نتایج جستجو برای: steroidal
تعداد نتایج: 14076 فیلتر نتایج به سال:
Quinacrine, an acridine derivative that was in widespread use as an anti-malarial, has been shown to have both sclerosant and anticarcinogenic actions. The sclerosant action of quinacrine has been used to produce occlusion of Fallopian tube in both experimental animals and women, and several clinical studies are reviewed. Both actions of quinacrine are potentiated by steroidal and non-steroidal...
We report a prospective, randomised, controlled trial of the effect of either a non-steroidal anti-inflammatory drug (diclofenac sodium) or physiotherapy on the recovery of knee function after arthroscopy. At 42 days after surgery there was no significant benefit from either form of postoperative treatment compared with the control group. Complications attributable to the anti-inflammatory drug...
The modification and enhancement of biological activity [1,2] of steroidal drugs containing nitrogen atom represent one of the most fruitful developments in medicinal chemistry. Voluminous literature [3] is available on azasteroids. However, a limited work is reported [4-8] about the preparation of aza derivatives corresponding to steroidal sapogenins. This prompted us to make an attempt in thi...
1,3-Dienes derived from steroidal D-ring C 17-ketones undergo Ni(II)-catalyzed hydrovinylation to give 1,2- or 1,4-addition of ethylene. Using finely tuned phosphoramidite ligands, it is possible to synthesize either the C 20 ( R)- or ( S)-derivatives without mutual contamination. The proportion of the 1,4-adduct, which is also formed stereoselectively, can be minimized by optimizing the reacti...
Use of aromatase inhibitors (AIs), exemestane, letrozole and anastrozole, for breast cancer therapy is associated with severe pain symptoms, the underlying mechanism of which is unknown. The electrophilic nature of AIs suggests that they may target the transient receptor potential ankyrin 1 (TRPA1) channel, a major pathway in pain transmission and neurogenic inflammation. AIs evoke TRPA1-mediat...
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