5132-30-9Relevant articles and documents
Highly potent and stable capped siRNAs with picomolar activity for RNA interference
Wei, Lv,Cao, Liqiang,Xi, Zhen
, p. 6501 - 6503 (2013)
Put a cap on it: Hairpin-shaped RNAs and dumbbell-shaped RNAs were prepared using a thiol-maleimino Michael addition and exhibited good serum and thermal stability. These capped structures were shown to be cleaved by Dicer and RNA interference (RNAi) experiments showed that RhpRNA (see picture, top right) was highly efficient at RNAi with an IC50 value of 6 pM. Copyright
Preparation method of bismaleimide alkyl compound
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Paragraph 0060; 0066-0071; 0075-0077, (2020/09/23)
The invention provides a preparation method of a bismaleimide alkyl compound, comprising the following steps of: S1. carrying out ring-opening reaction on cis-butadiene maleic anhydride and a diaminoalkyl compound in a first solvent to obtain an intermediate; and S2, carrying out a ring closing reaction on the intermediate in a second solvent in the presence of an organic alkali to obtain the bismaleimide alkyl compound. According to the preparation method of the bismaleimide alkyl compound disclosed by the embodiment of the invention, the cheap raw materials of maleic anhydride and diaminoalkyl compound are used as the raw materials, and the whole operation avoids long-time high-temperature reaction and reduces the production cost; besides, the trouble of column passing is avoided through later purification, the yield is greatly increased while operation is convenient, and the method is suitable for industrial production and has a good application prospect.
Cp?Co(III)-Catalyzed C-H Alkylation with Maleimides Using Weakly Coordinating Carbonyl Directing Groups
Mandal, Rajib,Emayavaramban, Balakumar,Sundararaju, Basker
supporting information, p. 2835 - 2838 (2018/05/29)
A novel protocol for ortho-C-H alkylation of aromatic and heteroaromatic ketones and esters under Cp?Co(III) catalysis has been developed for the first time. The reaction proceeds through initial cyclometalation via weak chelation-assisted C-H bond activation, followed by coordination of activated alkene, insertion between Co-C, and protodemetalation.