- diketone的意思|示意

Novel substituted 2, 4-thiazolidine diketone derivatives, method for preparation thereof and pharmaceutical compositions containing the same.

新型取代的2,4 -噻唑烷二酮衍生物，其制备方法以及含有它们的药物组合物。

Results: Two mono-hydroxy intermediates were produced during the diketone reduction process and its reverse reaction, which were separated and structurally confirmed.

结果：两个单羟基中间产物产生在双羰基还原及其逆反应过程中，并被分离纯化和鉴定。

The synthetic method is simple and convenient and direct; and the spiral ring skeleton obtained from spiro-diketone has optical pure chiral ligand with different absolute configurations.

本发明的合成 方法简便直接，从外消旋的螺环二酮出发得到螺环骨架具有不同绝对构型的光 学纯的手性配体。

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。

Novel synthetic methods for alkyl methyl ketone, symmetric diketone , long-chain diketone and macrocyclic ketone were provided.

利用二苯并咪唑盐与格利雅试剂的加成-水解反应，提出了长链二酮的新合成方法。

In this paper, the one-pot reaction of aqueous titanium trichloride with o-nitroaniline and 1, 2-diketone compounds in basic media was studied.

研究三氯化钛存在下邻硝基苯胺与1,2 -二酮在碱性介质中一锅反应，快速方便、高收率地合成了一系列取代喹喔啉化合物。