نتایج جستجو برای: ethoxylated alkyl imidazolines
تعداد نتایج: 14770 فیلتر نتایج به سال:
Clonidine and benazoline are two structurally related imidazolines. Whereas clonidine binds both to alpha(2)-adrenoceptors (alpha(2)R) and to I(1) imidazoline receptors (I(1)R), benazoline showed a high selectivity for imidazoline receptors. Although the alpha(2)R are negatively coupled to adenylate cyclase, no effect on cAMP level by activation of I(1)R has been reported so far. We therefore a...
a simple, mild and practical procedure has been developed for the synthesis of symmetrical and unsymmetrical ethers by using dmso, tbai in the presence of k2co3. we extended the utility of potassium carbonate as an efficient base for the preparation of ethers. a wide range of alkyl aryl and dialkyl ethers are synthesized from treatment of aliphatic alcohols and phenols with various alkyl halid...
Numerous studies support the concept that centrally acting antihypertensive drugs, such as imidazolines, mediate sympathoinhibition not only via activation of central nervous alpha2-adrenoceptors (alpha2-AR) but also via imidazoline-1 receptors (I1-R). An additional presynaptic involvement in sympathetic neurotransmission of imidazolines, via I1-R independent of alpha2-AR, is still controversia...
A new family of imidazoline-arylene macrocycles have been constructed through the simultaneous formation of four imidazoline rings in one step. These macrocycles can efficiently complex with fullerenes C60 and C70 through the formation of ground-state complexes.
Clonidine and the imidazolines, commonly found in topical ophthalmic and nasal decongestants, are chemically related drugs that have been responsible for many pediatric poisonings. These medications can cause significant morbidity in small doses. A review of the available literature reveals that young children have exhibited severe signs and symptoms after ingesting as little as one to two clon...
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