本文包括两部分：（1）三取代环丙烷和含氟炔酮；
This paper contains two parts: (1) Trisubstituted Cyclopropane and FluorinatedAlkynone;
目的：探讨米非司酮与双炔失碳酯合用抗早孕的机理。
Objective: To investigate the mechanism of mifepristone combined with anordrin for anti - early pregnancy.
目的：探讨人工流产术后立即口服屈螺酮炔雌醇片的临床效果及可行性。
Objective: To assess the immediate use of the combined oral contraceptive drospirenone-ethinylestradiol tablets in women undergoing artificial abortion.
本文主要介绍非金属亲电试剂活化酰胺或炔酰胺制备的烯酮亚胺盐。
This paper describes the keteniminium salts formed by electrophilic activation of amides or ynamides with non-metal electrophilic reagents.
本发明涉及一种酮与乙炔反应合成炔醇的方法。
The invention relates a method of synthesizing alkynol with ketone and acetylene.
方法：以双酮为原料，结合双烯孕腈的药物结构特点对双炔失碳酯进行化学结构改造。
Methods: Referring to dienogest's construction features, we reconstructed anordrin be- ginning with diketone.
方法：以双酮为原料，结合双烯孕腈的药物结构特点对双炔失碳酯进行化学结构改造。
Methods: Referring to dienogest's construction features, we reconstructed anordrin be- ginning with diketone.
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