Abstract: Pyrrolidine derivatives of formula (I) are disclosed. ##STR1## wherein the ring A represents the following heterocyclic ring ##STR2## The compounds of formula (I) are useful as nootropic agents.

Abstract: Bisphenols having a pendent imide moiety, of formula (I) ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, are selected from hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 6 carbon atoms, aryl of 6 to 10 carbon atoms, alkoxy of 1 to 6 carbon atoms and aryloxy of 6 to 10 carbon atoms; R.sub.5 is selected from fluorine, chlorine, bromine and alkyl of 1 to 6 carbon atoms, and m is 0, 1, 2, 3 or 4; and R.sub.7 is alkyl of 1 to 18 carbon atoms, aryl of 6 to 10 carbon atoms, unsubstituted or substituted one or more times by a substituent selected from fluorine, chlorine, trifluoromethyl, alkyl of 1 to 6 carbon atoms, and phenyl, or heteroaryl; are useful in producing poly(imidoarylether ketone)s and poly(imidoarylether sulfone)s which are amorphous and are soluble in readily available solvents, while displaying high glass transition temperatures and good thermo-oxidative stability.

Abstract: A process for preparing 5-hydroxyhydantoin which comprises oxidizing 4,5-dihydroxyimidazolin-2-one having formula (I): ##STR1## with hydrogen peroxide in an aqueous medium in the presence of a metal ion. According to the process, 5-hydroxyhydantoin is readily prepared from inexpensive starting materials.

Abstract: This invention relates to novel N-aryl-3-aryl-4-substituted-2,3,4,5-tetrahydro-1H-pyrazole-1-carboxamide compounds which are useful as pesticides, compositions containing those compounds, methods of controlling pests and processes for preparing these compounds.

Abstract: A process for the preparation of the sulphone of the formula: ##STR1## consists in reductive cleavage of azo/azoxy dyestuffs of the formula ##STR2##The invention also relates to the azo/azoxy dyestuffs mentioned.

Abstract: Compound of the general formula (I), which is useful as an agricultural and horticultural fungicide, an agricultural and horticultural fungicidal composition containing said compound, use of said composition for controlling plant disease, and process for the production of said compound: ##STR1## wherein ##STR2## shows a case in which R.sup.3 and R.sup.4 together form a cyclic substituent, and R.sup.1 and R.sup.4 are substituents disclosed in the specification.

Abstract: The present invention relates to spiroisoindolines that are antagonists at the phencyclidine receptor of the N-methyl-D-aspartate receptor complex and which are useful when such antagonism is desired such as in the treatment of neurological disorders. The invention further provides processes for preparing the spiroisoindolines, intermediates useful for their synthesis, pharmaceutical compositions containing them, and methods for their use.

Abstract: A renin inhibiting compound of the formula: ##STR1## wherein A is a substituent; W is C.dbd.O or CHOH; U is CH.sub.2 or NR.sup.2, provided that when W is CHOH then U is CH.sub.2 ; R.sub.1 is loweralkyl, cycloalkylmethyl, benzyl, 4-methoxybenzyl, halobenzyl, (1-naphthyl)methyl, (2-naphthyl)methyl, (4-imidazoyl)methyl, .alpha.,.alpha.-dimethylbenzyl, 1-benzyloxyethyl; phenethyl, phenoxy, thiophenoxy or anilino; R.sub.2 is hydrogen or loweralkyl; R.sub.3 is loweralkyl, [(alkoxy)alkoxy]alkyl, (thioalkoxy)alkyl; lowerakenyl, benzyl or heterocyclic ring substituted methyl; R.sub.4 is loweralkyl, cycloalkylmethyl or benzyl; R.sub.5 is vinyl, formyl, hydroxymethyl or hydrogen; R.sub.7 is hydrogen or loweralkyl; R.sub.8 and R.sub.9 are independently selected from OH and NH.sub.2 ; and R.sub.6 is hydrogen, loweralkyl, vinyl or arylalkyl; provided that when R.sub.5 and R.sub.7 are both hydrogen and R.sub.8 and R.sub.9 are OH, the carbon bearing R.sub.5 is of the "R" configuration and the carbon bearing R.sub.

Abstract: A process for producing a 4-benzoyl-5-hydroxylpyrazole of the formula III: ##STR1## which comprises reacting carbon monoxide and a 5-hydroxypyrazole of the formula II: ##STR2## with a substituted benzene of the formula I: ##STR3## in the presence of a base and a catalyst of Group VIII of the Periodic Table.

Abstract: New derivatives of formula (I) in which R.sub.1 =H, halogen, alkyl, alkyloxy, CF.sub.3, NH.sub.2, alkylamino, dialkylamino, OH, CH, phenyl or phenoxy, Ar=phenyl, naphthyl, pyridyl, quinolyl, isoquinolyl, thienyl, thieno[2,3-b]thienyl or thieno[3,2-b]thienyl (these groups optionally substituted with halogen, alkyl, alkyloxy, CF.sub.3, NH.sub.2, alkylamino, dialkylamino, OH or CN), p=0, 1 or 2, andA--either Z=valency bond and R.sub.2 =HB--or Z=valency bond and R.sub.2 =pyridyl, quinuclidinyl, 3-pyrrolidinyl, 3- or 4-piperidyl (these groups optionally being substituted with alkyl, hydroxyalkyl, phenyl or phenylalkyl)C--or Z=alkylene radical (1 to 4C) and R.sub.2 =2-, 3- or 4-pyridyl, 3-quinuclidinyl, 2- or 3-pyrrolidinyl, 2-, 3- or 4-piperidyl (optionally substituted with alkyl, hydroxyalkyl, phenyl or phenylalkyl) or R.sub.2 =CON(R.sub.3)(R.sub.4) wherea) either R.sub.3 and R.sub.4 form a piperazine optionally substituted with alkyl, hydroxyalkyl, pyridyl, phenyl or phenylalkyl,b) or R.sub.