 1,4-dioxane at 20℃; for 0.5h;75%
C20H18N2O7

C20H18N2O7

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C46H48N2O17

C46H48N2O17

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;70%
4-(4-((3-carboxypropanoyl)oxy)n-butoxy)-3-benzenesulfonyl-1,2,5-oxadiazole-2-oxide
1186196-64-4

4-(4-((3-carboxypropanoyl)oxy)n-butoxy)-3-benzenesulfonyl-1,2,5-oxadiazole-2-oxide

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C42H48N2O19S

C42H48N2O19S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;65.5%
4-((5-((3-carboxypropanoyl)oxy)pentyl)oxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole-2-oxide
1446816-83-6

4-((5-((3-carboxypropanoyl)oxy)pentyl)oxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole-2-oxide

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C43H50N2O19S

C43H50N2O19S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;56.5%
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

dehydrobrusatol
99132-98-6

dehydrobrusatol

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,4-dioxane at 20℃; for 1h;55%
C16H13BrN2O3

C16H13BrN2O3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C42H44N2O14

C42H44N2O14

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 50℃; for 5h; Inert atmosphere;54.2%
With potassium carbonate In acetonitrile at 80℃; for 20h;54.2%
C20H18N2O7

C20H18N2O7

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C46H48N2O17

C46H48N2O17

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;51%
4-(4-((3-carboxypropanoyl)oxy)sec-butoxy)-3-benzenesulfonyl-1,2,5-oxadiazole-2-oxide

4-(4-((3-carboxypropanoyl)oxy)sec-butoxy)-3-benzenesulfonyl-1,2,5-oxadiazole-2-oxide

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C42H48N2O19S

C42H48N2O19S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;50%
C19H16N2O9S

C19H16N2O9S

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C45H46N2O19S

C45H46N2O19S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;47.4%
4-(2-(2-((3-carboxypropanoyl)oxy)ethoxy)ethoxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole-2-oxide
1186196-66-6

4-(2-(2-((3-carboxypropanoyl)oxy)ethoxy)ethoxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole-2-oxide

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C42H48N2O20S

C42H48N2O20S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;47.2%
C19H16N2O9S

C19H16N2O9S

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C45H46N2O19S

C45H46N2O19S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;46.2%
4-((4-((3-carboxypropanoyl)oxy)but-2-yn-1-yl)oxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole-2-oxide
1236876-86-0

4-((4-((3-carboxypropanoyl)oxy)but-2-yn-1-yl)oxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole-2-oxide

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C42H44N2O19S

C42H44N2O19S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;45%
C13H12N2O6
1314187-65-9

C13H12N2O6

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C39H42N2O16

C39H42N2O16

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;41.8%
methyl p-toluene sulfonate
80-48-8

methyl p-toluene sulfonate

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

3-O-methylbrusatol

3-O-methylbrusatol

Conditions
ConditionsYield
With potassium carbonate In acetone at 50℃; for 168h;37%
ethyl 3-(chloroformyl)propionate
14794-31-1

ethyl 3-(chloroformyl)propionate

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

brusatol-3-yl ethyl succinate
81681-67-6

brusatol-3-yl ethyl succinate

Conditions
ConditionsYield
With pyridine In chloroform at 24℃; for 17h; Acylation;32%
4-(4-((3-carboxypropanoyl)oxy)n-propoxy)-3-benzenesulfonyl-1,2,5-oxadiazole-2-oxide
1393477-75-2

4-(4-((3-carboxypropanoyl)oxy)n-propoxy)-3-benzenesulfonyl-1,2,5-oxadiazole-2-oxide

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C41H46N2O19S

C41H46N2O19S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;32%
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 51h; Cooling with ice;32%
C20H18N2O7

C20H18N2O7

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C46H48N2O17

C46H48N2O17

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;30.7%
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 51h; Cooling with ice;30.7%
C17H12N2O6

C17H12N2O6

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C43H42N2O16

C43H42N2O16

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;30.5%
C20H18N2O9S
1393477-81-0

C20H18N2O9S

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C46H48N2O19S

C46H48N2O19S

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; Heating;25%
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C26H30O10
888483-24-7

C26H30O10

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 55 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane / 1 h / 20 °C
2: 90 percent / triethylamine; 4-(dimethylamino)pyridine / dioxane / 1 h / 20 °C
3: 87 percent / triethylamine; formic acid / palladium(II) acetate; 1,1'-bis(diphynylphosphino)ferrocene / dimethylformamide / 1 h / 50 °C
View Scheme
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C26H32O10

C26H32O10

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / triethylamine; 4-(dimethylamino)pyridine / dioxane / 0.5 h / 20 °C
2: 68 percent / triethylamine; formic acid / palladium(II) acetate; 1,1'-bis(diphenylphosphino)ferrocene / dimethylformamide / 2 h / 45 °C
View Scheme
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C26H32O10

C26H32O10

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 55 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane / 1 h / 20 °C
2: 90 percent / triethylamine; 4-(dimethylamino)pyridine / dioxane / 1 h / 20 °C
3: 87 percent / triethylamine; formic acid / palladium(II) acetate; 1,1'-bis(diphynylphosphino)ferrocene / dimethylformamide / 1 h / 50 °C
4: 62 percent / hydrogen / tris(triphenylphosphine)rhodium(I) chloride / benzene / 30 h / 45 °C
View Scheme
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C26H30O11

C26H30O11

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 91 percent / imidazole / dimethylformamide / 24 h / 20 °C
2: 77 percent / chromium(VI) oxide; sulfuric acid / acetone; H2O / 1 h / 20 °C
3: 46 percent / tetrabutylammonium fluoride / tetrahydrofuran / 0.25 h / 20 °C
View Scheme
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C27H34O11

C27H34O11

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 91 percent / imidazole / dimethylformamide / 24 h / 20 °C
2: 72 percent / lithium iodide; pyridine / 24 h / 100 °C
3: 90 percent / potassium carbonate / acetone / 6 h / 50 °C
4: 76 percent / tetrabutylammonium fluoride / tetrahydrofuran / 0.25 h / 20 °C
View Scheme
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C32H43ClO9Si

C32H43ClO9Si

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 91 percent / imidazole / dimethylformamide / 24 h / 20 °C
2: 25 percent / thionyl chloride; pyridine / CHCl3 / 0 - 60 °C
View Scheme
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C32H43ClO9Si

C32H43ClO9Si

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 91 percent / imidazole / dimethylformamide / 24 h / 20 °C
2: 54 percent / thionyl chloride; pyridine / CHCl3 / 0 - 60 °C
View Scheme
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C28H36O11

C28H36O11

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 91 percent / imidazole / dimethylformamide / 24 h / 20 °C
2: 72 percent / lithium iodide; pyridine / 24 h / 100 °C
3: 91 percent / potassium carbonate / acetone / 16 h / 50 °C
4: 79 percent / tetrabutylammonium fluoride / tetrahydrofuran / 0.25 h / 20 °C
View Scheme
13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester
14907-98-3

13,20-epoxy-3,11β,12α-trihydroxy-15β-[(3-methyl-1-oxo-2-butenyl)oxy]-2,16-dioxopicras-3-en-21-oic acid methyl ester

C29H38O11

C29H38O11

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 91 percent / imidazole / dimethylformamide / 24 h / 20 °C
2: 72 percent / lithium iodide; pyridine / 24 h / 100 °C
3: 92 percent / potassium carbonate / acetone / 16 h / 50 °C
4: 73 percent / tetrabutylammonium fluoride / tetrahydrofuran / 0.25 h / 20 °C
View Scheme

Raw Materials

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