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The present study examined the dose- and time-dependent central effects of an estradiol chemical delivery system cyclodextrin complex (E(2)-CDS-CD) on the reestablishment of copulatory behavior of castrated male and ovariectomized female rats with concomitant determination of the blood luteinizing hormone (LH) and E(2) levels. In orchidectomized males,… (More)
A series of pure stereoisomeric soft glycopyrrolate analogues 3, 4 and 5 was synthesized using chiral intermediates and by careful separation of the stereoisomers formed during the last quaternization step of the synthesis. The stereochemistry of the products was elucidated using various 1D and 2D NMR techniques. Anticholinergic activity of the new… (More)
gamma-Endorphin inhibits the amphetamine-induced stereotypy in rats with an approximate ED50 of 0.3 mg/kg. SC. The anti-amphetamine effect of gamma-endorphin can be antagonized to a certain extent by both the dopamine receptor stimulant 2-bromo-ergocryptine and the opiate receptor antagonist naloxone.