| Minodronic Acid Basic information |
| Product Name: | Minodronic Acid |
| Synonyms: | P,P'-(1-Hydroxy-2-imidazo[1,2-a]pyridin-3-ylethylidene)bisphosphonic acid hydrate;Minodronic Acid Monohydrate;Minodronic Acid hydrate;Minodronate Monohydrate;(1-Hydroxy-2-(iMidazo[1,2-a]pyridin-3-yl)ethane-1,1-diyl)diphosphonic acid hydrate;Minodronic acid API;MinodronateMonohydrate>Phosphonic acid, P,P'-(1-hydroxy-2-imidazo[1,2-a]pyridin-3-ylethylidene)bis-, hydrate (1:1) |
| CAS: | 155648-60-5 |
| MF: | C9H14N2O8P2 |
| MW: | 340.163582 |
| EINECS: | 696-656-6 |
| Product Categories: | Final material |
| Mol File: | 155648-60-5.mol |
| Minodronic Acid Chemical Properties |
| storage temp. | 2-8°C |
| Water Solubility | Insoluble in water |
| form | powder to crystal |
| color | White to Light yellow to Light red |
| Safety Information |
| RIDADR | 2811 |
| RTECS | SZ8562470 |
| HazardClass | 6.1 |
| PackingGroup | III |
| MSDS Information |
| Minodronic Acid Usage And Synthesis |
| Clinical Use | The bone resorption inhibitor minodronic acid hydrate was approved and introduced last year in Japan, bringing the total number of bis-phosphonates marketed for this indication to seven. There are an estimated 10 million current and potential osteoporosis sufferers in Japan, a number that is expected to continue growing due to the country’s aging population. Minodronic acid is the first drug to show a significant effect in preventing bone fractures as compared to placebo in a Japanese patient population. Minodronic acid was co-developed by Astellas and Ono, who are marketing the drug as Bonoteo and Recalbon, respectively. |
| Synthesis | Several syntheses of minodronic acid have been reported,a scalable preparation is described in the scheme. Commercially available acid chloride 71 was first reduced with lithium tritertbutoxy aluminum hydride to the aldehyde 72 at 80°C in 61% yield. Next, reaction of aldehyde 72 with TMSCl and triethylamine generated the corresponding silyl enol ether, which was then treated with bromine to give a-bromoaldehyde 73 in 62% yield. Condensation with 2-amino pyridine furnished imidazopyridine 74, which was hydrolyzed with HCl to acid 75 in 58% yield. Reaction with H3PO3 at 120°C to provide minodronic acid hydrate (XII) in 53% yield. |
| Minodronic Acid Preparation Products And Raw materials |
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