The report provides a detailed analysis essential for establishing a Rizatriptan production plant. It encompasses all critical aspects necessary for Rizatriptan production, including the cost of Rizatriptan production, Rizatriptan plant cost, Rizatriptan production costs, and the overall Rizatriptan production plant cost. Additionally, the study covers specific expenditures associated with setting up and operating a Rizatriptan production plant. These encompass production processes, raw material requirements, utility requirements, infrastructure needs, machinery and technology requirements, manpower requirements, packaging requirements, transportation requirements, and more.
Rizatriptan serves as a selective receptor agonist that is utilised for the treatment of migraine attacks, with or without aura. It is used in adults and pediatric patients aged 6 years and older, where it rapidly eases moderate to severe headache pain, nausea, vomiting, photophobia, phonophobia, and associated hypersensitivity symptoms. It constricts dilated cranial blood vessels, suppressing neurogenic inflammation in the trigeminovascular system, and stops pro-inflammatory neuropeptide release. It shows action within 30 minutes for orally disintegrating tablets (5-10 mg doses, maximum 30 mg per 24 hours) and efficiency peaking at 2 hours. Its common side effects include dizziness, drowsiness, fatigue, dry mouth, nausea, and feelings of weakness or tingling.
The market for Rizatriptan is influenced by growing cases of migraine around the globe. The lifestyle stressors, anxiety, female hormonal factors, and rising pediatric diagnoses contribute to its demand as a preferred treatment for migraine attacks. The increasing treatment awareness, expanding healthcare access, and availability of generics post-patent expiry fuel its market. The supportive policies like OTC and prescription uptake, and the need for GMP, USDMF, and CEP-certified suppliers affect industrial Rizatriptan procurement. Also, other factors like tryptamine impurity profiling, comprehensive DMF records, reliable supply chains, and regulatory compliance for tablet and oral film formulations impact its sourcing strategies.
Raw Material for Rizatriptan Production
According to the Rizatriptan production plant project report, the key raw materials used in the production of Rizatriptan include 3-Methyl-4-nitrobenzoic acid methyl ester, dimethylformamide dimethyl acetal, oxalyl chloride, and piperidine.
Production Process of Rizatriptan
The extensive Rizatriptan production cost report consists of the following major industrial production process:
- By Leimgruber–Batcho Reaction: The production process of Rizatriptan starts with 3-methyl-4-nitrobenzoic acid methyl ester, employing the Leimgruber–Batcho reaction. This involves indole ring production using dimethylformamide dimethyl acetal or equivalents to form the indole intermediate. This intermediate is then treated with oxalyl chloride to generate the oxoacetyl indole carboxylate. This goes through reactions like reductive amination or coupling with N, N-dimethylformamide dimethyl acetal derivatives and amines to introduce the piperidine side chain. This leads to the formation of Rizatriptan benzoate as the final product.
Rizatriptan has the molecular formula of C15H19N5 with a molecular weight of 269.34 g/mol for the free base. Its benzoate salt has the molecular formula of C22H25N5O2 with a molecular weight of 391.47 g/mol. It appears as a white to off-white crystalline solid that exhibits good water solubility. It has an indole core substituted at the 3-position with a dimethylaminoethyl chain and at the 5-position with a 1,2,4-triazolylmethyl group. It has moderate lipophilicity suitable for central nervous system penetration alongside basic amine functionality. It shows stability in pharmaceutical preparations and goes through primary metabolism via oxidative deamination and N-demethylation through monoamine oxidase and CYP enzymes.