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Nanjing Spring & Autumn Biological Engineering Co., Ltd.

Nanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed very experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw ma

Betulinic Acid

Cas:472-15-1

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Greenutra Resource Inc

Product name: Birch Bark Extract Betulin 70%-98%;Betulinic acid 50%-98% Betulinic acid 50%, 90%, 98% CAS: 472-15-1 Molecular formula: C30H48O3 Molar mass: 456.71 Quality data Identifica

Birch Bark Extract/Betula alba Extract

Cas:472-15-1

Min.Order:1 Kilogram

FOB Price: $15.0

Type:Trading Company

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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

Betulinic acid

Cas:472-15-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

Analysis tests Standard Results Appearance White or white powder white powder Spectrum detection

High purity Various Specifications betulinic acid CAS:472-15-1

Cas:472-15-1

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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Kono Chem Co.,Ltd

CASNumber: 472-15-1 Name: Betulinicacid MolecularStructure: 230)this.width=230;" onerror="javascrip…Appearance:powder Storage:sealed bag Package:bags Application:in pharma or food supplements Transpo

Betulinic acid

Cas:472-15-1

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Xi'an Quanao Biotech Co., Ltd.

Company profile Xi’an Quanao Biotech Co., Ltd. with 10 years experience in plant extract filed. Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medic

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

High Content Natural Extract Betulinic acid HACCP manufacturer

Cas:472-15-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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 Betulinic acid

Cas:472-15-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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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

Betulinic acid

Cas:472-15-1

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

Betulinic acid

Cas:472-15-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial since 1987. 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 can

High quality 98% up Natural Birch Bark Extract Betula Alba Bark Extract Betulinic Acid

Cas:472-15-1

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: Betulinic acid Synonyms: 3BETA-HYDROXY-20(29)-LUPENE-28-OIC ACID;3BETA-HYDROXY-20(29)-LUPAENE-28-OIC ACID;3B-HYDROXY-20(29)-LUPENE-28-OIC ACID;3-B-HYDROXY-LUPA-20(30)-ENE 28-OIC ACID;BETULINIC

Betulinic acid

Cas:472-15-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Betulinic acid 472-15-1

Cas:472-15-1

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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

Manufacturer supply CAS 472-15-1 with best quality

Cas:472-15-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name Betulinic acid CAS No 472-15-1 MF C30H48O3 Purity 99% Appearance white powder Appearance: White powder Storage:Store in c

Betulinic acid CAS: 472-15-1

Cas:472-15-1

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White powder Storage:Room temperature Package:1kg/bag Application:Anticancer and HIV therapy, antioxidant damage and immune modulation Transportation:Express/Sea/Air Port:Any port in china

High Purity Betulinic Acid Birch bark extract Betula alba Extract

Cas:472-15-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Betulinic acid 472-15-1

Cas:472-15-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Supply Natural Birch Bark Extract 98% Betulinic Acid raw Powder buy Betulinic acid

Cas:472-15-1

Min.Order:10 Gram

FOB Price: $0.6

Type:Trading Company

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At pres

White Birch Bark Extract/Antioxidant Betulinic Acid CAS:472-15-1

Cas:472-15-1

Min.Order:1 Kilogram

FOB Price: $386.0 / 395.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Betulinic acid CAS:472-15-1 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 intermediate

Betulinic acid CAS:472-15-1

Cas:472-15-1

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

Betulinic acid

Cas:472-15-1

Min.Order:1 Kilogram

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

Betulinic acid

Cas:472-15-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

Betulinic acid Basic information Product Name: Betulinic acid Synonyms: Betulinic acid technical grade, 90%;3BETA-HYDROXY-20(29)-LUPENE-28-OIC A

China Biggest Factory & Manufacturer supply Betulinic Acid 50MT/Year

Cas:472-15-1

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Chengdu Biopurify Phytochemicals Ltd.

Chengdu Biopurify Phytochemicals 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 Medic

Betulinic acid

Cas:472-15-1

Min.Order:0 Metric Ton

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

Bacopaside II CAS NO.382146-66-9Betulinic acid CAS NO.472-15-1 CAS NO.472-15-1

Cas:472-15-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Dawn Ray Pharmaceutical Co.,Ltd

≥98.0% USP standard Appearance:White or off white fine powder Storage:Room temperature Package:as required Application:used in medicine Transportation:by sea by air express Port:China main port

Betulinic acid USP ≥98.0% supplier API Plant extract Pharmaceutical made in china

Cas:472-15-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

BETULINIC ACID

Cas:472-15-1

Min.Order:1 Gram

Negotiable

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

Betulinic acid

Cas:472-15-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

Betulinic acid

Cas:472-15-1

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd

Betulinic acid

Cas:472-15-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

betulonic acid
4481-62-3

betulonic acid

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
Stage #1: betulonic acid With aluminum isopropoxide; benzyl alcohol In tetrahydrofuran at 65℃; for 2h;
Stage #2: With sodium hydroxide In water; xylene at 130℃; for 1h;
Stage #3: With acetic acid In water Conversion of starting material;
96.3%
Stage #1: betulonic acid With aluminum isopropoxide; benzyl alcohol In tetrahydrofuran at 65℃; for 2h; Heating / reflux;
Stage #2: With sodium hydroxide; water In xylenes at 130℃; for 1h;
Stage #3: With acetic acid In water
96.3%
With sodium tetrahydroborate; isopropyl alcohol; sodium hydroxide In water for 3h;94%
betulone
7020-34-0

betulone

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With sodium tetrahydroborate In tetrahydrofuran Acidic conditions;94%
3-O-acetylbetulinic acid
10376-50-8, 38736-81-1

3-O-acetylbetulinic acid

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With potassium hydroxide In methanol for 3h; Heating;89%
With potassium carbonate In methanol for 24h;88%
With potassium hydroxide
With potassium hydroxide In methanol
betulin
473-98-3

betulin

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
Stage #1: betulin With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene In acetic acid butyl ester; water; tert-butyl alcohol at 20℃; for 6h;
Stage #2: With sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene In acetic acid butyl ester; water; tert-butyl alcohol Solvent; Concentration; Reagent/catalyst;
89%
With 4-acetylamino-2,2,6,6-tetramethylpiperidine-N-oxyl; sodium chlorite; tetrabutylammomium bromide; sodium hypochlorite In phosphate buffer at 50℃;86%
With 4-acetylamino-2,2,6,6-tetramethylpiperidine-N-oxyl; tetrabutylammomium bromide; sodium hypochlorite In phosphate buffer at 50℃; pH=7.6;72%
betulinic aldehyde
13159-28-9, 92594-07-5

betulinic aldehyde

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With sodium dihydrogenphosphate; sodium permanganate In dichloromethane; water; tert-butyl alcohol at 25℃; for 3h;85%
With sodium chlorite; sodium dihydrogenphosphate; 2-Methyl-1-butene; tert-butyl alcohol In toluene at 21℃; for 22h; Reagent/catalyst; Solvent; Temperature; Time;76%
With potassium permanganate In acetone at 0 - 20℃;
With sodium chlorite; sodium dihydrogenphosphate In dichloromethane; tert-butyl alcohol
betulonic acid
4481-62-3

betulonic acid

A

Betulinic acid
472-15-1

Betulinic acid

B

3-epibetulinic acid
38736-77-5

3-epibetulinic acid

Conditions
ConditionsYield
With sodium tetrahydroborate In tetrahydrofuran Yields of byproduct given;A 75%
B n/a
Stage #1: betulonic acid With L-Selectride In tetrahydrofuran at -80℃; for 5h;
Stage #2: With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran for 1h;
A 19%
B 38%
With sodium tetrahydroborate In tetrahydrofuran Yield given. Yields of byproduct given. Title compound not separated from byproducts;
betulin
473-98-3

betulin

A

betulonic aldehyde
4439-98-9

betulonic aldehyde

B

Betulinic acid
472-15-1

Betulinic acid

C

betulone
7020-34-0

betulone

Conditions
ConditionsYield
With synthetic air In 1,3,5-trimethyl-benzene at 140℃; under 760.051 Torr; for 6h; Catalytic behavior;A 20%
B 9%
C 27%
With CeO2/TiO2; air In 1,3,5-trimethyl-benzene at 140℃; for 6h; Overall yield = 8 %;
betulin
473-98-3

betulin

A

betulonic aldehyde
4439-98-9

betulonic aldehyde

B

betulinic aldehyde
13159-28-9, 92594-07-5

betulinic aldehyde

C

Betulinic acid
472-15-1

Betulinic acid

D

betulonic acid
4481-62-3

betulonic acid

Conditions
ConditionsYield
With dipyridinium dichromate In water; N,N-dimethyl-formamideA 20%
B 7%
C 8%
D 13%
betulin
473-98-3

betulin

A

Betulinic acid
472-15-1

Betulinic acid

B

betulone
7020-34-0

betulone

Conditions
ConditionsYield
In 1,3,5-trimethyl-benzene at 140℃; for 4h;A n/a
B 5.3%
lup-20(29)-en-28-oic-3-O-β-D-glucopyranosyl (2->1)-O-β-D-glucopyranoside
135757-66-3

lup-20(29)-en-28-oic-3-O-β-D-glucopyranosyl (2->1)-O-β-D-glucopyranoside

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With hydrogenchloride In methanol at 100℃; for 4h;
3β-trans-(3,4-dihydroxycinnamoyloxy)-20(29)-lupen-28-oic acid
80832-44-6

3β-trans-(3,4-dihydroxycinnamoyloxy)-20(29)-lupen-28-oic acid

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With potassium hydroxide In ethanol for 16h; Ambient temperature;220 mg
α-L-rhamnopyranosyl-3β-hydroxy-lup-20(29)-en-28-oic acid
75365-42-3

α-L-rhamnopyranosyl-3β-hydroxy-lup-20(29)-en-28-oic acid

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With sulfuric acid for 5h; Heating;
lup-20(29)-en-28-oic-3-O-α-L-rhamnopyranosyl-(2->1)-O-β-D-glucopyranoside

lup-20(29)-en-28-oic-3-O-α-L-rhamnopyranosyl-(2->1)-O-β-D-glucopyranoside

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With sulfuric acid In ethanol for 5h; Heating;
pavophylline

pavophylline

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With sulfuric acid In water for 6h; Heating;
28-O-β-D-glucopyranosyl 3β-hydroxy-lup-20(29)-en-28-oate
22333-85-3

28-O-β-D-glucopyranosyl 3β-hydroxy-lup-20(29)-en-28-oate

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With enzyme β-glucosidase In N,N-dimethyl-formamide at 37℃; for 72h; phosphate buffer (pH 5);
lupenone
1617-70-5

lupenone

A

Betulinic acid
472-15-1

Betulinic acid

B

3-epibetulinic acid
38736-77-5

3-epibetulinic acid

Conditions
ConditionsYield
Quantum yield; Product distribution; Further Variations:; Temperatures; Solvents;
(2'E,3S,5R,8R,9R,10R,13R,14R,17S,18R,19R)-3-O-trans-feruloyllup-20(29)-en-28-oic acid

(2'E,3S,5R,8R,9R,10R,13R,14R,17S,18R,19R)-3-O-trans-feruloyllup-20(29)-en-28-oic acid

A

(E)-3-(4-hydroxy-3-methoxyphenyl)acrylic acid
1135-24-6

(E)-3-(4-hydroxy-3-methoxyphenyl)acrylic acid

B

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With potassium hydroxide In methanol for 3h; Heating;A 1.8 mg
B 3.1 mg
18-hydroxyoctadec-9-enoic acid, sodium salt

18-hydroxyoctadec-9-enoic acid, sodium salt

9,10-epoxy-18-hydroxyoctadecanoic acid, sodium salt

9,10-epoxy-18-hydroxyoctadecanoic acid, sodium salt

threo-9,10,18-trihydroxyoctadecanoic acid, sodium salt

threo-9,10,18-trihydroxyoctadecanoic acid, sodium salt

22-hydroxydocosanoic acid, sodium salt

22-hydroxydocosanoic acid, sodium salt

sodium betulinate

sodium betulinate

A

18-hydroxyoctadec-9-enoic acid
3329-38-2

18-hydroxyoctadec-9-enoic acid

B

9,10-epoxy-18-hydroxyoctadecanoic acid
3233-92-9

9,10-epoxy-18-hydroxyoctadecanoic acid

C

threo-9,10,18-trihydroxyoctadecanoic acid

threo-9,10,18-trihydroxyoctadecanoic acid

D

22-hydroxydocosanoic acid
506-45-6

22-hydroxydocosanoic acid

E

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With hydrogenchloride In water
18-hydroxyoctadec-9-enoic acid, potassium salt

18-hydroxyoctadec-9-enoic acid, potassium salt

9,10-epoxy-18-hydroxyoctadecanoic acid, potassium salt

9,10-epoxy-18-hydroxyoctadecanoic acid, potassium salt

threo-9,10,18-trihydroxyoctadecanoic acid, potassium salt

threo-9,10,18-trihydroxyoctadecanoic acid, potassium salt

22-hydroxydocosanoic acid, potassium salt

22-hydroxydocosanoic acid, potassium salt

potassium betulinate

potassium betulinate

A

18-hydroxyoctadec-9-enoic acid
3329-38-2

18-hydroxyoctadec-9-enoic acid

B

9,10-epoxy-18-hydroxyoctadecanoic acid
3233-92-9

9,10-epoxy-18-hydroxyoctadecanoic acid

C

threo-9,10,18-trihydroxyoctadecanoic acid

threo-9,10,18-trihydroxyoctadecanoic acid

D

22-hydroxydocosanoic acid
506-45-6

22-hydroxydocosanoic acid

E

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With hydrogenchloride In water
betulin monoacetate
27570-20-3

betulin monoacetate

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: tert-butyl chromate
2: KOH / methanol
View Scheme
Multi-step reaction with 2 steps
1: chromium (VI)-oxide; water containing acetic acid
2: ethanolic KOH-solution
View Scheme
Multi-step reaction with 2 steps
1: chromium (VI)-oxide; water containing acetic acid
2: ethanolic KOH-solution
View Scheme
betulin monoacetate
27570-20-3

betulin monoacetate

CrO3

CrO3

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 80 percent / CrO3, H2SO4 / acetone / 1.5 h / 0 °C
2: 88 percent / aq. K2CO3 / methanol / 24 h
View Scheme
3-hydroxy-28-[(tetrahydro-2H-pyran-2-yl)oxy]lup-20(29)-ene
189571-52-6

3-hydroxy-28-[(tetrahydro-2H-pyran-2-yl)oxy]lup-20(29)-ene

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 87 percent / pyridine / 36 h / Ambient temperature
2: 95 percent / pyridinium p-toluene sulfonic acid salt / methanol / 36 h / Ambient temperature
3: 80 percent / CrO3, H2SO4 / acetone / 1.5 h / 0 °C
4: 88 percent / aq. K2CO3 / methanol / 24 h
View Scheme
3-O-acetyl-28-O-tetrahydropyranylbetulin
189571-53-7

3-O-acetyl-28-O-tetrahydropyranylbetulin

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 95 percent / pyridinium p-toluene sulfonic acid salt / methanol / 36 h / Ambient temperature
2: 80 percent / CrO3, H2SO4 / acetone / 1.5 h / 0 °C
3: 88 percent / aq. K2CO3 / methanol / 24 h
View Scheme
betulin diacetate
1721-69-3

betulin diacetate

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: benzene; KOH; ethanol
2: chromium (VI)-oxide; water containing acetic acid
3: ethanolic KOH-solution
View Scheme
Multi-step reaction with 3 steps
1: benzene; KOH; ethanol
2: chromium (VI)-oxide; water containing acetic acid
3: ethanolic KOH-solution
View Scheme
28-O-β-glucuronide betulinic acid
1125546-06-6

28-O-β-glucuronide betulinic acid

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With Escherichia coli β-D-glucuronidase at 37℃; for 1h;
betulin
473-98-3

betulin

A

betulinic aldehyde
13159-28-9, 92594-07-5

betulinic aldehyde

B

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene In dichloromethane at 20℃; for 70h;A n/a
B 235 mg
betulonic aldehyde
4439-98-9

betulonic aldehyde

betulinic aldehyde
13159-28-9, 92594-07-5

betulinic aldehyde

A

Betulinic acid
472-15-1

Betulinic acid

B

betulonic acid
4481-62-3

betulonic acid

Conditions
ConditionsYield
Stage #1: betulonic aldehyde; betulinic aldehyde With sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene In water; tert-butyl alcohol at 20℃; for 18.5h; Inert atmosphere;
Stage #2: With sodium hydroxide In water; tert-butyl alcohol at 20℃; for 1.5h;
Stage #3: With hydrogenchloride In water for 2.5h; Overall yield = 17.8 g;
betulonic aldehyde
4439-98-9

betulonic aldehyde

Betulinic acid
472-15-1

Betulinic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene / water; tert-butyl alcohol / 15.5 h / 20 °C / Inert atmosphere
1.2: 1.5 h / 20 °C
1.3: 2.5 h
2.1: sodium hydroxide; sodium tetrahydroborate / water; isopropyl alcohol / 3 h / Cooling with ice
View Scheme
Multi-step reaction with 2 steps
1.1: sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene / tert-butyl alcohol; water / 0.25 h
1.2: 1 h / Reflux
2.1: sodium tetrahydroborate / tetrahydrofuran
View Scheme
Multi-step reaction with 2 steps
1: sodium chlorite; dihydrogen peroxide; sodium dihydrogenphosphate / tert-butyl alcohol; water / 0.25 h / 0 - 10 °C
2: diisobutylaluminium hydride / dichloromethane; toluene / 1 h / 0 °C
View Scheme
Betulinic acid
472-15-1

Betulinic acid

diazomethyl-trimethyl-silane
18107-18-1

diazomethyl-trimethyl-silane

methyl betulinate
2259-06-5, 25493-95-2

methyl betulinate

Conditions
ConditionsYield
In methanol; benzene100%
In methanol; toluene at 20℃; for 3h; Inert atmosphere;97%
In methanol at 20℃; for 2h;96%
Betulinic acid
472-15-1

Betulinic acid

allyl bromide
106-95-6

allyl bromide

allyl betulinate
475562-57-3

allyl betulinate

Conditions
ConditionsYield
With potassium carbonate In acetone for 3h; Heating / reflux;100%
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 7h;85%
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 7h;84%
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 7h;84%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 4h;
4-methoxycarbonyl-3,3-dimethylbutyryl chloride
61798-18-3

4-methoxycarbonyl-3,3-dimethylbutyryl chloride

Betulinic acid
472-15-1

Betulinic acid

3-O-(5'-methoxy-3',3'-dimethylglutaryl)betulinic acid

3-O-(5'-methoxy-3',3'-dimethylglutaryl)betulinic acid

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃;100%
Betulinic acid
472-15-1

Betulinic acid

(3β)-3-hydroxylup-20(29)-en-28-amide

(3β)-3-hydroxylup-20(29)-en-28-amide

Conditions
ConditionsYield
Stage #1: Betulinic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 2h;
Stage #2: With ammonia In water; N,N-dimethyl-formamide at 20℃; for 16h;
100%
Multi-step reaction with 3 steps
1.1: triethylamine; dmap; pyridine / 12 h / 25 °C
2.1: oxalyl dichloride / dichloromethane / 2 h / 25 °C / Cooling with ice
2.2: 1 h / 25 °C
3.1: potassium hydroxide / methanol; tetrahydrofuran / 24 h / 25 °C
View Scheme
Betulinic acid
472-15-1

Betulinic acid

benzyl bromide
100-39-0

benzyl bromide

benzyl (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylate
192211-42-0

benzyl (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 3.5h; Inert atmosphere;99%
With potassium carbonate In acetone at 20℃; for 24h;99%
With potassium carbonate; caesium carbonate In acetone for 10h; Heating;98%
Betulinic acid
472-15-1

Betulinic acid

3-aminolup-20(29)-en-28-oic acid
212773-15-4

3-aminolup-20(29)-en-28-oic acid

Conditions
ConditionsYield
With ammonium acetate; sodium cyanoborohydride In methanol for 40h;99%
Stage #1: Betulinic acid With ammonium acetate; sodium cyanoborohydride In methanol for 40h;
Stage #2: With hydrogenchloride In methanol; water pH=2;
Stage #3: With potassium hydroxide In water pH=10;
99%
Multi-step reaction with 2 steps
1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dimethyl sulfoxide / 6 h / 20 °C
2: ammonium acetate; sodium cyanoborohydride / methanol / 12 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dimethyl sulfoxide; tetrahydrofuran / 6 h / 20 °C
2: ammonium acetate; sodium cyanoborohydride / methanol / 12 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: Jones reagent / acetone / 25 °C
2: ammonium acetate; sodium cyanoborohydride / methanol / 12 h / 25 °C
View Scheme
Betulinic acid
472-15-1

Betulinic acid

methyl betulinate
2259-06-5, 25493-95-2

methyl betulinate

Conditions
ConditionsYield
Stage #1: diazomethane; Betulinic acid In diethyl ether at 0 - 5℃;
Stage #2: With acetic acid
98%
In diethyl ether at 0 - 5℃; for 24h;90%
In diethyl ether; chloroform87%
Betulinic acid
472-15-1

Betulinic acid

benzenesulphonyl isocyanate
2845-62-7

benzenesulphonyl isocyanate

3-O-[N-(phenylsulfonyl)carbamoyl-17β-N-(phenylsulfonyl)amide]-betulinic acid
1187569-36-3

3-O-[N-(phenylsulfonyl)carbamoyl-17β-N-(phenylsulfonyl)amide]-betulinic acid

Conditions
ConditionsYield
With triethylamine In toluene for 1h; Reflux;98%
Betulinic acid
472-15-1

Betulinic acid

propargyl bromide
106-96-7

propargyl bromide

prop-2'-ynyl 3β-hydroxylup-20(29)-en-28-oate
1400262-27-2

prop-2'-ynyl 3β-hydroxylup-20(29)-en-28-oate

Conditions
ConditionsYield
With potassium carbonate In acetone for 14h; Reflux;98%
With potassium carbonate In acetone at 50℃;96%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 16h;95%
6-bromo-hexanoic acid ethyl ester
25542-62-5

6-bromo-hexanoic acid ethyl ester

Betulinic acid
472-15-1

Betulinic acid

C38H62O5
1400262-32-9

C38H62O5

Conditions
ConditionsYield
Stage #1: Betulinic acid With caesium carbonate In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 6-bromo-hexanoic acid ethyl ester In tetrahydrofuran; N,N-dimethyl-formamide at 20℃;
98%
Betulinic acid
472-15-1

Betulinic acid

Benzyl bromoacetate
5437-45-6

Benzyl bromoacetate

benzyloxycarbonylmethyl 3β-hydroxylup-20(29)-en-28-oate

benzyloxycarbonylmethyl 3β-hydroxylup-20(29)-en-28-oate

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 50℃;98%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane; acetonitrile at 20℃; for 72h;72%
With potassium carbonate In N,N-dimethyl-formamide at 21℃; for 14h;
Betulinic acid
472-15-1

Betulinic acid

acetic anhydride
108-24-7

acetic anhydride

3-O-acetylbetulinic acid
10376-50-8, 38736-81-1

3-O-acetylbetulinic acid

Conditions
ConditionsYield
Stage #1: Betulinic acid; acetic anhydride With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 65℃; for 2h;
Stage #2: With hydrogenchloride; water at 100℃; for 0.5h;
97%
Stage #1: Betulinic acid; acetic anhydride With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 65℃; for 2h; Inert atmosphere;
Stage #2: With hydrogenchloride; water at 100℃; for 0.5h;
97%
With pyridine at 20℃; for 72h;96.2%
Betulinic acid
472-15-1

Betulinic acid

Cinnamoyl chloride
102-92-1

Cinnamoyl chloride

(1R,3aS,5aR,5bR,7aR,9R,11aR,11bR,13aR,13bR)-9-(cinnamoyloxy)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylic acid
267219-69-2

(1R,3aS,5aR,5bR,7aR,9R,11aR,11bR,13aR,13bR)-9-(cinnamoyloxy)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylic acid

Conditions
ConditionsYield
With dmap In benzene at 60℃;97%
Betulinic acid
472-15-1

Betulinic acid

benzyl chloride
100-44-7

benzyl chloride

benzyl (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylate
192211-42-0

benzyl (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)icosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide97%
With potassium carbonate In acetone at 20℃; for 20h;93%
With potassium carbonate In acetone at 20℃; for 20h;93%
With potassium carbonate In N,N-dimethyl-formamide
With potassium carbonate In acetone
(E)-3-(4-methoxyphenyl)propenoyl chloride
34446-64-5, 42996-84-9

(E)-3-(4-methoxyphenyl)propenoyl chloride

Betulinic acid
472-15-1

Betulinic acid

3-O-(E)-p-methoxycinnamoylbetulinic acid

3-O-(E)-p-methoxycinnamoylbetulinic acid

Conditions
ConditionsYield
With dmap In benzene at 60℃;96%
Betulinic acid
472-15-1

Betulinic acid

chloroacetyl chloride
79-04-9

chloroacetyl chloride

(3S)-3-(2-chloroacetyloxy)-lup-20(29)-en-28-oic acid
689279-93-4

(3S)-3-(2-chloroacetyloxy)-lup-20(29)-en-28-oic acid

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 2h; Inert atmosphere;96%
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran for 2h; Inert atmosphere;86%
With N-ethyl-N,N-diisopropylamine; dmap In tetrahydrofuran Inert atmosphere;86%
In N,N-dimethyl acetamide at 20℃; for 24h;
1-Bromo-3-phenylpropane
637-59-2

1-Bromo-3-phenylpropane

Betulinic acid
472-15-1

Betulinic acid

C39H58O3
1400262-29-4

C39H58O3

Conditions
ConditionsYield
Stage #1: Betulinic acid With caesium carbonate In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1-Bromo-3-phenylpropane In tetrahydrofuran; N,N-dimethyl-formamide at 20℃;
96%
Betulinic acid
472-15-1

Betulinic acid

C30H48O6S*2H3N

C30H48O6S*2H3N

Conditions
ConditionsYield
With aminosulfonic acid; urea In 1,4-dioxane; N,N-dimethyl-formamide at 65 - 75℃;96%
Betulinic acid
472-15-1

Betulinic acid

dimethyl L-aspartate hydrochloride
32213-95-9

dimethyl L-aspartate hydrochloride

(S)-2-[((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-Hydroxy-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysene-3a-carbonyl)-amino]-succinic acid dimethyl ester
228419-37-2

(S)-2-[((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-Hydroxy-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysene-3a-carbonyl)-amino]-succinic acid dimethyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 19h;95%
methanol
67-56-1

methanol

Betulinic acid
472-15-1

Betulinic acid

methyl betulinate
2259-06-5, 25493-95-2

methyl betulinate

Conditions
ConditionsYield
With diazomethyl-trimethyl-silane In hexane; toluene at 20℃;95%
With Penicillium citreonigrum In chloroform; dimethyl sulfoxide Sonication;31.6 mg
piperidine
110-89-4

piperidine

Betulinic acid
472-15-1

Betulinic acid

4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran
96042-30-7

4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran

methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bS)-1-(1-acetoxy-2-hydroxypropan-2-yl)-3a-amino-5a,5b,8,8,11a-pentamethyl-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoate

methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bS)-1-(1-acetoxy-2-hydroxypropan-2-yl)-3a-amino-5a,5b,8,8,11a-pentamethyl-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoate

Conditions
ConditionsYield
In chloroform95%
Betulinic acid
472-15-1

Betulinic acid

Propargylamine
2450-71-7

Propargylamine

N-propargyl-3β-hydroxy-lup-20(29)-en-28-amide
1596376-96-3

N-propargyl-3β-hydroxy-lup-20(29)-en-28-amide

Conditions
ConditionsYield
Stage #1: Betulinic acid With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃;
Stage #2: Propargylamine With potassium carbonate In N,N-dimethyl-formamide at 20℃;
95%
Stage #1: Betulinic acid With benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 20℃; for 0.5h; Inert atmosphere;
Stage #2: Propargylamine In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;
76%
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran; dichloromethane at 0 - 20℃; for 25h; Inert atmosphere;51%
Betulinic acid
472-15-1

Betulinic acid

2-(chloromethyl)-3,5,6-trimethylpyrazine
123624-90-8

2-(chloromethyl)-3,5,6-trimethylpyrazine

3β-hydroxylup-20(29)-ene-28-oic acid 3,5,6-trimethylpyrazin-2-methyl ester

3β-hydroxylup-20(29)-ene-28-oic acid 3,5,6-trimethylpyrazin-2-methyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 12h; Inert atmosphere;95%
With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 12h;54.1%
With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 12h;
Betulinic acid
472-15-1

Betulinic acid

2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
572-09-8

2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide

2,3,4,6-tetra-O-acetyl β-D-glucopyranosyl-3β-hydroxylup-20(29)-en-28-oate
22333-86-4

2,3,4,6-tetra-O-acetyl β-D-glucopyranosyl-3β-hydroxylup-20(29)-en-28-oate

Conditions
ConditionsYield
With pyridine; silver(l) oxide for 3h;94%
Betulinic acid
472-15-1

Betulinic acid

Cyclopropylamine
765-30-0

Cyclopropylamine

N-cyclopropyl-3-hydroxylup-20(29)-en-28-amide

N-cyclopropyl-3-hydroxylup-20(29)-en-28-amide

Conditions
ConditionsYield
Stage #1: Betulinic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: Cyclopropylamine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;
94%
1-Iodooctane
629-27-6

1-Iodooctane

Betulinic acid
472-15-1

Betulinic acid

C38H64O3
1400262-34-1

C38H64O3

Conditions
ConditionsYield
Stage #1: Betulinic acid With caesium carbonate In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1-Iodooctane In tetrahydrofuran; N,N-dimethyl-formamide at 20℃;
94%
Betulinic acid
472-15-1

Betulinic acid

4-biphenyl isocyanate
92-95-5

4-biphenyl isocyanate

3-O-[N-(biphenyl)-p-carbamoyl]betulinic acid
1187569-38-5

3-O-[N-(biphenyl)-p-carbamoyl]betulinic acid

Conditions
ConditionsYield
With triethylamine In toluene for 1h; Reflux;93.5%
Betulinic acid
472-15-1

Betulinic acid

betulonic acid
4481-62-3

betulonic acid

Conditions
ConditionsYield
With pyridinium chlorochromate In chloroform for 2h; Ambient temperature;93%
With Jones reagent In dichloromethane; acetone at 20℃; for 0.25h; Cooling;93%
With Jones reagent In dichloromethane; acetone at 20℃; Cooling;93%
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