While the job of a research scientist varies, most chemistry careers in research are based in laboratories, where research is conducted by teams following scientific methods and standards.80841-78-7. Introduce a common compound, CAS is 80841-78-7, Name is 4-(Chloromethyl)-5-methyl-1,3-dioxol-2-one, belongs to cinnolinecompound.
Example 7; Preparation of Trityl Olmesartan Medoxomil4-(1-Hydroxy-1-methylethyl)-2-propyl-1-{4-[2-(trityltetrazol-5-yl)phenyl]phenyl}methylimidazole-5-carboxylic acid dehydrate (100 g) was suspended in acetone (1 L) & heated to reflux; the solution obtained was added to suspension of potassium carbonate (15 g), potassium iodide (6 g) & 4-chloromethyl-5-methyl-1,3-dioxol-2-one (35 g) in acetone (500 mL) at reflux temperature. Reaction mass was refluxed for 2-6 hrs. After competition of reaction, the reaction mass was filtered & the acetone was distilled from combined mother liquor. The residue obtained was dissolved in toluene (1 L) toluene layer was washed with brine (3×250 mL). Toluene was removed under reduced pressure & residue thus obtained was recrystallized from methanol to give trityl OlmesartanMedoxomil (100 g).HPLC purity=99.5%
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Reference：
Patent; Ramanjaneyulu, Gorantla Seeta; Mohan, Bandari; Ray, Purna Chandra; Sethi, Madhuresh Kumar; Rawat, Vijendra Singh; Krishna, Yerramalla Raja; Lakshminarayana, Vemula; Srinivas, Mamidi; US2009/281327; (2009); A1;,
1,3-Benzodioxole – Wikipedia
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