Ortho-chiral amino alcohol compound under benzyl protection and preparation method thereof

The invention belongs to the field of chemical synthesis, and relates to an ortho-chiral amino alcohol compound under benzyl protection in formula 1 and a preparation method thereof. A technical routefor preparing the ortho-chiral amino alcohol compound under benzyl protection disclosed by the invention is simple to operate, concise and high in yield, and reagents used are all common reagents. Inparticular, the technical route can be conveniently applied to prepare the ortho-chiral amino alcohol compound under benzyl protection with low cost and high selectivity. 本发明属于化学合成领域，涉及一种式1的苄基保护的邻位手性氨基醇化合物及其制备方法。本发明所述制备苄基保护的手性邻位氨基醇化合物的技术路线，操作简单，路线简洁，收率较高，所用的试剂均为常用试剂。尤其所述技术路线低成本、高选择性、可方便应用于制备苄基保护的手性邻位氨基醇化合物。