منابع مشابه
Evaluation of Cytotoxicity and Antifertility Effect of Artemisia kopetdaghensis
To date, there is no report on safety of Artemisia Kopetdaghensis. This study aimed to determine the possible undesirable effects of A. Kopetdaghensis on reproduction of female rats. The pregnant rats were treated (i.p.) with vehicle or 200 and 400 mg/kg of A. Kopetdaghensis hydroalcoholic extract from the 2nd to 8th day of pregnancy. Then, number and weight of neonates, duration of pregnancy, ...
متن کاملSynthesis of Pyrrole Phosphonate Esters: Emphasis on Pyrrole NH Acids and Dialkylacetylenic Esters Substitution
Reaction of dialkyl acetylenedicarboxylates 1a-c andpyrrole derivatives 2a-e in the presence of triphenylphosphite (TPP) was investigated and the effect of the pyrrole substitution was established. Diastereoselectivity is observed with pyrroles, 2a,b, yieldingphosphonate ester derivatives 3a-f and 4,and their relative configuration is determined by 1H/13C and 31</...
متن کاملAssay of erythromycin esters.
To the Editor: It was disturbing to read the article entitled “Studies of the Stability of 18 Chemical Constituents,” in the December, 1972, issue of Clinical Chemistry (1). The authors define their conditions of collection and storage but do not, however, make it clear what their object is. If the objective was to show stability of serum before analysis, then their data are misleading. For exa...
متن کاملExposure to phthalate esters.
The American Chemistry Council Phthalate Esters Panel read with great interest the paper by Blount et al. (1) regarding urinary levels of phthalate ester metabolites in a sample set of the Third National Health and Nutrition Examination Survey (NHANES III) population. We have known for some time of this research, and have provided whatever information and assistance we could to the Centers for ...
متن کاملTumor-promoting Phorbol Esters
The effect of tumor-promoting phorbol esters on the in vitro proliferation of mouse pluripotent hematopoietic stem cells (CFU-S) was examined using a short-term in vitro culture system and an 11-d spleen colony assay. Phorbol myristate acetate (PMA, 10-7 M), but not the inert compound phorbol, supported the in vitro survival of day 11 CFU-S for 72 h in a manner similar to IL 3. PMA also enhance...
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ژورنال
عنوان ژورنال: Chemistry of Natural Compounds
سال: 1987
ISSN: 0009-3130,1573-8388
DOI: 10.1007/bf00598702