In 2012,Dillon, Barry R.; Roberts, Dannielle F.; Entwistle, David A.; Glossop, Paul A.; Knight, Craig J.; Laity, Daniel A.; James, Kim; Praquin, Celine F.; Strang, Ross S.; Watson, Christine A. L. published 《Development of a scaleable synthesis of a geminal dimethyl tertiary amine as an inhaled muscarinic antagonist for the treatment of COPD》.Organic Process Research & Development published the findings.Related Products of 18621-18-6 The information in the text is summarized as follows:
An efficient and scaleable process for the synthesis of muscarinic antagonist, PF-3635659 (I), is described, illustrating redesign of an analog-targeted synthesis which contained a scale-limiting rhodium-activated C-H amination step. The final route includes a reproducible modified Bouveault reaction which has not previously been reported on a substrate of this complexity, or on such a scale with over 5 kg of the requisite gem-dimethylamine prepared via this methodol. In the experiment, the researchers used many compounds, for example, Azetidin-3-ol hydrochloride(cas: 18621-18-6Related Products of 18621-18-6)
Azetidin-3-ol hydrochloride(cas:18621-18-6) is one of azetidine.Azetidines (azacyclobutanes) constitute a well-known class of heterocyclic compounds. Azetidine scaffold has been discovered in several natural products.Related Products of 18621-18-6 Several pharmacologically important synthetic compounds also contain azetidine ring. Because of inherent ring strain, the synthesis of azetidines is a challenging endeavor.
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