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Sinoway Industrial Co., Ltd.

Our advantage--we provide High quality Ergosterol and competitive price. (1) 28 year experience in pharmaceutical industry (2)ISO9001:2008 certificated company (3)Fischer Chemicals AG China office Basic information of Ergosterol

High Quality Ergosterol CAS No.:57-87-4

Cas:57-87-4

Min.Order:5 Kilogram

Negotiable

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

Xi'an Kono Chem Co., Ltd., founded in 2014, is a holding enterprise of Hongkong Pioneer Biotech Group. It is an export-oriented manufacturing enterprise supported by the Ministry of Commerce. Kono Chem is located in Xi'an, Shaan

Ergosterol CAS 57-87-4

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $170.0 / 200.0

Type:Other

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay 98%min ----------------------------------------------------------------------------------------------

High purity Various Specifications Ergosterol CAS:57-87-4

Cas:57-87-4

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO

Ergosterol manufacturer/supplier

Cas:57-87-4

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Ergosterol Cas 57-87-4 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:2-8°C Package:1kg/foil bag, 25kg/drum or as you required

Manufacture favorable price Ergosterol Cas 57-87-4 with high quality

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $200.0

Type:Trading Company

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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 Ergosterol

Cas:57-87-4

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Content Natural Extract Ergosterol HACCP manufacturer

Cas:57-87-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Xian Changyue Biological Technology Co., Ltd.

Ergosterol, alias ergosterol, a white or colorless light or white crystalline powder. Ergosterol not only has a unique physiological function, but also is widely used in drug development. Ergosterol as an important component of fungal cell membrane,

Ergosterol. Ergosterol hydrate.

Cas:57-87-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

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 according to the contract research and development services for the fine c

Ergosterol 57-87-4 /manufacturer/low price/high quality/in stock

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $13.0 / 15.0

Type:Lab/Research institutions

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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

Ergosterol

Cas:57-87-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

LIDE PHARMACEUTICALS LIMITED

LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.

Ergosterol

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $0.9 / 1.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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

TIANFU CHEM----Ergosterol

Cas:57-87-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

ProName:High Quality Ergosterol CAS No.:57-87-... CasNo:57-87-4 Molecular Formula:C28H44O Appearance:White crystalline powder Application:provitamin form of Vitamin D2 DeliveryTime:In 7 days from China after your final ... PackAge:1kg/bag, 5k

Ergosterol 57-87-4

Cas:57-87-4

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

Wholesale price CAS 57-87-4 with best price

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Purestar Chem Enterprise Co.,Ltd

Pure CAS 57-87-4 Antirachitic 99% Ergosterol Powder Product Name: Ergosterol Synonyms: Provitamin D2; ergosta-5,7,22-trien-3-ol; (3beta,22E)-ergosta-5,7,22-trien-3-ol; (22E)-ergosta-5,7,22-trien-3-

Pure CAS 57-87-4 Antirachitic 99% Ergosterol Powder

Cas:57-87-4

Min.Order:100 Kilogram

FOB Price: $8.0

Type:Trading Company

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white or off-white powder Storage:Store in sealed containers

Shanghai Upbio Tech Co.,Ltd

in bulk supply 57-87-4 for sale Ergosterol best quality Ergosterol is a membrane lipid found almost exclusively in fungi, thus a useful indicator of living fungal biomass. Ergosterol is a sterol that is found predominantly in membranes of fungi. I

in bulk supply 57-87-4 57-87-4 for sale Ergosterol best quality

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $11.0

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

Shanghai Minstar Chemical Co., Ltd

Product Name: Ergosterol Synonyms: (22E)-Ergosta-5,7,22-trien-3-ol;(22E,24R)-Ergosta-5,7,22-trien-3-ol;(3beta)-Ergosta-5,7,22- trien-3-ol;ergosta-5:6,7:8,22:23-trien-3-ol;7,22-trien-3-ol, (3.beta.)-Ergosta-5 delta-5,7,22-ergostatrien-3beta-ol;E

Ergosterol

Cas:57-87-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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 prese

Ergosterol 99%

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $114.0 / 124.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Ergosterol CAS:57-87-4 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, st

Ergosterol CAS:57-87-4

Cas:57-87-4

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

Ergosta-5,7,22-trien-3-ol,(3b,22E)-

Cas:57-87-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Wonda Pharm Limited

1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi

Pharmaceutical Grade 99% Ergosterol

Cas:57-87-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

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

Ergosterol

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $8.0 / 100.0

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

Ergosta-5,7,22-trien-3-ol,(3b,22E)-

Cas:57-87-4

Min.Order:0

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

Ergosterol

Cas:57-87-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Yuanmeng Biological Technology Co., Ltd.

Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other

High Purity Ergosterol CAS 57-87-4 with Fast Shipment

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $3.0 / 5.0

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Ergosterol

Cas:57-87-4

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

Ergosterol

Cas:57-87-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Miheng Trading Co., Ltd.

Ergosterol CAS 57-87-4 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assembly. 2 Profe

Ergosterol CAS 57-87-4

Cas:57-87-4

Min.Order:1 Kilogram

FOB Price: $10.0 / 50.0

Type:Trading Company

inquiry

Synthetic route

C42H61N3O6S*C6H15N

C42H61N3O6S*C6H15N

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran for 16h; Heating;76%
3β-acetoxy-5α,8α-(4-phenyl-1,2,4-triazolidine-3,5-dione-1,2-diyl)ergosta-6,22-diene
28421-56-9

3β-acetoxy-5α,8α-(4-phenyl-1,2,4-triazolidine-3,5-dione-1,2-diyl)ergosta-6,22-diene

A

Ergosterol
57-87-4

Ergosterol

B

1-Isobutyl-4-phenyl-[1,2,4]triazolidin-3-one

1-Isobutyl-4-phenyl-[1,2,4]triazolidin-3-one

Conditions
ConditionsYield
With diisobutylaluminium hydride In hexane; toluene at 0℃; for 0.166667h;A 70%
B n/a
3β-hydroxy-3',5'-dioxo-4'-phenyl-5,8<1',2'>-1',2',4'-triazolidino-5α,8α-ergosta-6,22-diene
10123-90-7

3β-hydroxy-3',5'-dioxo-4'-phenyl-5,8<1',2'>-1',2',4'-triazolidino-5α,8α-ergosta-6,22-diene

A

Ergosterol
57-87-4

Ergosterol

B

1-Isobutyl-4-phenyl-[1,2,4]triazolidin-3-one

1-Isobutyl-4-phenyl-[1,2,4]triazolidin-3-one

Conditions
ConditionsYield
With diisobutylaluminium hydride In hexane; toluene at 0℃; for 0.166667h;A 51%
B n/a
(24R)-5,7-Ergostadiene-1α,3β,25-triol
131321-88-5

(24R)-5,7-Ergostadiene-1α,3β,25-triol

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether for 0.05h; Irradiation;25%
diethyl ether
60-29-7

diethyl ether

previtamin D2
21307-05-1

previtamin D2

A

Ergosterol
57-87-4

Ergosterol

B

lumisterol
474-69-1

lumisterol

C

tachysterol
115-61-7

tachysterol

Conditions
ConditionsYield
at 0℃; UV-Licht.Irradiation;
(22E,24R)-ergosta-4,7,22-triene-3-one
17398-57-1

(22E,24R)-ergosta-4,7,22-triene-3-one

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With aluminum isopropoxide; isopropyl alcohol
lanosterol
19044-12-3

lanosterol

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
biosynthesis by Botrytis cinerea in the presence of (dl)-cis-1-(4-chlorophenyl)-2-(1H-1,2,4-triazol-1-yl)cycloheptanol;
benzoyloxy-3β (urazolo-1',2')-5α,8α ergostadiene-6,22
87530-75-4

benzoyloxy-3β (urazolo-1',2')-5α,8α ergostadiene-6,22

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water for 2h; Heating;10 % Turnov.
With potassium hydroxide In ethanol for 2h; Heating;10 % Turnov.
benzoyloxy-3β (benzalamino-4' urazolo-1',2')-5α,8α ergostadiene-6,22
87530-76-5

benzoyloxy-3β (benzalamino-4' urazolo-1',2')-5α,8α ergostadiene-6,22

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water for 2h; Heating;53 % Turnov.
With potassium hydroxide In ethanol for 2h; Heating;53 % Turnov.
benzoyloxy-3β (p-nitrophenyl-4' urazolo-1',2')-5α,8α ergostadiene-6,22
87530-79-8

benzoyloxy-3β (p-nitrophenyl-4' urazolo-1',2')-5α,8α ergostadiene-6,22

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water for 2h; Heating;98 % Turnov.
With potassium hydroxide In ethanol for 2h; Heating;98 % Turnov.
benzoyloxy-3β (anisalamino-4' urazolo-1',2')-5α,8α ergostadiene-6,22
87530-77-6

benzoyloxy-3β (anisalamino-4' urazolo-1',2')-5α,8α ergostadiene-6,22

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water for 2h; Heating;29 % Turnov.
With potassium hydroxide In ethanol for 2h; Heating;29 % Turnov.
Multi-step reaction with 2 steps
1: 98 percent / NaNO2 (10percent) / tetrahydrofuran; acetic acid
2: 10 percent Turnov. / KOH (0.8N) / ethanol / 2 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: 98 percent / 2,4-dinitro phenylhydrazine, p-toluenesulfonic acid monohydrate / H2O; tetrahydrofuran / 3 h / Heating
2: 18 percent Turnov. / KOH (0.8N) / ethanol / 2 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: 98 percent / 2,4-dinitro phenylhydrazine, p-toluenesulfonic acid monohydrate / H2O; tetrahydrofuran / 3 h / Heating
2: 95 percent / PhSeOOH / tetrahydrofuran / 0.33 h / Heating
3: 10 percent Turnov. / KOH (0.8N) / ethanol / 2 h / Heating
View Scheme
benzoyloxy-3β (p-nitrobenzalamino-4' urazolo-1',2')-5α,8α ergostadiene-6,22
87530-78-7

benzoyloxy-3β (p-nitrobenzalamino-4' urazolo-1',2')-5α,8α ergostadiene-6,22

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water for 2h; Heating;67 % Turnov.
With potassium hydroxide In ethanol for 2h; Heating;62 % Turnov.
benzoyloxy-3β (amino-4' urazolo-1',2')-5α,8α ergostadiene-6,22
104729-32-0

benzoyloxy-3β (amino-4' urazolo-1',2')-5α,8α ergostadiene-6,22

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With potassium hydroxide In ethanol for 2h; Heating;18 % Turnov.
Multi-step reaction with 2 steps
1: 95 percent / PhSeOOH / tetrahydrofuran / 0.33 h / Heating
2: 10 percent Turnov. / KOH (0.8N) / ethanol / 2 h / Heating
View Scheme
(22E)-5α,8α-(4'-phenyl)urazoloergosta-6,22-dien-3β-yl benzoate
28487-73-2, 76035-90-0

(22E)-5α,8α-(4'-phenyl)urazoloergosta-6,22-dien-3β-yl benzoate

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water for 2h; Heating;37 % Turnov.
With potassium hydroxide In ethanol for 2h; Heating;37 % Turnov.
diethyl ether
60-29-7

diethyl ether

ergosterol peroxide
2061-64-5

ergosterol peroxide

lithium alanate

lithium alanate

A

Ergosterol
57-87-4

Ergosterol

B

5α-ergost-7-ene-3β,5-diol

5α-ergost-7-ene-3β,5-diol

(22E)-3α,5-cyclo-5α-ergosta-6,8(14),22-triene
24352-51-0

(22E)-3α,5-cyclo-5α-ergosta-6,8(14),22-triene

trichloroacetic acid
76-03-9

trichloroacetic acid

A

Ergosterol
57-87-4

Ergosterol

B

isomer(ic) ergostatrienol

isomer(ic) ergostatrienol

Conditions
ConditionsYield
at 80℃; Kochen des Reaktionsprodukts mit aethanol. NaOH;
chloroform
67-66-3

chloroform

(22E)-3α,5-cyclo-5α-ergosta-6,8(14),22-triene
24352-51-0

(22E)-3α,5-cyclo-5α-ergosta-6,8(14),22-triene

trichloroacetic acid
76-03-9

trichloroacetic acid

A

Ergosterol
57-87-4

Ergosterol

B

isomer(ic) ergostatrienol

isomer(ic) ergostatrienol

Conditions
ConditionsYield
at 20℃; Kochen des Reaktionsprodukts mit aethanol. NaOH;
propan-1-ol
71-23-8

propan-1-ol

9(11)-dehydroergosterol
516-85-8

9(11)-dehydroergosterol

sodium

sodium

A

Ergosterol
57-87-4

Ergosterol

B

ergosta-7,9(11),22-triene-3β-ol
516-84-7

ergosta-7,9(11),22-triene-3β-ol

C

(22E)-ergosta-7,22-dien-3β-ol
2465-11-4

(22E)-ergosta-7,22-dien-3β-ol

ethanol
64-17-5

ethanol

9(11)-dehydroergosterol
516-85-8

9(11)-dehydroergosterol

sodium

sodium

A

Ergosterol
57-87-4

Ergosterol

B

ergosta-7,9(11),22-triene-3β-ol
516-84-7

ergosta-7,9(11),22-triene-3β-ol

C

(22E)-ergosta-7,22-dien-3β-ol
2465-11-4

(22E)-ergosta-7,22-dien-3β-ol

(22E,24R)-ergosta-4,7,22-triene-3-one
17398-57-1

(22E,24R)-ergosta-4,7,22-triene-3-one

aluminum isopropoxide
555-31-7

aluminum isopropoxide

isopropyl alcohol
67-63-0

isopropyl alcohol

A

Ergosterol
57-87-4

Ergosterol

B

24βF-methyl-cholestatrien-(4.7.22t)-ol-(3α)
6538-05-2

24βF-methyl-cholestatrien-(4.7.22t)-ol-(3α)

C

ergosta-4,7,22-trien-3-ol
97583-19-2

ergosta-4,7,22-trien-3-ol

D

ergostatrien-(5.7.22t)-ol-(3α)

ergostatrien-(5.7.22t)-ol-(3α)

22-hydroxy-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinorchol-6-ene-1α,3β-diol 1,3-diacetate
125315-55-1

22-hydroxy-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinorchol-6-ene-1α,3β-diol 1,3-diacetate

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 9 steps
1: pyridine / 4 h / Ambient temperature
2: 1) NaI / 1) DMF, 30 min, 80 deg C, 2) 30 min, 80 deg C
3: 79 percent / KOH / methanol / 0.5 h / Heating
4: 90 percent / PPTS / CH2Cl2 / 24 h / Ambient temperature
5: 1) BuLi, HMPA / 1) THF, -78 deg C to -20 deg C, 20 min, 2) THF, -20 deg C, 1.5h
6: 53 percent / sodium amalgam (5percent), Na2HPO4 / methanol / 16 h / Ambient temperature
7: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
8: 86 percent / LiAlH4 / tetrahydrofuran / Heating
9: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
22-Oxo-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinor-6-cholene-1α,3β-diyl diacetate
125315-53-9

22-Oxo-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinor-6-cholene-1α,3β-diyl diacetate

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 10 steps
1: 950 g / NaBH4 / methanol / 0.17 h / Ambient temperature
2: pyridine / 4 h / Ambient temperature
3: 1) NaI / 1) DMF, 30 min, 80 deg C, 2) 30 min, 80 deg C
4: 79 percent / KOH / methanol / 0.5 h / Heating
5: 90 percent / PPTS / CH2Cl2 / 24 h / Ambient temperature
6: 1) BuLi, HMPA / 1) THF, -78 deg C to -20 deg C, 20 min, 2) THF, -20 deg C, 1.5h
7: 53 percent / sodium amalgam (5percent), Na2HPO4 / methanol / 16 h / Ambient temperature
8: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
9: 86 percent / LiAlH4 / tetrahydrofuran / Heating
10: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
22-Phenylsulfonyl-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinor-6-cholene-1α,3β-diol
131249-29-1

22-Phenylsulfonyl-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinor-6-cholene-1α,3β-diol

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 90 percent / PPTS / CH2Cl2 / 24 h / Ambient temperature
2: 1) BuLi, HMPA / 1) THF, -78 deg C to -20 deg C, 20 min, 2) THF, -20 deg C, 1.5h
3: 53 percent / sodium amalgam (5percent), Na2HPO4 / methanol / 16 h / Ambient temperature
4: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
5: 86 percent / LiAlH4 / tetrahydrofuran / Heating
6: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
22-Phenylsulfonyl-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinor-6-cholene-1α,3β-diyl Diacetate
131249-28-0

22-Phenylsulfonyl-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinor-6-cholene-1α,3β-diyl Diacetate

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 79 percent / KOH / methanol / 0.5 h / Heating
2: 90 percent / PPTS / CH2Cl2 / 24 h / Ambient temperature
3: 1) BuLi, HMPA / 1) THF, -78 deg C to -20 deg C, 20 min, 2) THF, -20 deg C, 1.5h
4: 53 percent / sodium amalgam (5percent), Na2HPO4 / methanol / 16 h / Ambient temperature
5: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
6: 86 percent / LiAlH4 / tetrahydrofuran / Heating
7: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
5α,8α-(4-Phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinor-6-cholene-1α,3β,22-triyl 1α,3β-Diacetate 22-p-Toluenesulfonate
131249-26-8

5α,8α-(4-Phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-23,24-dinor-6-cholene-1α,3β,22-triyl 1α,3β-Diacetate 22-p-Toluenesulfonate

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: 1) NaI / 1) DMF, 30 min, 80 deg C, 2) 30 min, 80 deg C
2: 79 percent / KOH / methanol / 0.5 h / Heating
3: 90 percent / PPTS / CH2Cl2 / 24 h / Ambient temperature
4: 1) BuLi, HMPA / 1) THF, -78 deg C to -20 deg C, 20 min, 2) THF, -20 deg C, 1.5h
5: 53 percent / sodium amalgam (5percent), Na2HPO4 / methanol / 16 h / Ambient temperature
6: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
7: 86 percent / LiAlH4 / tetrahydrofuran / Heating
8: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
22-Phenylsulfonyl-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-1α,3β-bis(tetrahydropyranyloxy)-23,24-dinor-6-cholene
131249-30-4

22-Phenylsulfonyl-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-1α,3β-bis(tetrahydropyranyloxy)-23,24-dinor-6-cholene

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 1) BuLi, HMPA / 1) THF, -78 deg C to -20 deg C, 20 min, 2) THF, -20 deg C, 1.5h
2: 53 percent / sodium amalgam (5percent), Na2HPO4 / methanol / 16 h / Ambient temperature
3: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
4: 86 percent / LiAlH4 / tetrahydrofuran / Heating
5: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
(24R)-5α,8α-(4-Phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-1α,3β,25-tris(tetrahydropyranyloxy)-6-ergostene
131249-35-9, 131321-86-3

(24R)-5α,8α-(4-Phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-1α,3β,25-tris(tetrahydropyranyloxy)-6-ergostene

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
2: 86 percent / LiAlH4 / tetrahydrofuran / Heating
3: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
(24R)-22-Phenylsulfonyl-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-1α,3β,25-tris(tetrahydropyranyloxy)-6-ergostene
131249-33-7

(24R)-22-Phenylsulfonyl-5α,8α-(4-phenyl-3,5-dioxo-1,2,4-triazolidine-1,2-diyl)-1α,3β,25-tris(tetrahydropyranyloxy)-6-ergostene

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 53 percent / sodium amalgam (5percent), Na2HPO4 / methanol / 16 h / Ambient temperature
2: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
3: 86 percent / LiAlH4 / tetrahydrofuran / Heating
4: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
(3S)-4-iodo-2,3-dimethyl-2-butanol tetrahydropyranyl ether
131249-25-7, 131321-85-2

(3S)-4-iodo-2,3-dimethyl-2-butanol tetrahydropyranyl ether

Ergosterol
57-87-4

Ergosterol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 1) BuLi, HMPA / 1) THF, -78 deg C to -20 deg C, 20 min, 2) THF, -20 deg C, 1.5h
2: 53 percent / sodium amalgam (5percent), Na2HPO4 / methanol / 16 h / Ambient temperature
3: 83 percent / p-TsOH*H2O, 95percent EtOH / 4 h / 80 °C
4: 86 percent / LiAlH4 / tetrahydrofuran / Heating
5: 25 percent / diethyl ether; tetrahydrofuran / 0.05 h / Irradiation
View Scheme
Conditions
ConditionsYield
With pyridine at 20℃; for 3h; Inert atmosphere;100%
With pyridine at 20℃; for 24h;96%
With pyridine; dmap In dichloromethane at 20℃;92%
4-Phenylurazole
15988-11-1

4-Phenylurazole

Ergosterol
57-87-4

Ergosterol

3β-hydroxy-3',5'-dioxo-4'-phenyl-5,8<1',2'>-1',2',4'-triazolidino-5α,8α-ergosta-6,22-diene
10123-90-7

3β-hydroxy-3',5'-dioxo-4'-phenyl-5,8<1',2'>-1',2',4'-triazolidino-5α,8α-ergosta-6,22-diene

Conditions
ConditionsYield
In acetone at 20℃; for 15h;100%
With (PhSeO)2O In tetrahydrofuran for 2h; Ambient temperature;96%
Dimethoxymethane
109-87-5

Dimethoxymethane

Ergosterol
57-87-4

Ergosterol

O-methoxymethyl-ergosterol
95307-27-0

O-methoxymethyl-ergosterol

Conditions
ConditionsYield
With phosphorus pentoxide100%
With phosphorus pentoxide at 20℃; for 1h;89%
Ergosterol
57-87-4

Ergosterol

(3β,5α)-ergost-8(14)-en-3-ol
632-32-6

(3β,5α)-ergost-8(14)-en-3-ol

Conditions
ConditionsYield
With palladium on activated charcoal; hydrogen In methanol; dichloromethane at 20℃; for 20h;99%
With diethyl ether; palladium at 20℃; Hydrogenation;
With diethyl ether; palladium Hydrogenation;
Ergosterol
57-87-4

Ergosterol

(22E)-ergosta-7,22-dien-3β-ol
2465-11-4

(22E)-ergosta-7,22-dien-3β-ol

Conditions
ConditionsYield
With tert-Amyl alcohol; ammonia; lithium In tetrahydrofuran at -78℃; for 4h;99%
With diisobutylaluminium hydride In toluene at 110℃; for 6h; in sealed flask;94%
With diethyl ether; palladium Hydrogenation;
Ergosterol
57-87-4

Ergosterol

1-hexadecylcarboxylic acid
57-10-3

1-hexadecylcarboxylic acid

ergosterol palmitate
3992-98-1

ergosterol palmitate

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In 1,3,5-trimethyl-benzene for 24h; Reflux;99%
With enzyme-substance from pig's pancreas
at 190℃;
lauric acid
143-07-7

lauric acid

Ergosterol
57-87-4

Ergosterol

ergosterol laurate
29398-23-0

ergosterol laurate

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In 1,3,5-trimethyl-benzene for 24h; Reflux;99%
With hydrogenchloride; sodium dodecyl-sulfate Inert atmosphere;
Octanoic acid
124-07-2

Octanoic acid

Ergosterol
57-87-4

Ergosterol

C36H58O2
29398-29-6

C36H58O2

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In 1,3,5-trimethyl-benzene for 12h; Reflux;99%
1-decanoic acid
334-48-5

1-decanoic acid

Ergosterol
57-87-4

Ergosterol

C38H62O2
29398-30-9

C38H62O2

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In 1,3,5-trimethyl-benzene for 12h; Reflux;99%
Ergosterol
57-87-4

Ergosterol

n-tetradecanoic acid
544-63-8

n-tetradecanoic acid

C42H70O2
23637-23-2

C42H70O2

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In 1,3,5-trimethyl-benzene for 12h; Reflux;99%
Ergosterol
57-87-4

Ergosterol

stearic acid
57-11-4

stearic acid

ergosteryl stearate
23637-22-1

ergosteryl stearate

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In 1,3,5-trimethyl-benzene for 24h; Reflux;99%
Benzyl N-hydroxycarbamate
3426-71-9

Benzyl N-hydroxycarbamate

Ergosterol
57-87-4

Ergosterol

C35H49NO4

C35H49NO4

Conditions
ConditionsYield
With pyridine; copper(l) chloride In tetrahydrofuran at 20℃; for 2h;99%
Ergosterol
57-87-4

Ergosterol

methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

methylsulfonylergosterol
15072-98-7

methylsulfonylergosterol

Conditions
ConditionsYield
With pyridine at 10℃; for 1h; Inert atmosphere;98%
With pyridine at 10℃; for 1h;94%
With pyridine at 10℃; for 1h;94%
Conditions
ConditionsYield
With pyridine In dichloromethane98%
With pyridine In dichloromethane at 0 - 20℃; for 18h;94%
Ergosterol
57-87-4

Ergosterol

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

3β-tert-Butyldimethylsilyloxy-ergosta-5,7,22-triene
95307-26-9

3β-tert-Butyldimethylsilyloxy-ergosta-5,7,22-triene

Conditions
ConditionsYield
With pyridine; 1H-imidazole In toluene at 110℃; for 3h; Inert atmosphere;98%
With pyridine; 1H-imidazole at 25℃; for 2h; Etherification;97%
With 1H-imidazole In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 24h; Inert atmosphere;
bis(trichloromethyl) carbonate
32315-10-9

bis(trichloromethyl) carbonate

Ergosterol
57-87-4

Ergosterol

ergosterol chloroformate

ergosterol chloroformate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 10℃; for 18h;98%
Ergosterol
57-87-4

Ergosterol

5α,6α-epoxy-24(R)-methylcholesta-7,22-dien-3β-ol
23637-31-2

5α,6α-epoxy-24(R)-methylcholesta-7,22-dien-3β-ol

Conditions
ConditionsYield
With potassium carbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane; water at 25℃; for 0.75h; diastereoselective reaction;98%
With potassium carbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane; water at 25℃; for 0.75h; Sonication;98%
Ergosterol
57-87-4

Ergosterol

4-(p-nitrophenyl)urazole
13274-45-8

4-(p-nitrophenyl)urazole

(p-nitrophenyl-4' urazolo-1',2')-5α,8α ergostadiene-6,22 ol-3β
87530-80-1

(p-nitrophenyl-4' urazolo-1',2')-5α,8α ergostadiene-6,22 ol-3β

Conditions
ConditionsYield
With (PhSeO)2O In tetrahydrofuran for 2h; Ambient temperature;97%
Ergosterol
57-87-4

Ergosterol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

(22E,24R)-5α-ergosta-5,7,22-triene-3-p-toluenesulfonate
51373-27-4

(22E,24R)-5α-ergosta-5,7,22-triene-3-p-toluenesulfonate

Conditions
ConditionsYield
With sodium carbonate In toluene at 10℃; for 2h; Reagent/catalyst; Temperature;96.3%
Ergosterol
57-87-4

Ergosterol

(22E,24R)-ergosta-7,22-dien-3β-ol
17608-76-3

(22E,24R)-ergosta-7,22-dien-3β-ol

Conditions
ConditionsYield
With diisobutylaluminium hydride In toluene at 110℃; for 60h;96%
With lithium; ethylamine
4-pentynoic acid
6089-09-4

4-pentynoic acid

Ergosterol
57-87-4

Ergosterol

3β‑pentynoyloxy‑ergosta‑5,7,22‑trien

3β‑pentynoyloxy‑ergosta‑5,7,22‑trien

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 24h; Inert atmosphere;96%
hex-5-ynoic acid
53293-00-8

hex-5-ynoic acid

Ergosterol
57-87-4

Ergosterol

3β‑hexynoyloxy‑ergosta‑5,7,22‑trien

3β‑hexynoyloxy‑ergosta‑5,7,22‑trien

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 24h; Inert atmosphere;96%
Ergosterol
57-87-4

Ergosterol

benzoyl chloride
98-88-4

benzoyl chloride

(3β,22E)-ergosta-5,7,22-trien-3-ol benzoate
5035-30-3

(3β,22E)-ergosta-5,7,22-trien-3-ol benzoate

Conditions
ConditionsYield
With pyridine for 6h; Ambient temperature;95%
With pyridine
Ergosterol
57-87-4

Ergosterol

2-Bromoacetyl bromide
598-21-0

2-Bromoacetyl bromide

3β-bromoacetate-ergosta-5,7,12-triene

3β-bromoacetate-ergosta-5,7,12-triene

Conditions
ConditionsYield
With calcium hydride; N-benzyl-N,N,N-triethylammonium chloride In toluene95%
Ergosterol
57-87-4

Ergosterol

2-nitrosopyridine
79917-37-6

2-nitrosopyridine

C33H48N2O2

C33H48N2O2

Conditions
ConditionsYield
In dichloromethane at 0℃; for 0.5h; nitroso-Diels-Alder reaction; stereoselective reaction;95%
Ergosterol
57-87-4

Ergosterol

2,3,4,5-tetra-O-benzoyl-D-glucopyranosyl trichloroacetimidate
151767-11-2

2,3,4,5-tetra-O-benzoyl-D-glucopyranosyl trichloroacetimidate

ergosterol-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-glucopyranoside)
1354766-16-7

ergosterol-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-glucopyranoside)

Conditions
ConditionsYield
Stage #1: Ergosterol; 2,3,4,5-tetra-O-benzoyl-D-glucopyranosyl trichloroacetimidate In dichloromethane at 0℃; for 0.5h; Inert atmosphere; Molecular sieve;
Stage #2: With trimethylsilyl trifluoromethanesulfonate In dichloromethane at 0 - 20℃; for 1.5h; Inert atmosphere;
95%
hept-6-ynoic acid
30964-00-2

hept-6-ynoic acid

Ergosterol
57-87-4

Ergosterol

3β‑heptynoyloxy‑ergosta‑5,7,22‑trien

3β‑heptynoyloxy‑ergosta‑5,7,22‑trien

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 24h; Inert atmosphere;95%
(E)-3-(4-acetoxy-3-methoxyphenyl)acrylic acid
2596-47-6, 147677-05-2, 34749-55-8

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

Ergosterol
57-87-4

Ergosterol

3-O-(trans-4-O-acetylferuloyl)ergosterol

3-O-(trans-4-O-acetylferuloyl)ergosterol

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 100℃; under 13501.4 Torr; for 0.25h; Microwave irradiation;94%
Ergosterol
57-87-4

Ergosterol

ergosterol peroxide
2061-64-5

ergosterol peroxide

Conditions
ConditionsYield
With oxygen; phloxine B In methanol at 5℃; for 3h; Irradiation; Inert atmosphere;93%
With oxygen In methanol Diels-Alder Cycloaddition; UV-irradiation;93%
With oxygen; 5,10,15,20-tetraphenylporphyrin In dichloromethane at 0℃; for 4h; Irradiation;70%
Ergosterol
57-87-4

Ergosterol

2,3,4,6-tetra-O-benzoyl-α,b-D-galactopyranosyl trichloroacetimidate
203435-09-0

2,3,4,6-tetra-O-benzoyl-α,b-D-galactopyranosyl trichloroacetimidate

ergosterol-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranoside)
1390620-14-0

ergosterol-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranoside)

Conditions
ConditionsYield
Stage #1: Ergosterol; 2,3,4,6-tetra-O-benzoyl-α,b-D-galactopyranosyl trichloroacetimidate In dichloromethane at 0℃; for 0.5h; Inert atmosphere; Molecular sieve;
Stage #2: With trimethylsilyl trifluoromethanesulfonate In dichloromethane at 0 - 20℃; for 1.5h; Inert atmosphere;
93%

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