Products

Refine

Country

Business Type

Certificate

Display

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

Methyldopa Manufacturer/High quality/Best price/In stock

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White to yellowish-white, fine powder Conform Solubility

High quality alpha-methyldopa with best price cas:555-30-6

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $55.0 / 75.0

Type:Manufacturers

inquiry

Xi'an Quanao Biotech Co., Ltd.

Xi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi

Anti-hypertension API Material 99% Methyldopa powder CAS:555-30-6

Cas:555-30-6

Min.Order:100 Gram

FOB Price: $3.0 / 8.0

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Methyldopa

Cas:555-30-6

Min.Order:1

Negotiable

Type:Other

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 C

Methyldopa manufacturer with low price

Cas:555-30-6

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

COLORCOM LTD.

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

Methyldopa

Cas:555-30-6

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

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

Factory Supply High Quality Methyldopa CAS 555-30-6

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $30.0

Type:Trading Company

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-- Methyldopa

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $1300.0

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

555-30-6 Methyldopa

Cas:555-30-6

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

New production CAS 555-30-6 with best quality

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Methyldopa CAS555-30-6

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Name: Methyldopa CAS: 555-30-6 MF: C10H13NO4 Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application:APIS Transportation:By sea or by air Port:Qingdao Port

Methyldopa

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High qu

High Purity and Good Price Methyldopa (CAS: 555-30-6)

Cas:555-30-6

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

L-Tyrosine, 3-hydroxy-a-methyl- 555-30-6

Cas:555-30-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Hanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d

Pharmaceutical Raw Material Methyldopa

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Trading Company

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

99% Raw Material Methyldopa powder / Pharmaceutical raw Powder Methyldopa

Cas:555-30-6

Min.Order:10 Gram

FOB Price: $3.5

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Methyldopa CAS:555-30-6 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

Methyldopa CAS:555-30-6

Cas:555-30-6

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

L-Tyrosine, 3-hydroxy-a-methyl-

Cas:555-30-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

L-Tyrosine, 3-hydroxy-a-methyl-/ LIDE PHARMA- Factory supply / Best price

Cas:555-30-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

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) Reasonable & Compet

Hot Selling CAS 555-30-6 Methyldopa with factory price

Cas:555-30-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

L-Tyrosine, 3-hydroxy-a-methyl-

Cas:555-30-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

Methyldopa competitive price CAS NO.555-30-6

Cas:555-30-6

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Methyldopa

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 100000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality Appearance:colourless crystals Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Antihypertensor;L-aromatic aminoacid decarboxylase

L-Tyrosine, 3-hydroxy-a-methyl-

Cas:555-30-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

99% Methyldopa CAS 555-30-6 with Best Price

Cas:555-30-6

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

Methyldopa

Cas:555-30-6

Min.Order:0 Metric Ton

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

Methyldopa

Cas:555-30-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products Methyldopa

Cas:555-30-6

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shaanxi New nine Material Technology Co., Ltd.

Our Advantage & Service 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 Professional R&D

Methyldopa Manufacturer/High quality/Best price/In stock CAS NO.555-30-6

Cas:555-30-6

Min.Order:10 Gram

FOB Price: $5.0 / 10.0

Type:Trading Company

inquiry

Hefei Zhaobo Technology Co., Ltd.

Our Advantages Production: Advanced chemical equipment with years of experience.Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Speci

Methyldopa CAS 555-30-6

Cas:555-30-6

Min.Order:1 Kilogram

FOB Price: $150.0 / 180.0

Type:Trading Company

inquiry

Synthetic route

(S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid hydrochloride

(S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid hydrochloride

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
With methyloxirane In ethanol for 3h; Inert atmosphere; Reflux;86%
(S)-N-Acetyl-α-methyl-β-(3,4-dimethoxyphenyl)alanin
16825-27-7

(S)-N-Acetyl-α-methyl-β-(3,4-dimethoxyphenyl)alanin

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
With hydrogen bromide Heating;
(S)-3-(3,4-dimethoxyphenyl)-2-methylalanine
39948-18-0

(S)-3-(3,4-dimethoxyphenyl)-2-methylalanine

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
With hydrogen bromide
(2S)-2-amino-2-methyl-3-(3,4-dimethoxyphenyl)propanamide
109522-07-8

(2S)-2-amino-2-methyl-3-(3,4-dimethoxyphenyl)propanamide

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
With hydrogen bromide
N-Chloroacetyl-α-methyl-DOPA
121704-32-3

N-Chloroacetyl-α-methyl-DOPA

A

methyldopa
555-30-6

methyldopa

B

N-Chloroacetyl-D-α-methyl-DOPA
61406-34-6, 121704-32-3

N-Chloroacetyl-D-α-methyl-DOPA

Conditions
ConditionsYield
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis, also with Aspergillus acylase I as a catalyst; with or without CoCl2;
(2S,5S)-1-benzoyl-2-(tert-butyl)-5-(3',4'-dimethoxybenzyl)-3,5-dimethylimidazolidin-4-one
98262-54-5

(2S,5S)-1-benzoyl-2-(tert-butyl)-5-(3',4'-dimethoxybenzyl)-3,5-dimethylimidazolidin-4-one

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
With hydrogenchloride at 175 - 185℃; for 4h;
4-bromomethyl-1,2-dimethoxybenzene
21852-32-4

4-bromomethyl-1,2-dimethoxybenzene

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: tetrahydrofuran; hexane / 2 h / -78 - 0 °C
2: aq. 6N HCl / 4 h / 175 - 185 °C
View Scheme
Multi-step reaction with 4 steps
1: NaH / tetrahydrofuran / 0 - 25 °C
2: α-chymotrypsin / dimethylsulfoxide; H2O / 22 - 25 °C / potassium phosphate ( pH 7.0); with pig liver esterase the reaction rate is higher but the e.e. is lower
3: 1.) acyl azide formation, 2.) Curtius rearrangement
4: aq. HBr (48percent)
View Scheme
benzyl-veratryliden-amine
33859-00-6

benzyl-veratryliden-amine

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 85 percent / 1.) NEt3 / CH2Cl2 / 1.) -78 deg C; 2.) -78-0 deg C
2: 90 percent / 1.) LiHMDS
3: 90 percent / Li/NH3 / tetrahydrofuran; 2-methyl-propan-2-ol
4: aq. HBr
View Scheme
(3S,4R)-1-benzyl-3-<2-oxo-4(S)-phenyloxazolidinyl>-4-(3,4-dimethoxyphenyl)azetidin-2-one
111793-95-4

(3S,4R)-1-benzyl-3-<2-oxo-4(S)-phenyloxazolidinyl>-4-(3,4-dimethoxyphenyl)azetidin-2-one

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 90 percent / 1.) LiHMDS
2: 90 percent / Li/NH3 / tetrahydrofuran; 2-methyl-propan-2-ol
3: aq. HBr
View Scheme
(3S,4R)-1-benzyl-3-methyl-3-<2-oxo-(4S)-phenyloxazolidinyl>-4-(3,4-dimethoxyphenyl)azetidin-2-one
111793-96-5

(3S,4R)-1-benzyl-3-methyl-3-<2-oxo-(4S)-phenyloxazolidinyl>-4-(3,4-dimethoxyphenyl)azetidin-2-one

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 90 percent / Li/NH3 / tetrahydrofuran; 2-methyl-propan-2-ol
2: aq. HBr
View Scheme
2-(3,4-Dimethoxy-benzyl)-2-methyl-malonic acid dimethyl ester
5846-22-0

2-(3,4-Dimethoxy-benzyl)-2-methyl-malonic acid dimethyl ester

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: α-chymotrypsin / dimethylsulfoxide; H2O / 22 - 25 °C / potassium phosphate ( pH 7.0); with pig liver esterase the reaction rate is higher but the e.e. is lower
2: 1.) acyl azide formation, 2.) Curtius rearrangement
3: aq. HBr (48percent)
View Scheme
(R)-2-(3,4-Dimethoxy-benzyl)-2-methyl-malonic acid monomethyl ester
99531-07-4

(R)-2-(3,4-Dimethoxy-benzyl)-2-methyl-malonic acid monomethyl ester

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) acyl azide formation, 2.) Curtius rearrangement
2: aq. HBr (48percent)
View Scheme
4-(3,4-dimethoxy-benzyl)-2,4-dimethyl-4H-oxazol-5-one
10144-60-2, 92906-69-9

4-(3,4-dimethoxy-benzyl)-2,4-dimethyl-4H-oxazol-5-one

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i) Na, benzene, (ii) /BRN= 4145678/
2: KOH / aq. ethanol / Heating
3: aq. HBr / Heating
View Scheme
N-Acetyl-α-methyl-β-<3,4-dimethoxy-phenyl>-alanin-l-menthylester

N-Acetyl-α-methyl-β-<3,4-dimethoxy-phenyl>-alanin-l-menthylester

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: KOH / aq. ethanol / Heating
2: aq. HBr / Heating
View Scheme
3,4-dihydroxyphenyl-α-methylalanine

3,4-dihydroxyphenyl-α-methylalanine

methyldopa
555-30-6

methyldopa

(S)-3-(1-naphthoyl)-4-(benzo[d][1,3]dioxol-5-ylmethyl)-2,2,4-trimethyloxazolidin-5-one
1395919-79-5

(S)-3-(1-naphthoyl)-4-(benzo[d][1,3]dioxol-5-ylmethyl)-2,2,4-trimethyloxazolidin-5-one

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium hydroxide / tetrahydrofuran; water / Reflux; Inert atmosphere
2: hydrogenchloride; acetic acid / phenol / 4 h / 115 °C / Sealed tube; Inert atmosphere
3: methyloxirane / ethanol / 3 h / Inert atmosphere; Reflux
View Scheme
3,4-dimethoxy-benzaldehyde
120-14-9

3,4-dimethoxy-benzaldehyde

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sodium methylate / N,N-dimethyl-formamide / 2.08 h / 20 °C / Large scale
2.1: p-toluenesulfonyl chloride; triethylamine / dichloromethane / 2.5 h
2.2: 1.3 h
3.1: hydrogen bromide / water / 4 h / 60 °C / Large scale
View Scheme
C15H21NO5

C15H21NO5

methyldopa
555-30-6

methyldopa

Conditions
ConditionsYield
With hydrogen bromide In water at 60℃; for 4h; Large scale;177 kg
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

methyldopa
555-30-6

methyldopa

(S)-N-(tert-butoxycarbonyl)-3-hydroxy-α-methyltyrosine
62631-37-2

(S)-N-(tert-butoxycarbonyl)-3-hydroxy-α-methyltyrosine

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 60℃; for 18h;100%
at 60℃; for 96h; Inert atmosphere;
methanol
67-56-1

methanol

methyldopa
555-30-6

methyldopa

α-methyl-β-3,4-dihydroxyphenyl-(L)-alanine methyl ester hydrochloride
115054-62-1

α-methyl-β-3,4-dihydroxyphenyl-(L)-alanine methyl ester hydrochloride

Conditions
ConditionsYield
With thionyl chloride at -15 - 20℃; for 72h; Heating / reflux;97%
With hydrogenchloride
With thionyl chloride at 65℃; for 144h;
methyldopa
555-30-6

methyldopa

acetyl chloride
75-36-5

acetyl chloride

(2S)-N-acetyl-3-(3',4'-diacetoxyphenyl)-2-methylalanine
6892-05-3

(2S)-N-acetyl-3-(3',4'-diacetoxyphenyl)-2-methylalanine

Conditions
ConditionsYield
In acetic acid at 45℃;90%
ethanol
64-17-5

ethanol

methyldopa
555-30-6

methyldopa

(S)-α-Me-Dopa ethyl ester
6014-30-8

(S)-α-Me-Dopa ethyl ester

Conditions
ConditionsYield
With hydrogenchloride Reflux;90%
ethanol
64-17-5

ethanol

methyldopa
555-30-6

methyldopa

(S)-2-Amino-3-(3,4-dihydroxy-phenyl)-2-methyl-propionic acid ethyl ester; hydrochloride

(S)-2-Amino-3-(3,4-dihydroxy-phenyl)-2-methyl-propionic acid ethyl ester; hydrochloride

Conditions
ConditionsYield
With hydrogenchloride Reflux;90%
methanol
67-56-1

methanol

methyldopa
555-30-6

methyldopa

L-methyldopa methyl ester

L-methyldopa methyl ester

Conditions
ConditionsYield
With hydrogenchloride at 30 - 40℃; for 48h; Temperature;71.7%
With thionyl chloride
cis-dichloridobis(1,10-phenanthroline)ruthenium(II)

cis-dichloridobis(1,10-phenanthroline)ruthenium(II)

methyldopa
555-30-6

methyldopa

sodium perchlorate

sodium perchlorate

Ru(N2C12H8)2(NH2CCH3CH2C6H3OHOHCOO)(1+)*ClO4(1-)*2H2O=Ru(N2C12H8)2(NH2CCH3CH2C6H3OHOHCOO)ClO4*2H2O

Ru(N2C12H8)2(NH2CCH3CH2C6H3OHOHCOO)(1+)*ClO4(1-)*2H2O=Ru(N2C12H8)2(NH2CCH3CH2C6H3OHOHCOO)ClO4*2H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water Ru-complex was refluxed in mixt. of H2O and EtOH, to this soln. was added ligand followed by aq. NaOH, mixt. was heated at 70°C for 30 min, cooled to room temp., filtered, aq. soln. of NaClO4 was added, mixt.was stored in the dark for 48 h; solid was collected at the pump, washed with ice-cold H2O, dried in vac. over silica gel at room temp.; elem. anal.;71%
methyldopa
555-30-6

methyldopa

S-benzoyl-3-mercaptopropanoyl chloride
67714-30-1

S-benzoyl-3-mercaptopropanoyl chloride

N,O,O'-tris(S-benzoyl-3-mercaptopropanoyl)-L-α-methyldopa
72636-20-5

N,O,O'-tris(S-benzoyl-3-mercaptopropanoyl)-L-α-methyldopa

Conditions
ConditionsYield
With sodium hydroxide In water for 2h;66%
(Z)-6,9,12-octadecatrienoyl chloride

(Z)-6,9,12-octadecatrienoyl chloride

methyldopa
555-30-6

methyldopa

N-octadecatrienoyl L-(3,4-dihydroxy-phenyl-α-methyl)-alanine

N-octadecatrienoyl L-(3,4-dihydroxy-phenyl-α-methyl)-alanine

Conditions
ConditionsYield
61.3%
cis-dichloro(2,2′-bipyridine)ruthenium(II)chloride

cis-dichloro(2,2′-bipyridine)ruthenium(II)chloride

methyldopa
555-30-6

methyldopa

sodium perchlorate

sodium perchlorate

Ru(N2C10H8)2(NH2CCH3CH2C6H3OHOHCOO)(1+)*ClO4(1-)*4H2O=Ru(N2C10H8)2(NH2CCH3CH2C6H3OHOHCOO)ClO4*4H2O

Ru(N2C10H8)2(NH2CCH3CH2C6H3OHOHCOO)(1+)*ClO4(1-)*4H2O=Ru(N2C10H8)2(NH2CCH3CH2C6H3OHOHCOO)ClO4*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water Ru-complex was refluxed in mixt. of H2O and EtOH, to this soln. was added ligand followed by aq. NaOH, mixt. was heated at 70°C for 30 min, cooled to room temp., filtered, aq. soln. of NaClO4 was added, mixt.was stored in the dark for 48 h; solid was collected at the pump, washed with ice-cold H2O, dried in vac. over silica gel at room temp.; elem. anal.;48%
1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose
6974-32-9

1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose

methyldopa
555-30-6

methyldopa

A

methyl-2 <(tri-O-benzoyl-2',3',5' β-D-ribofuranosyl)-3 hydroxy-4 phenyl>-3 alanine
79439-78-4

methyl-2 <(tri-O-benzoyl-2',3',5' β-D-ribofuranosyl)-3 hydroxy-4 phenyl>-3 alanine

B

N-acetyl tri-O-benzoyl-2,3,5-D-ribofuranosylamine
6988-74-5, 79439-69-3, 79439-83-1

N-acetyl tri-O-benzoyl-2,3,5-D-ribofuranosylamine

C

1-O-acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose
14215-97-5

1-O-acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In acetonitrile for 48h; Ambient temperature; Further byproducts given. Yields of byproduct given;A 46%
B n/a
C n/a
D-Glucose
2280-44-6

D-Glucose

methyldopa
555-30-6

methyldopa

A

N-(1'-deoxy-β-D-fructopyranos-1'-yl)-L-α-methyldopa

N-(1'-deoxy-β-D-fructopyranos-1'-yl)-L-α-methyldopa

B

(1R,1S',S,3S)-1-(D-glucopentitol-1'-yl)-3-carboxy-3-methyl-7,8-dihydroxy-1,2,3,4-tetrahydroisoquinoline

(1R,1S',S,3S)-1-(D-glucopentitol-1'-yl)-3-carboxy-3-methyl-7,8-dihydroxy-1,2,3,4-tetrahydroisoquinoline

C

(1R,1S',S,3S)-1-(D-glucopentitol-1'-yl)-3-carboxy-3-methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline

(1R,1S',S,3S)-1-(D-glucopentitol-1'-yl)-3-carboxy-3-methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline

D

(1S,1S',S,3S)-1-(D-glucopentitol-1'-yl)-3-carboxy-3-methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline

(1S,1S',S,3S)-1-(D-glucopentitol-1'-yl)-3-carboxy-3-methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline

Conditions
ConditionsYield
In phosphate buffer at 90℃; for 3h; pH=7.4; Pictet-Spengler reaction;A 16%
B 20%
C 30%
D 10%
N-(3-hydroxypropyl)acetamide
10601-73-7

N-(3-hydroxypropyl)acetamide

methyldopa
555-30-6

methyldopa

(S)-2-Amino-3-(3,4-dihydroxy-phenyl)-2-methyl-propionic acid 3-acetylamino-propyl ester
55943-46-9

(S)-2-Amino-3-(3,4-dihydroxy-phenyl)-2-methyl-propionic acid 3-acetylamino-propyl ester

Conditions
ConditionsYield
(i) SOCl2, (ii) /BRN= 1744826/, DMF; Multistep reaction;
methyldopa
555-30-6

methyldopa

acetic anhydride
108-24-7

acetic anhydride

(S)-4-(3,4-diacetoxy-benzyl)-2,4-dimethyl-4H-oxazol-5-one
7781-05-7, 10144-61-3, 93009-71-3

(S)-4-(3,4-diacetoxy-benzyl)-2,4-dimethyl-4H-oxazol-5-one

Conditions
ConditionsYield
In pyridine
methyldopa
555-30-6

methyldopa

benzyl chloride
100-44-7

benzyl chloride

α-methyldopa benzyl ester
58780-60-2

α-methyldopa benzyl ester

Conditions
ConditionsYield
In dimethyl sulfoxide
With tetra(n-butyl)ammonium hydrogensulfate 1.) DMF, RT, 1 h, 2.) DMF, 60 deg C, 6 h; Yield given. Multistep reaction;
methyldopa
555-30-6

methyldopa

4-bromomethyl-1,3-dioxa-5-methylcyclopentene-2-one
80715-22-6

4-bromomethyl-1,3-dioxa-5-methylcyclopentene-2-one

(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl (S)-3-hydroxy-α-methyltyrosinate
86005-09-6

(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl (S)-3-hydroxy-α-methyltyrosinate

Conditions
ConditionsYield
With N,N-dimethyl-formamide for 3h; Ambient temperature;
methyldopa
555-30-6

methyldopa

4-(bromomethyl)-5-(tert-butyl)-1,3-dioxol-2-one
86005-12-1

4-(bromomethyl)-5-(tert-butyl)-1,3-dioxol-2-one

(5-tert-butyl-2-oxo-1,3-dioxol-4-yl)methyl (S)-3-hydroxy-α-methyltyrosinate
86016-62-8

(5-tert-butyl-2-oxo-1,3-dioxol-4-yl)methyl (S)-3-hydroxy-α-methyltyrosinate

Conditions
ConditionsYield
With N,N-dimethyl-formamide at 20 - 25℃; for 3h;
methyldopa
555-30-6

methyldopa

(D)-3-(Benzoylthio)-2-methylpropanoic acid
74431-50-8

(D)-3-(Benzoylthio)-2-methylpropanoic acid

N-(S-benzoyl-3-mercapto-2-methylpropanoyl)-L-α-methyldopa
79559-48-1, 79559-49-2

N-(S-benzoyl-3-mercapto-2-methylpropanoyl)-L-α-methyldopa

Conditions
ConditionsYield
With sodium borate; triethylamine; isobutyl chloroformate 1.) THF, -10 deg C, 10 min, 2.) THF, water, room temperature, 1h; Yield given. Multistep reaction;
methyldopa
555-30-6

methyldopa

5,6-dihydroxy-2-methyl indole
4821-01-6

5,6-dihydroxy-2-methyl indole

Conditions
ConditionsYield
With sodium hydrogencarbonate; potassium hexacyanoferrate(III) In water2.10 g
methyldopa
555-30-6

methyldopa

α-methyldopamine
555-64-6

α-methyldopamine

Conditions
ConditionsYield
With NH4OH-NH4Cl buffer; pyridoxal 5'-phosphate at 30℃; for 0.5h; relative rate of CO2 evolution by aromatic L-amino acid decarboxylase from Micrococcus percitreus;
methyldopa
555-30-6

methyldopa

L-α-methyldopaquinone

L-α-methyldopaquinone

Conditions
ConditionsYield
With sodium azide; dinitrogen monoxide In water Kinetics; Irradiation; pulse radiolysis;
With oxygen In phosphate buffer at 20℃; pH=6.8; Enzyme kinetics; Further Variations:; Reagents;
In aq. phosphate buffer pH=7; Kinetics; pH-value; Electrochemical reaction;
methyldopa
555-30-6

methyldopa

acetic anhydride
108-24-7

acetic anhydride

(2S)-N-acetyl-3-(3',4'-diacetoxyphenyl)-2-methylalanine
6892-05-3

(2S)-N-acetyl-3-(3',4'-diacetoxyphenyl)-2-methylalanine

Conditions
ConditionsYield
With pyridine at 95℃; for 3h; Yield given;
thiobenzoic acid potassium salt
28170-13-0

thiobenzoic acid potassium salt

methyldopa
555-30-6

methyldopa

2-Bromopropionyl chloride
7148-74-5

2-Bromopropionyl chloride

N-(S-benzoyl-2-mercaptopropanoyl)-L-α-methyldopa
72634-60-7

N-(S-benzoyl-2-mercaptopropanoyl)-L-α-methyldopa

Conditions
ConditionsYield
With sodium borate; sodium hydroxide 1.) water, ether, 1h, room temperature, 1h, 2.) water, ether, room temperature, overnight; Yield given. Multistep reaction;
methyldopa
555-30-6

methyldopa

6-hydroxy-2-methyl-5-oxo-3,5-dihydro-2H-indole-2-carboxylic acid

6-hydroxy-2-methyl-5-oxo-3,5-dihydro-2H-indole-2-carboxylic acid

Conditions
ConditionsYield
With sodium periodate In phosphate buffer for 0.166667h; pH=6.0; Oxidation; cyclization;

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View