CAS No.6236-09-5,(S)-(+)-CITRAMALIC ACID Suppliers

Shanghai Upbio Tech Co.,Ltd

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Butanedioic acid,2-hydroxy-2-methyl-, (2S)-

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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine chemicals, ph

(S)-2-HYDROXY-2-METHYLSUCCINIC ACID

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Qingdao Beluga Import and Export Co., LTD

(S)-(+)-CITRAMALIC ACID CAS:6236-09-5 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 i

(S)-(+)-CITRAMALIC ACID CAS:6236-09-5

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Butanedioic acid,2-hydroxy-2-methyl-, (2S)-

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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

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

Butanedioic acid,2-hydroxy-2-methyl-, (2S)-

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Henan Tianfu Chemical Co., Ltd.

1.Our services：A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Butanedioic acid,2-hydroxy-2-methyl-, (2S)-

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Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

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Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

(S)-(+)-CITRAMALIC ACID

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Application:Medical or chemical

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ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

(S)-(+)-CITRAMALIC ACID

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Chemical Technology Co.,LTD

1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi

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Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

Butanedioic acid,2-hydroxy-2-methyl-, (2S)-

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Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the (S)-(+)-CITRAMALIC ACID, CAS:6236-09-5 with the most competitive price and the best q

(S)-(+)-CITRAMALIC ACID

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Nanjing Raymon Biotech Co., Ltd.

Butanedioic acid,2-hydroxy-2-methyl-, (2S)-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By

Butanedioic acid,2-hydroxy-2-methyl-, (2S)-

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Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

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Changzhou Foreign Trade Corp

CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio

(S)-2-hydroxy-2-methylsuccinic acid

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Chemical Co.Ltd

Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en

Butanedioic acid,2-hydroxy-2-methyl-, (2S)-

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Synthetic route

: 93239-42-0
(R)-4-methyl-4-(trichloromethyl)-2-oxetanone

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
With sodium hydroxide In water 1.) 5 deg C; 2.) room temperature;	96%
With sodium hydroxide at 20℃; Hydrolysis;

: (2'R,4'S)-2-<2'-(tert-Butyl)-4'-methyl-1',3'-dioxolan-4'-yl>essigsaeure

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
With hydrogenchloride at 80℃; for 19h;	80%

: 498-24-8
Mesaconic acid

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
With formaldehyd; TETRACYCLINE; paraquat dichloride In water at 37℃; for 24h; Clostridium formicoaceticum, phosphate buffer;	69.8%
mit Hilfe eines Mesaconase-Praeparats;

: 597-44-4
2-hydroxy-2-methylbutane-1,4-dioic acid

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
With strychnidin-10-one
With water; brucine

: 32814-40-7
S-(+)-Methyl-γ-iodo-β-carbomethoxy-β-hydroxy-butyrat

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
(i) NaSH, H2S, EtOH, (ii) Raney-Ni, acetone, (iii) aq. HCl; Multistep reaction;

: 92572-49-1
<(2S,4S)-2-tert-butyl-4-methyl-5-oxo-1,3-dioxolan-4-yl>acetic acid

: 6236-09-5
(S)-citramalic acid

: (2R,3S,5S)-5-((R)-1,2-Dihydroxy-ethyl)-3-methyl-tetrahydro-furan-2,3-diol

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
With potassium hydroxide; potassium permanganate 1.) water, 4-5 deg C, 1 h; Yield given. Multistep reaction;

: (S)-2-Hydroxy-2-methyl-succinic acid 1-((1S,2R)-2-phenyl-cyclohexyl) ester

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
With potassium hydroxide In tetrahydrofuran at 60℃; for 24h;

: 32150-78-0
(4S)-(+)-4-methylmuconolactone

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
With nitric acid; ozone 1.) CH2Cl2, -70 deg C; 2.) H2O, 90 deg C; Multistep reaction;

: 197069-14-0
1-benzyl hydrogen 2-hydroxy-2-methylbutanedioate

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
With potassium hydroxide Hydrolysis;

: (2E,4E,7S,8E,10E,12E,14S)-7,9,13,17-tetramethyl-7,14-dihydroxy-2,4,8,10,12,16-octadecahexaenoic acid

A: 6236-09-5
(S)-citramalic acid

B: 144-62-7
oxalic acid

C: 64-19-7
acetic acid

D: 127-17-3
2-oxo-propionic acid

Conditions

Conditions	Yield
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts;

...Expand

: (2E,4E,7S,8E,10E,12E,14S)-7,9,13,17-tetramethyl-7,14-dihydroxy-2,4,8,10,12,16-octadecahexaenoic acid

A: 6236-09-5
(S)-citramalic acid

B: 141-82-2
malonic acid

C: 144-62-7
oxalic acid

D: 127-17-3
2-oxo-propionic acid

Conditions

Conditions	Yield
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts;

...Expand

: 14-O-β-D-glucopyranosyl-(2E,4E,7S,8E,10E,12E,14R)-7,9,13,17-tetramethyl-7,14-dihydroxy-2,4,8,10,12,16-octadecahexaenoic acid

A: 6236-09-5
(S)-citramalic acid

B: 144-62-7
oxalic acid

C: 64-19-7
acetic acid

D: 127-17-3
2-oxo-propionic acid

Conditions

Conditions	Yield
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts;

...Expand

: 14-O-β-D-glucopyranosyl-(2E,4E,7S,8E,10E,12E,14R)-7,9,13,17-tetramethyl-7,14-dihydroxy-2,4,8,10,12,16-octadecahexaenoic acid

A: 6236-09-5
(S)-citramalic acid

B: 141-82-2
malonic acid

C: 64-19-7
acetic acid

D: 127-17-3
2-oxo-propionic acid

Conditions

Conditions	Yield
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts;

...Expand

: 14-O-α-D-glucopyranosyl-(2E,4E,7S,8E,10E,12E,14S)-7,9,13,17-tetramethyl-7,14-dihydroxy-2,4,8,10,12,16-octadecahexaenoic acid

A: 6236-09-5
(S)-citramalic acid

B: 144-62-7
oxalic acid

C: 64-19-7
acetic acid

D: 127-17-3
2-oxo-propionic acid

Conditions

Conditions	Yield
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts;

...Expand

: 14-O-α-D-glucopyranosyl-(2E,4E,7S,8E,10E,12E,14S)-7,9,13,17-tetramethyl-7,14-dihydroxy-2,4,8,10,12,16-octadecahexaenoic acid

A: 6236-09-5
(S)-citramalic acid

B: 141-82-2
malonic acid

C: 144-62-7
oxalic acid

D: 127-17-3
2-oxo-propionic acid

Conditions

Conditions	Yield
With ozone In dichloromethane at -78℃; for 0.0833333h; Further byproducts given. Title compound not separated from byproducts;

...Expand

: 104194-10-7
(2R,5S)-2-(tert-Butyl)-5-methyl-5-(2'-nitroethyl)-1,3-dioxolan-4-on

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 70 percent / NaNO2, BuNO2 / dimethylsulfoxide / 16 h / Ambient temperature 2: 80 percent / 2 N HCl / 19 h / 80 °C View Scheme

: 58109-21-0, 58109-22-1, 58109-23-2
methyl 5,6-O-cyclohexylidene-3-deoxy-2-C-methyl-β-D-arabino-hexofuranoside

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: Dowex 50W-X8 / dioxane; H2O / 1 h / 90 °C 2: 1.) KOH, KMnO4 / 1.) water, 4-5 deg C, 1 h View Scheme

: 32814-34-9
L-2-Hydroxyparaconic acid

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 2: NaI / acetone 3: (i) NaSH, H2S, EtOH, (ii) Raney-Ni, acetone, (iii) aq. HCl View Scheme

: 32814-35-0, 143954-94-3
R-(+)-Methyl-γ-(p-toluolsulfonyloxy)-β-carbomethoxy-β-hydroxybutyrat

: 6236-09-5
(S)-citramalic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: NaI / acetone 2: (i) NaSH, H2S, EtOH, (ii) Raney-Ni, acetone, (iii) aq. HCl View Scheme

: 186581-53-3, 908094-01-9
diazomethane

: 6236-09-5
(S)-citramalic acid

: 38574-61-7
(R)-2-hydroxy-2-methyl-butan-1,4-dioic acid dimethyl ester

Conditions

Conditions	Yield
In methanol	100%
In methanol; diethyl ether at 0℃;	94%

: 6236-09-5
(S)-citramalic acid

: 684-16-2
Hexafluoroacetone

: 184305-30-4
[(5S)-2,2-Bis(trifluoromethyl)-5-methyl-4-oxo-1,3-dioxolan-5-yl] acetic acid

Conditions

Conditions	Yield
In dimethyl sulfoxide at 20℃;	89%
In dimethyl sulfoxide	87%
In dimethyl sulfoxide at 20℃;	87%
In dimethyl sulfoxide at 20℃; Cyclization;

: 115-17-3
bromal

: 6236-09-5
(S)-citramalic acid

: 1108205-25-9
[(4S)-4-methyl-5-oxo-2-(tribromomethyl)-1,3-dioxolan-4-yl]acetic acid

Conditions

Conditions	Yield
With sulfuric acid; acetic acid at 0℃; for 2h;	87%

: 115-17-3
bromal

: 6236-09-5
(S)-citramalic acid

: [(4S)-4-methyl-5-oxo-2-(tribromomethyl)-1,3-dioxolan-4-yl]acetic acid

Conditions

Conditions	Yield
With sulfuric acid; acetic acid at 0℃; for 2h;	77%

: 6236-09-5
(S)-citramalic acid

: 60299-29-8
(S)-(-)-2-Methylbutane-1,2,4-triol

Conditions

Conditions	Yield
Stage #1: (S)-citramalic acid With methanol; sulfuric acid Stage #2: With lithium aluminium tetrahydride In tetrahydrofuran Further stages.;	72%
With dimethylsulfide borane complex In tetrahydrofuran; methanol at 0 - 60℃; for 1.5h;
Multi-step reaction with 2 steps 1: CH2Cl2; ethanol 2: LiAlH4 / tetrahydrofuran / Heating View Scheme
Multi-step reaction with 2 steps 2: 93 percent / lithium aluminium hydride / tetrahydrofuran / 18 h / Heating View Scheme

: nickel(II) chloride hexahydrate

: 6236-09-5
(S)-citramalic acid

: 7732-18-5
water

: diaqua((S)-2-hydroxy-2-methyl-butanedioate)nickel(II)

Conditions

Conditions	Yield
With KOH In ethanol; water High Pressure; heated at 180°C for 2 d; cooled, ppt. washed and rinsed (water, ethanol); elem. anal., TGA;	71%

...Expand

: cobalt(II) chloride hexahydrate

: 6236-09-5
(S)-citramalic acid

: 7732-18-5
water

: diaqua((S)-2-hydroxy-2-methyl-butanedioate)cobalt(II)

Conditions

Conditions	Yield
With KOH In ethanol; water High Pressure; heated at 180°C for 2 d; cooled, ppt. washed and rinsed (water, ethanol); elem. anal., TGA;	67%

...Expand

: manganese(II) chloride tetrahydrate

: 6236-09-5
(S)-citramalic acid

: 7732-18-5
water

: diaqua((S)-2-hydroxy-2-methyl-butanedioate)manganese(II)

Conditions

Conditions	Yield
With KOH In ethanol; water High Pressure; heated at 180°C for 2 d; cooled, ppt. washed and rinsed (water, ethanol); elem. anal., TGA;	59%

...Expand

: 6236-09-5
(S)-citramalic acid

: 300-85-6, 625-71-8
3-Hydroxybutyric acid

Conditions

Conditions	Yield
With 2,6-dimethylpyridine; 4,4'-dichlorodiphenyl disulfide; 10-methyl-9-(2,4,6-trimethylphenyl) acridinium tetrafluoroborate In 1,2-dichloro-ethane at 20℃; for 14h; Irradiation; Inert atmosphere; regioselective reaction;	52%

: 366-18-7
[2,2]bipyridinyl

: 12440-03-8, 772292-34-9, 121437-28-3, 22534-68-5
vanadium(IV) oxide sulfate hydrate

: 6236-09-5
(S)-citramalic acid

: [ΔVO(S-Hcitmal)(2,2′-bipyridine)]*2H2O

Conditions

Conditions	Yield
With potassium hydroxide In ethanol; water	39%

...Expand

: 6236-09-5
(S)-citramalic acid

: C20H23F2N3O2*(x)ClH

: (S)-4-(3-((2-(difluoromethoxy)-6-methylpyridin-3-yl)carbamoyl)-3-(2-isopropylphenyl)azetidin-1-yl)-2-hydroxy-2-methyl-4-oxobutanoic acid

Conditions

Conditions	Yield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;	29%

: 64-17-5
ethanol

: 6236-09-5
(S)-citramalic acid

: 42108-93-0
(S)-(+)-Citramalsaeure-diethylester

Conditions

Conditions	Yield
With sulfuric acid

: 67-56-1
methanol

: 6236-09-5
(S)-citramalic acid

: 38574-61-7
(R)-2-hydroxy-2-methyl-butan-1,4-dioic acid dimethyl ester

Conditions

Conditions	Yield
With hydrogenchloride at 55℃; for 48h;
With hydrogenchloride Esterification;	58.7 mg
With thionyl chloride
With thionyl chloride at 20℃;
With thionyl chloride at 20℃; for 3h; Cooling;

: 6236-09-5
(S)-citramalic acid

: 62875-07-4
(+/-)-2-methylbutane-1,2,4-triol

Conditions

Conditions	Yield
With lithium aluminium tetrahydride In tetrahydrofuran for 2h; Heating;

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Antimex Chemical Limied

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Synthetic route

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