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Josun International Limited

Dear Friend, welcome you choose us ! And thank you very much for trust us! We are professional API and Chemcial supplier , we can provide you with good price and good service. ====================================================== Pls see bel

Calcium pantothenate/D-(+)-Pantothenic acid calcium salt

Cas:137-08-6

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

ShangHai Soyoung Biotechnology Inc

Shanghai SOYOUNG onsite assessment conducted by Bureau Veritas commissioned at June 2018. Assessed Supplier of Shanghai SOYOUNG is a faithful and professional supplier of health raw materials in pharmacy, food, cosmetic and other fields for many year

Calcium pantothenate of Vitamin B5 137-08-6 Calcium D-Pantothenate

Cas:137-08-6

Min.Order:25 Kilogram

FOB Price: $30.0

Type:Lab/Research institutions

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Xi'an Quanao Biotech Co., Ltd.

Food Supplement Immurity improve D-panthenol / D panthenol Provitamin B5 powder 99% Xi'an Quanao Biotech Co., Ltd. is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, fo

Food Supplement Immurity improve D-panthenol / D panthenol Provitamin B5 powder 99%

Cas:137-08-6

Min.Order:100 Kilogram

FOB Price: $35.0 / 39.0

Type:Manufacturers

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Leader Biochemical Group

Overview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie

China Biggest Factory & Manufacturer supply D-Calcium Pantothenate (Vitamin B5) 500MT/Year

Cas:137-08-6

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White crystal powder Storage:R.T Package:25kg/drum Application:Food additive Transportation:Express/Sea/Air Port:Any port in China

D-Calcium Pantothenate(Vitamin B5) cas 137-08-6

Cas:137-08-6

Min.Order:25 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012. Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours. Q3:Which kind of payment

Vitamin B5 CAS 137-08-6 Calcium Pantothenate ,dl panthenol with factory supply

Cas:137-08-6

Min.Order:1 Kilogram

FOB Price: $25.0

Type:Trading Company

inquiry

Purestar Chem Enterprise Co.,Ltd

D-Calcium Pantothenate English Name:D-Calcium Pantothenate Common Name:Dextro-calcium pantothenate Other Name:Vitamin B5 CAS:137-08-6 M.F.:C18H32CaN2O10 M.W.:476.53 Structural Formula: Properties:D-calcium pantothenate is a white powder, n

D-Calcium Pantothenate

Cas:137-08-6

Min.Order:1 Metric Ton

FOB Price: $6.0

Type:Trading Company

inquiry

Xinyang Longye Chemical CO.,LTD

Our Strength 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, Accept any third party agency inspection and analysis before shipment fr

D-Calcium Pantothenate

Cas:137-08-6

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Golden Pharma Co., Limited

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

Calcium Pantothenate

Cas:137-08-6

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Cartoon Ingredients Co., Ltd

Cartoon Ingredients Co.,Ltd.is located in NanJing, the capital of Jiangsu Province.with Convenient traffic As a manufacturer, the company mainly engaged in providing Food ingredients, Herbal extracts, Vitamins, APIs and Fine chemicals &a

Calcium pantothenate

Cas:137-08-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

Calcium pantothenate Manufacturer/High quality/Best price/In stock

Cas:137-08-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Calcium D-pantothenate supplier in China

Cas:137-08-6

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

QuickDetails CASNo.: 137-08-6 OtherNames: …Appearance:White powder Storage:Preserve in tightly sealed,light and oxygen resistant containers Pa

Calcium pantothenate

Cas:137-08-6

Min.Order:1 Kilogram

FOB Price: $100.0

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 137-08-6 Vitamin B5

Cas:137-08-6

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ

Calcium pantothenate CAS NO.137-08-6

Cas:137-08-6

Min.Order:100 Gram

FOB Price: $2.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for D-calcium pantothenate Cas 137-08-6 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White Powder Storage:2-8°C Package:1kg/foil bag, 25kg/d

Bottom price high quality D-calcium pantothenate Cas 137-08-6 with fast delivery

Cas:137-08-6

Min.Order:1 Kilogram

FOB Price: $50.0

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

Factory price D-Calcium pantothenate,VB5 for hot sale/cas:137-08-6 1.Basic information: 1. Product Name: Vitamin B5(D-Calcium pantothenate) Chemical Name: b-Alanine,N-(2,4-dihydroxy-3,3-dimethyl-1-oxobutyl)-,calcium saltb

Factory offer D-Calcium pantothenate,VB5 for hot sale/cas:137-08-6

Cas:137-08-6

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

The company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance:White or off-white Solid Storage:Sealed, dr

VITAMIN B5(CALCIUM PANTOTHENATE)(SH)

Cas:137-08-6

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

Hangzhou Think Chemical Co. Ltd

D-Pantothenate Calcium CAS:137-08-6 Name Calcium pantothenate Synonyms Vitamin B5; Pantothenic acid calcium salt; D-(+)-Pantothenic acid calcium salt

D-CALCIUM PANTOTHENATE

Cas:137-08-6

Min.Order:25 Kilogram

Negotiable

Type:Other

inquiry

EAST CHEMSOURCES LIMITED

d-pantothenate calcium Properties:D-Calcium Pantothenate is a white powder,no smelly odor,tastes a little bitter,has hydroscopic property.It's aqueous solution shows neutrality or slightly alkaline,easy to dissolve in water,slightly soluble i

d-pantothenate calcium

Cas:137-08-6

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

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 Calcium D-pantothenate

Cas:137-08-6

Min.Order:1

Negotiable

Type:Other

inquiry

Baoding Faithful Industry Co., Ltd.

Sales: 1.24hours to reply your E-mail 2.Market information trend share with customers Suggestion for purchase decision Reputation: 1.Implementing contract terms strictly 2.Timely solve any discrepancy or goods claims Take our responsibility for loss

Food Grade Calcium Pantothenate Vitamin B5 Powder

Cas:137-08-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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 Quality Food Grade D-Calcium Pantothenate (Vitamin B5) 137-08-6 HACCP Manufacturer

Cas:137-08-6

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

VB5

Cas:137-08-6

Min.Order:10 Metric Ton

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

Vitamin B5

Cas:137-08-6

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

CHemwill -- D-Calcium Pantothenate (Vitamin B5)

Cas:137-08-6

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

D-(+)-Pantothenic acid calcium salt Basic information Product Name: D-(+)-Pantothenic acid calcium salt Synonyms: CALCIUM (+)-PANTOTHENATE;CALCIUM PANTOTHENATE;CALCIUM D-(+)-PANTOTHENATE

TIANFU-CHEM CAS:137-08-6 D-(+)-Pantothenic acid calcium salt

Cas:137-08-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Hebei Nengqian Chemical Import and Export Co., LTD.. is located in xingtai City, Hebei Province, China. It is a biotechnology enterprise engaged in the research, development, production and sales of animal and plant extracts, cosmetics, pharmaceutica

Calcium pantothenate Manufacturer/High quality/Best price/In stock CAS NO.137-08-6

Cas:137-08-6

Min.Order:1 Gram

FOB Price: $12.0 / 15.0

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 137-08-6 with best quality

Cas:137-08-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

Synthetic route

D-pantolactone
176374-84-8

D-pantolactone

calcium beta-alaninate
36321-40-1

calcium beta-alaninate

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

Conditions
ConditionsYield
Stage #1: calcium beta-alaninate In ethanol at 75℃; for 6h;
Stage #2: D-pantolactone In ethanol at 75℃; for 16h; Temperature;
96%
calcium beta-alaninate
36321-40-1

calcium beta-alaninate

(R)-Pantolacton
599-04-2

(R)-Pantolacton

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

Conditions
ConditionsYield
With sodium chloride; calcium oxide Reagent/catalyst; Milling;71%
Stage #1: (R)-Pantolacton In methanol for 1h; Heating; Large scale; Green chemistry;
Stage #2: calcium beta-alaninate In methanol for 2h; Reflux; Large scale; Green chemistry;
sodium β-alaninate
16690-93-0

sodium β-alaninate

(R)-Pantolacton
599-04-2

(R)-Pantolacton

A

calcium pantoate

calcium pantoate

B

calcium panto-β-alanyl-β-alaninate

calcium panto-β-alanyl-β-alaninate

C

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

Conditions
ConditionsYield
In methanol Product distribution / selectivity;
Conditions
ConditionsYield
In methanol; water at 35℃; Resolution of racemate;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

pantothenic acid
79-83-4

pantothenic acid

Conditions
ConditionsYield
With oxalic acid In water at 20℃; for 2h;95.11%
With (1S)-10-camphorsulfonic acid; trifluoroacetic acid at 0℃;
With Amberlite IR-120 In water Inert atmosphere;
With oxalic acid In water at 20℃; for 2h;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

isopropyl alcohol
67-63-0

isopropyl alcohol

(R)-isopropyl 3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanoate
131205-05-5

(R)-isopropyl 3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanoate

Conditions
ConditionsYield
With hydrogenchloride In water at 0 - 20℃; Reflux;90%
p-Anisaldehyde dimethyl acetal
2186-92-7

p-Anisaldehyde dimethyl acetal

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

3-{[(4R)-2-(p-methoxyphenyl)-5,5-dimethyl-1,3-dioxan-4-yl]carbonylamino}propionic acid
864239-47-4

3-{[(4R)-2-(p-methoxyphenyl)-5,5-dimethyl-1,3-dioxan-4-yl]carbonylamino}propionic acid

Conditions
ConditionsYield
Stage #1: calcium (R)-pantothenate With sulfuric acid In N,N-dimethyl-formamide for 1h; Inert atmosphere;
Stage #2: p-Anisaldehyde dimethyl acetal In N,N-dimethyl-formamide for 16h; Inert atmosphere;
75%
Stage #1: calcium (R)-pantothenate With sulfuric acid In acetone at 20℃; for 2h;
Stage #2: p-Anisaldehyde dimethyl acetal With toluene-4-sulfonic acid In acetone at 20℃; for 37h;
34%
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

acetone
67-64-1

acetone

3-{[(4R)-2,2,5,5-tetramethyl-1,3-dioxan-4-yl]carbonylamino}propionic acid
167308-62-5

3-{[(4R)-2,2,5,5-tetramethyl-1,3-dioxan-4-yl]carbonylamino}propionic acid

Conditions
ConditionsYield
With toluene-4-sulfonic acid at 20℃; for 16h; Inert atmosphere; Molecular sieve;73%
With toluene-4-sulfonic acid at 20℃; for 18h; Molecular sieve;55%
With toluene-4-sulfonic acid at 20℃; Molecular sieve;36.8%
1-[(2-aminoethyl)sulfanyl]ethan-1-one hydrochloride
17612-91-8

1-[(2-aminoethyl)sulfanyl]ethan-1-one hydrochloride

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

(R)-S-(2-(3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanamido)ethyl) ethanethioate
6098-36-8

(R)-S-(2-(3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanamido)ethyl) ethanethioate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N,N-tetramethyluroniumhexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 1h;73%
(E)-4-(phenylsulfonyl)but-3-en-1-amine hydrochloride
1256166-26-3

(E)-4-(phenylsulfonyl)but-3-en-1-amine hydrochloride

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

(R,E)-2,4-dihydroxy-3,3-dimethyl-N-(3-oxo-3-(4-(phenylsulfonyl)but-3-enylamino)propyl)-butanamide
1245941-20-1

(R,E)-2,4-dihydroxy-3,3-dimethyl-N-(3-oxo-3-(4-(phenylsulfonyl)but-3-enylamino)propyl)-butanamide

Conditions
ConditionsYield
With N-ethylmorpholine;; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃;64%
tert-butyl (E)-5-aminopent-2-enoate hydrochloride
1256165-12-4

tert-butyl (E)-5-aminopent-2-enoate hydrochloride

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

tert-butyl (R,E)-5-(3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanamido)pent-2-enoate
1245941-17-6

tert-butyl (R,E)-5-(3-(2,4-dihydroxy-3,3-dimethylbutanamido)propanamido)pent-2-enoate

Conditions
ConditionsYield
With N-ethylmorpholine;; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃;59%
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

3-{[(4R)-2,2,5,5-tetramethyl-1,3-dioxan-4-yl]carbonylamino}propionic acid
167308-62-5

3-{[(4R)-2,2,5,5-tetramethyl-1,3-dioxan-4-yl]carbonylamino}propionic acid

Conditions
ConditionsYield
With oxalic acid In acetone for 20h; Molecular sieve; Inert atmosphere; Reflux;52%
ethanol
64-17-5

ethanol

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

ethyl D-pantothenate
10527-68-1

ethyl D-pantothenate

Conditions
ConditionsYield
With sulfuric acid Reflux; Inert atmosphere;35%
With sulfuric acid Reflux;
C21H42N4O5S

C21H42N4O5S

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

C30H57N5O9S

C30H57N5O9S

Conditions
ConditionsYield
With 4-methyl-morpholine; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In N,N-dimethyl-formamide at 20℃;35%
C19H31N3O6
1620159-28-5

C19H31N3O6

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

C28H46N4O10
1620159-36-5

C28H46N4O10

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane20%
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

2-hexyldecanoic acid chloride
74918-57-3

2-hexyldecanoic acid chloride

3-[N-(4-(2-hexyldecanoyl)oxy-3,3-dimethyl-2-hydroxybutyryl)amino]propionic acid

3-[N-(4-(2-hexyldecanoyl)oxy-3,3-dimethyl-2-hydroxybutyryl)amino]propionic acid

Conditions
ConditionsYield
With pyridine; dmap In tetrahydrofuran at 50℃; for 6.5h;11.4%
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

n-hexadecanoyl chloride
112-67-4

n-hexadecanoyl chloride

3-[N-(4-hexadecanoyloxy-3,3-dimethyl-2-hydroxybutyryl)amino]propionic acid

3-[N-(4-hexadecanoyloxy-3,3-dimethyl-2-hydroxybutyryl)amino]propionic acid

Conditions
ConditionsYield
With pyridine; dmap In tetrahydrofuran at 25℃; for 6.5h;9.5%
2,2'-dithio-bis[ethylamine]
51-85-4

2,2'-dithio-bis[ethylamine]

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

Conditions
ConditionsYield
(i) Et3N, oxalic acid, (ii) ClCO2Et, DMF, (iii) /BRN= 1736027/, MeOH; Multistep reaction;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

3-amino propanoic acid
107-95-9

3-amino propanoic acid

Conditions
ConditionsYield
In water; sodium chloride at 18℃; Product distribution; Irradiation; other temperature;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

cyclohexanone
108-94-1

cyclohexanone

3-[((R)-3,3-Dimethyl-1,5-dioxa-spiro[5.5]undecane-2-carbonyl)-amino]-propionic acid
215168-67-5

3-[((R)-3,3-Dimethyl-1,5-dioxa-spiro[5.5]undecane-2-carbonyl)-amino]-propionic acid

Conditions
ConditionsYield
With 3 Angstroem MS; sulfuric acid; orthoformic acid triethyl ester 1.) 100 deg C, 5 min, 2. ) dioxane, 0 deg C to rt, overnight; Yield given. Multistep reaction;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

A

2,2-dimethyl-3-hydroxypropionaldehyde
597-31-9

2,2-dimethyl-3-hydroxypropionaldehyde

B

carbon dioxide
124-38-9

carbon dioxide

C

calcium beta-alaninate
36321-40-1

calcium beta-alaninate

Conditions
ConditionsYield
With sodium hydroxide; potassium permanganate; sodium perchlorate In water at 25℃; for 8h; Kinetics; Further Variations:; Reagents; Temperatures;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

zinc(II) sulfate
7733-02-0

zinc(II) sulfate

Zn(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)2*H2O

Zn(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)2*H2O

Conditions
ConditionsYield
In water byproducts: CaSO4; addn. of 0.01 mol ZnSO4 soln. to a soln. of 0.01 mol Ca-pantothenate in water; filtration of CaSO4; evaporation to dryness in a water bath;; extraction by ethanol with heating in a water bath; evaporation to dryness; washing with ethanol and ether; elem. anal.;;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

copper(II) sulfate
7758-99-8

copper(II) sulfate

Cu(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)2*H2O

Cu(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)2*H2O

Conditions
ConditionsYield
In water byproducts: CaSO4; addn. of 0.01 mol CuSO4 soln. to a soln. of 0.01 mol Ca-pantothenate in water; filtration of CaSO4; evaporation to dryness in a water bath;; extraction by ethanol with heating in a water bath; evaporation to dryness; washing with ethanol and ether; elem. anal.;;
nickel(II) sulphate

nickel(II) sulphate

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

Ni(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)2(H2O)2*2H2O

Ni(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)2(H2O)2*2H2O

Conditions
ConditionsYield
In water byproducts: CaSO4; addn. of 0.01 mol NiSO4 soln. to a soln. of 0.01 mol Ca-pantothenate in water; filtration of CaSO4; evaporation to dryness in a water bath;; extraction by ethanol with heating in a water bath; evaporation to dryness; washing with ethanol and ether; elem. anal.;;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

cobalt(II) chloride
7646-79-9

cobalt(II) chloride

Co(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)Cl(H2O)

Co(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)Cl(H2O)

Conditions
ConditionsYield
In water addn. of a satd. aq. soln. of 0.02 mol CoCl2 soln. to a soln. of 0.01 mol Ca-pantothenate in water; addn. of acetone; pptn.; separation;; washing with acetone and ether; elem. anal.;;
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

nickel dichloride

nickel dichloride

Ni(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)Cl(H2O)3

Ni(OCO(CH2)2NHC(O)CH(OH)C(CH3)2CH2OH)Cl(H2O)3

Conditions
ConditionsYield
In water addn. of a satd. aq. soln. of 0.02 mol NiCl2 soln. to a soln. of 0.01 mol Ca-pantothenate in water; addn. of acetone; pptn.; separation;; washing with acetone and ether; elem. anal.;;
(E)-5-amino-1-phenylpent-2-en-1-one trifluoroacetate salt
1256165-14-6

(E)-5-amino-1-phenylpent-2-en-1-one trifluoroacetate salt

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

(R,E)-2,4-dihydroxy-3,3-dimethyl-N-(3-oxo-3-(5-oxo-5-phenylpent-3-enylamino)propyl)-butanamide
1245941-18-7

(R,E)-2,4-dihydroxy-3,3-dimethyl-N-(3-oxo-3-(5-oxo-5-phenylpent-3-enylamino)propyl)-butanamide

Conditions
ConditionsYield
With N-ethylmorpholine;; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃;0.263 g
(E)-4-(methylsulfonyl)but-3-en-1-amine hydrochloride
1256166-02-5

(E)-4-(methylsulfonyl)but-3-en-1-amine hydrochloride

calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

(R,E)-2,4-dihydroxy-3,3-dimethyl-N-(3-(4-(methylsulfonyl)but-3-enylamino)-3-oxopropyl)-butanamide
1245941-19-8

(R,E)-2,4-dihydroxy-3,3-dimethyl-N-(3-(4-(methylsulfonyl)but-3-enylamino)-3-oxopropyl)-butanamide

Conditions
ConditionsYield
With N-ethylmorpholine;; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃;0.174 g
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

(4R)-N-(3-((4-((tert-butyldimethylsilyl)oxy)-4-(2-nitrophenyl)butyl)amine)-3-oxo-propyl)-2,2,5,5-tetramethyl-1,3-dioxane-4-carboxamide
1401067-68-2

(4R)-N-(3-((4-((tert-butyldimethylsilyl)oxy)-4-(2-nitrophenyl)butyl)amine)-3-oxo-propyl)-2,2,5,5-tetramethyl-1,3-dioxane-4-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: oxalic acid / acetone / 20 h / Molecular sieve; Inert atmosphere; Reflux
2: dicyclohexyl-carbodiimide; 4-hydroxybenzotriazole / N,N-dimethyl-formamide / 19 h / 5 - 20 °C / Inert atmosphere
View Scheme
calcium (R)-pantothenate
137-08-6

calcium (R)-pantothenate

(4R)-N-(3-((4-(2-aminophenyl)-4-((tert-butyldimethylsilyl)oxy)-butyl)amino)-3-oxopropyl)-2,2,5,5-tetramethyl-1,3-dioxane-4-carboxamide
1401067-69-3

(4R)-N-(3-((4-(2-aminophenyl)-4-((tert-butyldimethylsilyl)oxy)-butyl)amino)-3-oxopropyl)-2,2,5,5-tetramethyl-1,3-dioxane-4-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: oxalic acid / acetone / 20 h / Molecular sieve; Inert atmosphere; Reflux
2: dicyclohexyl-carbodiimide; 4-hydroxybenzotriazole / N,N-dimethyl-formamide / 19 h / 5 - 20 °C / Inert atmosphere
3: 10% Pd/C; hydrogen / ethyl acetate / 20 h / 20 °C / Inert atmosphere
View Scheme

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