ChemicalBook > CAS DataBase List > R-(+)-Lansoprazole

R-(+)-Lansoprazole

Product Name
R-(+)-Lansoprazole
CAS No.
138530-94-6
Chemical Name
R-(+)-Lansoprazole
Synonyms
Dexlansoprazole;TAK 390;T 168390;D-lansoprazole;Dexlansaprazole;Dexlanzoprazole;T 168390，TAK 390;(+)-Lansoprazole;R-(+)-Lansoprazole;Lansoprazole R-Isomer
CBNumber
CB71269821
Molecular Formula
C16H14F3N3O2S
Formula Weight
369.36
MOL File
138530-94-6.mol
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R-(+)-Lansoprazole Property

Melting point:
66-68?C
Boiling point:
555.8±60.0 °C(Predicted)
Density 
1.50±0.1 g/cm3(Predicted)
storage temp. 
Sealed in dry,2-8°C
solubility 
Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
9.56±0.10(Predicted)
color 
Off-White to Dark Brown
Stability:
Hygroscopic
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H317May cause an allergic skin reaction

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P314Get medical advice/attention if you feel unwell.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
SML2624
Product name
Dexlansoprazole
Purity
≥98% (HPLC)
Packaging
50mg
Price
$97.7
Updated
2024/03/01
Cayman Chemical
Product number
18235
Product name
(R)-Lansoprazole
Purity
≥98%
Packaging
10mg
Price
$32
Updated
2024/03/01
Cayman Chemical
Product number
18235
Product name
(R)-Lansoprazole
Purity
≥98%
Packaging
50mg
Price
$109
Updated
2024/03/01
Cayman Chemical
Product number
18235
Product name
(R)-Lansoprazole
Purity
≥98%
Packaging
100mg
Price
$199
Updated
2024/03/01
TRC
Product number
L175010
Product name
(R)-Lansoprazole
Packaging
50mg
Price
$70
Updated
2021/12/16
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R-(+)-Lansoprazole Chemical Properties,Usage,Production

Description

The mechanism of PPIs involves the irreversible binding to the hydrogen/potassium adenosine triphosphatase enzyme system, commonly referred to as the gastric proton pump, of the gastric parietal cell. As the last stage in gastric acid secretion, blockade of the gastric proton pump is an effective treatment for a variety of diseases requiring acid suppression, such as heartburn, peptic ulcers, and GERD. Dexlansoprazole is the latest PPI to hit the market, joining the ranks of omeprazole, rabeprazole, pantoprazole, esomeprazole, and lansoprazole, and is the Renantiomer of the racemic lansoprazole. Compared to its predecessors, dexlansoprazole exhibits improved pharmacokinetics with slower clearance and longer terminal half-life. In addition, dexlansoprazole utilizes a novel DDR technology; drug release is optimized through the use of granules with different pH-dependent dissolution profiles, thereby providing an initial release in the proximal small intestine within 1-2 h of administration followed by a subsequent release at distal regions of the small intestine several hours later. With its longer duration of action culminating in more effective acid suppression, dexlansoprazole may have an advantage over conventional PPIs that possess single release formulations (immediate or delayed). Similar to all PPIs, dexlansoprazole is a prodrug that consists of pyridine and benzimidazole rings with a latent sulfenamide moiety. In order to form the disulfide bond with cysteine residues of the proton pump, dexlansoprazole must be activated through two protonations followed by a spontaneous rearrangement to unmask the sulfenamide.

Description

Lansoprazole is a proton pump inhibitor that irreversibly inactivates the H+/K+-stimulated ATPase pumps in parietal cells, inhibiting gastric acid secretion and increasing intragastric pH. It is a 1:1 racemic mixture of (R)-lansoprazole and (S)-lansoprazole, both of which are pharmacologically active. (R)-Lansoprazole is an enantiomerically pure form of lansoprazole. It can inhibit acid formation in isolated canine parietal cells with an IC50 value of 59 nM and inhibit the H+/K+-ATPase with an IC50 value of 4.2 μM.

Chemical Properties

Brown Solid

Originator

Takeda (Japan)

Uses

antiulcer, proton pump inhibitor

Uses

Acts as a gastric proton pump inhibitor and an antiulcerative

Uses

The R-enantiomer of Lansoprazole; a gastric proton pump inhibitor. An antiulcerative

Definition

ChEBI: Dexlansoprazole is a sulfoxide and a member of benzimidazoles.

brand name

Kapidex

Clinical Use

Takeda Pharmaceuticals received approval of dexlansoprazole, a dual release formulation of the (R)-isomer of lansoprazol proton pump inhibitor (PPI) already in the market, from the FDA in January 2009. Dexlansoprazole is a delayed release capsule for the oncedaily, oral treatment of heartburn associated with symptomatic non-erosive gastroesophageal reflux disease (GERD), the healing of erosive esophagitis (EE) and the maintenance of healed EE. The dual release formulation is designed to provide two separate releases of medication, one at 1–2 h and then another at 4–5 h after treatment, for extended efficacy in the treatment of GERD.

Side effects

The most commonly recorded adverse reactions that occurred at a higher incidence than placebo were diarrhea, abdominal pain, nausea, vomiting, flatulence, and upper respiratory tract infection. As dexlansoprazole inhibits gastric acid secretion, its use is expected to interfere with the absorption of drugs with pH-dependent oral bioavailability. Since the HIV protease inhibitor atazanavir is dependent on gastric acid for absorption, dexlansoprazole should not be co-administered with atazanavir to avoid a loss of therapeutic efficacy. While co-administration of dexlansoprazole did not affect the pharmacokinetics of warfarin or INR (international normalized ratio: the ratio of a patient s prothrombin time to a normal sample), there have been reports of increased INR and prothrombin time in patients receiving concomitant treatment with PPIs and warfarin. Since increases in INR and prothrombin time may lead to abnormal bleeding and possibly death, concomitant use of dexlansoprazole and warfarin may necessitate monitoring for increases in INR and prothrombin time.

Synthesis

Similar to the synthesis of the chiral sulfoxide of armodafinil vide supra, the preparation of the chiral sulfoxide of lansoprazole utilized the catalytic oxidation method developed by Kagan and co-workers (the Scheme). Two routes have been reported that describe the preparation of dexlansoprazole on large scale. The first route developed by Takeda reacts commercially available thioether 29, also used to make lansoprazole, under the Kagan asymmetric oxidation conditions and the alternative route utilizes the cheaper commercial intermediate nitrosulfide 30 in the analogous asymmetric oxidation by Kagan). Thus, the catalyst complex consisting of (+)-DET, Ti(OiPr)4 and water was formed in the presence of thioether 29 in toluene at 30¨C40??C. The reaction mixture was then cooled to 5 ??C and DIPEA and cumene hydroperoxide (CMHP) were added to give, after aqueous work-up and in situ crystallization from the organic layer, dexlansoprazole (VI) in 98% ee. No yield was given in the patent. An alternate, but similar, sequence was also described wherein the nitrosulfide intermediate 30 was subjected to similar oxidative conditions that gave intermediate nitro compound 31 in 80% yield and 98% ee. Compound 31 was treated with KOH and trifluoroethanol to provide dexlansoprazole (VI).

R-(+)-Lansoprazole Preparation Products And Raw materials

Raw materials

Preparation Products

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R-(+)-Lansoprazole Suppliers

Canada 1 China 249 China Hong Kong 1 Germany 1 India 44 Italy 1 United Kingdom 2 United States 12 Global 311
Jigs Chemical Limited
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View Lastest Price from R-(+)-Lansoprazole manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
R-(+)-Lansoprazole 138530-94-6
Price
US $0.00-0.00/KG
Min. Order
1g
Purity
98%-102%
Supply Ability
10KG
Release date
2021-06-07
BEIJING SJAR TECHNOLOGY DEVELOPMENT CO., LTD.
Product
Dexlansoprazole 138530-94-6
Price
US $0.00/g
Min. Order
1g
Purity
More Than 99%
Supply Ability
50kg/Month
Release date
2024-09-06
Henan Fengda Chemical Co., Ltd
Product
R-(+)-Lansoprazole 138530-94-6
Price
US $8.00-0.40/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-03-22

138530-94-6, R-(+)-LansoprazoleRelated Search:

BISMUTH POTASSIUM CITRATE Lansoprazole N-Oxide Lansoprazole Sulfone N-Oxide 2-[[[4-(2,2,2-Trifluoroethoxy)-3-Methyl-1-oxopyridin-2-yl]Methyl]sulfanyl]-1H-benziMidazole LANSOPRAZOLE SULFONE N-[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]Methyl Lansoprazole Sulfide 1-Methyl-12-thioxopyrido[1,2,3,4]imidazole-[1,2-a]benzimidazole-2(12H)-one Entacapone Exemestane Azelnidipine Tenofovir Imatinib mesylate Stavudine Zidovudine Rabeprazole Pantoprazole Omeprazole Quinic acid

  • Lansoprazole Impurity 14
  • Dexlansoprazole related impurities 2
  • (R)-2-[[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridyl]methyl]sulfinyl]-1H-benzimidazole
  • 1H-Benzimidazole, 2-[(R)-[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfinyl]- (9CI)
  • 1H-Benzimidazole, 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfinyl]-, (R)-
  • R-(+)-Lansoprazole
  • Dexlansoprazole
  • 2-[(R)-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole
  • T 168390
  • TAK 390
  • 2-[[3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfinyl]-1H-benzoimidazole
  • 2-[(R)-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]Methyl]sulfinyl]-
  • (+)2-[(R)-{[3-METHYL-4-(2,2,2-TRIFLUOROETHOXY) PYRIDIN-2-YL-1H-BENZIMIDAZOLE
  • T 168390，TAK 390
  • (R)-2-(((3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole
  • Dexlansoprazole 22.5% enteric coated pellets
  • Lansoprazole R-Isomer
  • 1H-BenziMidazole,2-[(R)-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]Methyl]sulfinyl]-
  • Dexlansoprazole / R-(+)-Lansoprazole
  • Lansoprazole impurity 17/Lansoprazole R-Isomer/(R)-Lansoprazole/Dexlansoprazole/2-[(R)-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole
  • R-(+)-Lansoprazole USP/EP/BP
  • Dexlansaprazole
  • DexlansoprazoleQ: What is Dexlansoprazole Q: What is the CAS Number of Dexlansoprazole Q: What is the storage condition of Dexlansoprazole
  • Dexlanzoprazole
  • (+)-Lansoprazole
  • D-lansoprazole
  • Dexlansoprazole|||T 168390|||TAK 390|||R-(+)-Lansoprazole
  • 138530-94-6
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