摘要:
The present invention relates to the use of certain chemical compounds which interfere with the biosynthesis of cholesterol and medicaments comprising such compounds for stimulating the meiosis of oocytes and spermatozoon in vivo, ex vivo and in vitro.
摘要:
Compounds of Formula I and methods of regulating the meiosis in a mammalian germ cell which method comprises administering an effective amount of the compound of Formula I to a germ cell in need of such a treatment.
摘要:
Novel thieno[2,3-b]pyrazine-2,3(1H,3H)-diones or tautomeric forms thereof of the formula (I) ##STR1## The compounds are useful in the treatment of neurological and psychiatric diseases.
摘要:
Sterol derivative compounds, structurally related to natural compounds which can be extracted from bull testes and from human follicular fluid, useful for regulating meiosis in oocytes and in male germ cells. Some of these compounds are useful in the treatment of infertility, whereas other compounds are useful as contraceptives.
摘要:
A disubstituted piperazine compound having the formula I ##STR1## wherein R.sup.1 is thienyl or phenyl, which may be substituted with C.sub.1-6 -alkyl or halogen, and R.sup.2 is thienyl, which may be substituted with C.sub.1-6 -alkyl or halogen, and R.sup.3 is C.sub.1-8 -alkyl, C.sub.3-8 -alkenyl or C.sub.3-8 -cycloalkyl which all may be substituted with hydroxy, oximino or keto in any position giving a stable tertiary amine or R.sup.3 is C.sub.1-8 -alkyl or C.sub.3-8 -alkenyl which in any position may be substituted as above, but is terminally substituted with phenoxy, phenyl, thienyl, furyl, methoxy or --CN and pharmaceutically acceptable acid addition salts thereof.The compounds are useful in the treatment of mental disorders in which a dopaminergic deficit is implicated.
摘要:
p-Trimethylsilyloxy-D-(-)-phenylglycyloxysuccinimide or -phthalimide, process of preparing p-trimethylsilyloxy-D-(-)-phenylglycyloxysuccinimide or -phthalimide by reacting D-(-)-p-trimethylsilyloxyphenylglycin-N-carboxyanhydride with a N-hydroxyimide, and process for preparing 6-(p-hydroxyphenylglycylamido)-penam or 7-(p-hydroxyphenylglycylamido)-cephem compounds by reacting p-trimethylsilyloxy-D-(-)-phenylglycyloxysuccinimide or -phthalimide with a phosphite amide or an ester of 6-aminopenicillanic acid or of an ester of a 7-amino-3-cephem-4-carboxylic acid in the presence of the hydrochloride of a weak amine.
摘要:
An improvement in the conversion of penam and cephem compounds to secondary ammonium salts of phosphite amides thereof by reacting as follows: ##STR1## wherein --R, is the non-reacting balance of the penam or cephem compound and ##STR2## ARE NON-REACTING SUBSTITUENTS. Catalytic amounts of H--N
摘要:
A disubstituted piperazine compound having the formula ##STR1## wherein R.sup.1 is halogen, methoxy, C.sub.1-6 -alkyl or trifluoromethyl, and R.sup.2 is methyl or substituted C.sub.1-8 -alkyl, C.sub.3-8 -alkenyl or C.sub.3-8 -cycloalkyl, where substituents may be hydroxy-, keto- or oximino-groups in any position leading to a stable tertiary amine; or R.sup.2 is a straight or branched C.sub.1-8 -alkyl or C.sub.3-8 -alkenyl, which in any position may be substituted as above, but is terminally substituted with one of the following groups: cyano, optionally C.sub.1-4 -alkoxy-substituted C.sub.1-4 -alkoxy, dimethoxy, optiontionally substituted phenoxy, phosphonic acid, thienyl, furyl, oxazoline, isoxazole, oxadiazole, where the optional substitution is represented by C.sub.1-6 -alkyl or phenyl, provided that when cyano is the only substituent in R.sup.2, R.sup.2 must contain at least four carbon atoms, and pharmaceutically acceptable acid addition salts thereof.The compounds are useful in the treatment of mental disorders in which a dopaminergic deficit is implicated.
摘要:
Novel 2,3,4,5-tetrahydro-1H-3-benzazepines having the formula ##STR1## wherein R.sup.3 represents H, C.sub.1-3 -alkyl or C.sub.3-7 -cycloalkyl;R.sup.4 represents hydrogen or R.sup.4 together with R.sup.10 represents a bridge which connects the positions to which R.sup.4 and R.sup.10 are linked, said bridge being --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --O--CH.sub.2 -- or --S--CH.sub.2 --;R.sup.7 represents hydroxy, lower alkoxy;R.sup.10, R.sup.11, R.sup.12 independently represent hydrogen or halogen or alkyl or R.sup.10 together with R.sup.4 represents a bridge as described in connection with the definition of R.sup.4 ; or R.sup.10 together with R.sup.11 represents a bridge or R.sup.11 together with R.sup.12 represents a bridge, the bridge in both cases being chosen among--O--CH.sub.2 --CH.sub.2 --, --O--CH.sub.2 --CH.sub.2 --CH.sub.2 --, --O--CH.dbd.CH--, --CH.sub.2, --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.dbd.CH-- or --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --;R-- represents hydrogen, halogen or lower alkyl.The compounds are useful in preparations for treatment of disorders in the central nervous system.