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1,4 Protection 9-hydroxy-5-oxo-1,4-diaza - spiro 5.5 stereoselective synthesis methods undecane

机译：1,4保护基9-羟基-5-氧代-1,4-二氮杂-螺[5.5]立体选择性合成方法十一烷

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摘要

The invention relates to a method for the stereoselective preparation of a compound of formula (5), optionally in the form of the tautomers thereof,

机译：立体选择性地制备式（5）化合物的方法技术领域本发明涉及立体选择性地制备式（5）化合物的方法，所述化合物任选地以其互变异构体的形式存在，