Gliclazide
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Gliclazide
structure -
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CAS No:
21187-98-4
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Formula:
C15H21N3O3S
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Chemical Name:
Gliclazide
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Synonyms:
Benzenesulfonamide,N-[[(hexahydrocyclopenta[c]pyrrol-2(1H)-yl)amino]carbonyl]-4-methyl-;Urea,1-(hexahydrocyclopenta[c]pyrrol-2(1H)-yl)-3-(p-tolylsulfonyl)-;Cyclopenta[c]pyrrole,benzenesulfonamide deriv.;N-[[(Hexahydrocyclopenta[c]pyrrol-2(1H)-yl)amino]carbonyl]-4-methylbenzenesulfonamide;Gliclazide;Diamicron;S 1702;1-(Hexahydrocyclopenta[c]pyrrol-2(1H)-yl)-3-(p-tolylsulfonyl)urea;SE 1702;S 852;N-(4-Methylbenzenesulfonyl)-N′-[3-azabicyclo(3,3,0)oct-3-yl]urea;Diabezidum;Glinormax;Diabrezide;Diaprel;Glyzide;Glimicron;Diabyl;1-(3,3a,4,5,6,6a-Hexahydro-1H-cyclopenta[c]pyrrol-2-yl)-3-(4-methylphenyl)sulfonylurea;1-(4-Methylbenzenesulfonyl)-3-[octahydrocyclopenta[c]pyrrol-2-yl]urea
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Categories:
Active Pharmaceutical Ingredients > Hormones and the Endocrine System
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CAS No:
Description
White Cyrstalline Solid
Solid
Gliclazide is a N-sulfonylurea. It has a role as a hypoglycemic agent, a radical scavenger and an insulin secretagogue.|Gliclazide is an oral antihyperglycemic agent used for the treatment of non-insulin-dependent diabetes mellitus (NIDDM). It has been classified differently according to its drug properties in which based on its chemical structure, gliclazide is considered a first-generation sulfonylurea due to the structural presence of a sulfonamide group able to release a proton and the presence of one aromatic group. On the other hand, based on the pharmacological efficacy, gliclazide is considered a second-generation sulfonylurea which presents a higher potency and a shorter half-life. Gliclazide belongs to the sulfonylurea class of insulin secretagogues, which act by stimulating β cells of the pancreas to release insulin. Sulfonylureas increase both basal insulin secretion and meal-stimulated insulin release. Medications in this class differ in their dose, rate of absorption, duration of action, route of elimination and binding site on their target pancreatic β cell receptor. Sulfonylureas also increase peripheral glucose utilization, decrease hepatic gluconeogenesis and may increase the number and sensitivity of insulin receptors. Sulfonylureas are associated with weight gain, though less so than insulin. Due to their mechanism of action, sulfonylureas may cause hypoglycemia and require consistent food intake to decrease this risk. The risk of hypoglycemia is increased in elderly, debilitated and malnourished individuals. Gliclazide has been shown to decrease fasting plasma glucose, postprandial blood glucose and glycosolated hemoglobin (HbA1c) levels (reflective of the last 8-10 weeks of glucose control). Gliclazide is extensively metabolized by the liver; its metabolites are excreted in both urine (60-70%) and feces (10-20%).|An oral sulfonylurea hypoglycemic agent which stimulates insulin secretion.
Gliclazide Basic Attributes
323.41
323.41
244-260-5
758673
DTXSID9023095
A10BB09|A - Alimentary tract and metabolism
29350090
Characteristics
86.9
2.6
white powder
1.2205 (rough estimate)
181 °C
1.623
methylene chloride: soluble
-20°C Freezer
LD50 orally in mice: >3 g/kg (Duhault)
178 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Safety Information
3077
2
21-36/38-46-62-63
25-26-36/37-53-24/25
YT4500000
Xn,Xi
Stable at normal temperatures and pressures. Heat.
P201, P202, P261, P264, P270, P271, P273, P280, P281, P301+P312, P302+P352, P304+P340, P305+P351+P338, P308+P313, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
H302
|Warning|H302 (73.33%): Harmful if swallowed [Warning Acute toxicity, oral]|P201, P202, P261, P264, P270, P271, P280, P281, P301+P312, P302+P352, P304+P340, P305+P351+P338, P308+P313, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 84 companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Toxicity
LD50=3000 mg/kg (orally in mice). Gliclazide and its metabolites may accumulate in those with severe hepatic and/or renal dysfunction. Symptoms of hypoglycemia include: dizziness, lack of energy, drowsiness, headache and sweating.
94%, highly bound to plasma proteins
Drug Information
For the treatment of NIDDM in conjunction with diet and exercise.
Based on the pharmacological properties, gliclazide is a second generation sulphonylurea which acts as a hypoglycemic agent. It stimulates β cells of the islet of Langerhans in the pancreas to release insulin. It also enhances peripheral insulin sensitivity. Overall, it potentiates insulin release and improves insulin dynamics.
Substances which lower blood glucose levels. (See all compounds classified as Hypoglycemic Agents.)
Rapidly and well absorbed but may have wide inter- and intra-individual variability. Peak plasma concentrations occur within 4-6 hours of oral administration.|Metabolites and conjugates are eliminated primarily by the kidneys (60-70%) and also in the feces (10-20%).
Extensively metabolized in the liver. Less than 1% of the orally administered dose appears unchanged in the urine. Metabolites include oxidized and hydroxylated derivates, as well as glucuronic acid conjugates.|Gliclazide has known human metabolites that include 6-hydroxy-gliclazide, 7-hydroxy-gliclazide, and Methylhydroxygliclazide.
10.4 hours. Duration of action is 10-24 hours.
Gliclazide binds to the β cell sulfonyl urea receptor (SUR1). This binding subsequently blocks the ATP sensitive potassium channels. The binding results in closure of the channels and leads to a resulting decrease in potassium efflux leads to depolarization of the β cells. This opens voltage-dependent calcium channels in the β cell resulting in calmodulin activation, which in turn leads to exocytosis of insulin containing secretorty granules.
Diabrezide
Gliclazide Use and Manufacturing
In 1000mL90 g (0.53 mol) of p-toluenesulfonamide was added to the reaction flask, N-(hexahydrocyclopenta[c]pyrrole-2-(1H)-yl)aminocarbonyl chloride94.3 (0.5 mol)DMF 6 g, toluene 300 mL. The temperature was raised to reflux temperature for 2 hours, After completion of the reaction, 300 g of water was added. Cooling crystallization, precipitation of white solid, Filtered and dried, and then recrystallized from ethyl acetate to obtain gliclazide 148.62 g (0.46 mol)Yield 91.9percent.To a 250 mL three-necked flask was added N-amino-3-azabicyclo [3.3.0] octane hydrochloride prepared in Example 6 (2)20 g of p-toluenesulfonylurea, 100 ml of toluene and heated under reflux for 3 hours. After the completion of the reaction, The toluene was distilled off under reduced pressure, 100 ml of water was added, and the crystals were stirred at room temperature for 12 hours. The solid was filtered, Recrystallization from ethyl acetate and drying under vacuum at 80 ° C for 15 h gave 37 g of product, yield 86percent.
A sulfonylurea hypoglycemic agent. Used as an antidiabetic
Computed Properties
Molecular Weight:323.4
XLogP3:1.5
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:3
Exact Mass:323.13036271
Monoisotopic Mass:323.13036271
Topological Polar Surface Area:86.9
Heavy Atom Count:22
Complexity:497
Undefined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Drug Function and Efficacy
Sulfonylurea is an oral hypoglycemic drug for the treatment of diabetes. It lowers blood sugar levels by stimulating pancreatic β cells to secrete insulin, restores the peak of first-phase insulin secretion in response to glucose and increases first-phase insulin secretion, significantly increases the insulin secretion response induced by meals or stimulated by glucose; partially inhibits platelet adhesion and aggregation, reduces platelet activity markers (p-thromboglobulin, thromboxane B2), and produces fibrinolytic activity on the vascular endothelium (increases tPA activity).
Registered Holders
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EDMOND PHARMA S.r.l.
Active
Japan
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BAL PHARMA LIMITED
Active
India
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ORIL INDUSTRIE
Active
France
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