New research progress on 118864-75-8 in 2021. Product Details of 118864-75-8, Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 118864-75-8, molcular formula is C15H15N, introducing its new discovery.
The invention belongs to the field of medicine, in particular relates to a new process for the preparation of intermediates thorley that. The 2-halo benzophenoneoxime protection of the carbonyl group, n-butyl aldehyde after the lithium pulls out the bromine on, then with nitro methane condensation, catalytic hydrogenation reduction postacidification, then loop, passes through the reduction, chiral resolution alkaline hydrolysis after the new intermediate compounds by thorley I; the new intermediate thorley that the structural formula is: The invention utilizes the simple and easily obtained starting material, the production cost is reduced. This process route is advanced, mild reaction conditions, the reaction yield is high, little three waste, no expensive and toxic reagent, reaction solvent distillation can be applied mechanically, easy commercial production, has great social and economical benefits of environmental protection. (by machine translation)
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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem