نتایج جستجو برای: Spirohydantoin
تعداد نتایج: 16 فیلتر نتایج به سال:
Spirohydantoins are considered privileged structures, making them attractive for the preparation of compound libraries with the potential for diverse biological activity. However, very few modifications of this scaffold have been reported to date. The spirohydantoin template was elaborated into a library of 168 compounds through a two-step solution-phase parallel synthesis starting from various...
A pediatric Phase I and pharmacokinetic study of the lipophilic alkylating agent spirohydantoin mustard (SHM) was conducted in 23 patients. The dose-limiting toxicity of SHM was neurological with disorientation, delirium, or hallucinations occurring in 9 of 23 patients. These symptoms were partially reversible and preventable with physostigmine. In 17 patients who were evaluable for response to...
The effects of spirohydantoin mustard (SHM), a potential antitumor agent for central nervous system tumors, in the in vitro 9L rat brain tumor model were studied. In cell culture medium at 37 degrees, the drug was totally detoxified within 30 min. Dose-response curves for exponentially growing and plateau-phase cells were similar and indicated that a small fraction of cells were resistant to SH...
A pediatrie Phase I and pharmacokinetic study of the lipophilic alkylating agent spirohydantoin mustard (SHM) was conducted in 23 patients. The dose-limiting toxicity of SHM was neurological with disorientation, delirium, or hallucinations occurring in 9 of 23 patients. These symptoms were partially reversible and preventable with physostigmine. In 17 patients who were évaluablefor response to...
A series of new analogues of 3-[3-(4-arylpiperazinyl)-propyl]-cyclohexane-1’,5-spirohydantoin (2), with aromatic ring fused in amide moiety (4–9) were synthesized and evaluated for affinity at 5-HT and 5-HT receptors. The influence of the substitution mode in the phenyl ring of phenylpiperazine moiety on the affinity for both receptors has been discussed. The most potent 5-HT (9, K = 53 nM) and...
UNLABELLED Adolescent females in Zimbabwe are at high risk for HIV acquisition. Shaping the Health of Adolescents in Zimbabwe (SHAZ!) was a randomized controlled trial of a combined intervention package including life-skills and health education, vocational training, micro-grants and social supports compared to life-skills and health education alone. SHAZ! was originally envisioned as a larger ...
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