Abstract: A process for the preparation of phosphatidylserines, comprising the reaction of phosphatides, such as phosphatidylcholine and phosphatidylethanolamine, with racemic or enantiomerically pure Serine, preferably with (L)-Serine, wherein said reaction is carried out in an aqueous dispersion of said phosphatides in the presence of a phospholipase D (PLD) and of calcium salts.

Abstract: Described herein is the process for the preparation of 3-substituted 4-phenyl-piperidine derivatives of formula (I) in which X is selected from H and F, and R is selected from the group consisting of H, C1-C6 alkyl, C3-C6 alkenyl, and benzyl, comprising three steps starting from the monoamide of malonic acid and cinnamic aldehyde, or derivatives thereof.

Abstract: The present invention relates to a purifying process for phosphatidylserine, the latter being prepared by trans-phosphatidylation of phosphatidylcholine with serine in presence of the enzyme D-phospholipase and containing as impurities hydrophilic compounds, proteins and inorganic salts.

Abstract: The invention relates to a process for the preparation of phosphatidylserines by reacting racemic or enantiomerically pure serine, preferably (L)-serine, with natural phosphatides, such as soybean or egg lecithin, or with synthetic phosphatides, in the presence of a phospholipase D, having transphosphatidylating activity, in an aqueous/organic diphasic system.

Abstract: A process for fractionating deacylated glycerophospholipids of the formula (I): ##STR1## wherein R is a negative charge; a hydrogen atom; a CH.sub.2 CH.sub.2 NR.sup.1 R.sup.2 residue wherein R.sup.1 and R.sup.2, which are the same or different, are H or C.sub.1 -C.sub.4 alkyl; a CH.sub.2 CH.sub.2 N.sup.+ (CH.sub.3).sub.3 residue; a CH.sub.2 CH(NH.sub.2)COOH residue or a residue of the formula: ##STR2## and X is OH or 0.sup.-, is described. The process involves subjecting an aqueous or hydroalcoholic mixture of two or more of the deacylated glycerophospholipids to electrodialysis in an electrolytic cell comprising a number of compartments. The compartments are separated by cation-exchange membranes, anion-exchange membranes or both cation-exchange and anion-exchange membranes, at a pH effective to differentiate the deacylated glycerophospholipids.

Abstract: A process for the preparation of highly pure deacylated glycerophosphorylcholine, glycerophosphorylethanolamine and glicerophosphorylserine starting from mixtures of the corresponding acylated derivatives.The process according to the invention is characterized in that the deacylation reaction, by means of alcoholysis, and the fractionation are carried out in a single step in a reactor containing a basic ion-exchange resin.

Abstract: A class of particularly active insecticidal compounds: N-(halobenzoyl)-N'-2-halo-4-[1,1,2-trifluoro-2-(trifluoromethoxy)ethoxy]-p henyl-ureas, the preparation of such compounds and their use against infestations by insects.

Abstract: Compounds are disclosed having formula: ##STR1## wherein: R is Cl, F;R.sub.1 is H, Cl, F;R.sub.2 and R.sub.5, equal to or differing from each other, are H, halogen, alkyl C.sub.1 -C.sub.4 ;R.sub.3 and R.sub.4, equal to or differing from each other, are: H, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkenyl, haloalkenyl, alkenyloxy, haloalkenyloxy or alkynyl;Z is O, S or a group NR.sub.7, wherein R.sub.7 is alkyl C.sub.1 -C.sub.3 or H;Y is alkylene C.sub.2 -C.sub.4, haloethylene or haloethenyl;R.sub.6 is alkyl C.sub.1 -C.sub.4, haloalkyl C.sub.1 -C.sub.4, alkenyl C.sub.3 -C.sub.4, haloalkenyl C.sub.3 -C.sub.4, cycloalkyl C.sub.3 -C.sub.4, halocycloalkyl C.sub.3 -C.sub.4 or cycloalkenyl C.sub.3 -C.sub.4.The compounds having formula (I) are endowed with an elevated insecticide activity, which shows itself chiefly against insect larvae and eggs.

Abstract: There is disclosed a process for preparing polyhalogenated carbinols having formula: ##STR1## by reacting a compound having formula: ##STR2## with a system consisting of a compound having formula: ##STR3## and of a divalent metal or of a metal salt, in protic dipolar solvents, in which formulaeR=H, an alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkadienyl, phenyl, naphthyl, anthracyl group, a heterocyclic radical, optionally substituted;R'=H, a haloalkyl, --CN, --COOR" group with R" equal to H or to an alkyl group;X.sup.1 =Cl, Br; .dbd.X.sup.2 =F, Cl, Br;X.sup.3 =Cl, Br, CF.sub.3, CCl.sub.3 ; Y=Br or Cl when X.sup.1, X.sup.2 and X.sup.3 are different from Br.

Abstract: There is disclosed a process for preparing polyhalogenated carbinols having formula: ##STR1## by reacting a compound having formula: ##STR2## with a system consisting of a compound having formula: ##STR3## and of a divalent metal or of a metal salt, in protic dipolar solvents, in which formulaeR=H, an alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkadienyl, phenyl, naphthyl, anthracyl group, a heterocyclic radical, optionally substituted;R'=H, a haloalkyl, --CN, --COOR" group with R" equal to H or to an alkyl group;X.sup.1 =Cl, Br; =X.sub.2 =F, Cl, Br;X.sup.3 =Cl, Br, CF.sub.3, CCl.sub.3 ; Y=Br or Cl when X.sup.1, X.sup.2 and X.sup.3 are different from Br.

Abstract: Derivatives of 2,2-dimethylcyclopropanecarboxylic acid endowed with insecticidal and acaricidal activity, and having the formula ##STR1## wherein: R is an alkyl, cycloalkyl, alkenyl or alkynyl radical having from 1 to 8 carbon atoms, optionally substituted with halogen atoms, or R is an aryl radical optionally substituted with halogen atoms, alkyl or alkoxyl radicals;Y is O or S;X is H, F, Cl, Br, --CH.sub.3, or --CF.sub.3 ;R.sub.1 represents a group having the formula: ##STR2## wherein: X.sub.1 =H or F; X.sub.2 =H, --CN, or --C.tbd.CH; Q=O or CH.sub.2 ; A=CH or N when X1=H, X2=CN and Q=O.

Abstract: There are described 1-phenoxy(phenylthio)-4-aryl-alkynyloxy-benzene derivatives endowed with a juvenile hormonic activity towards insects and with an acaricide activity. The use of these compounds for controlling insects infestations in both the agrarian and civil field and the processes for preparing said compounds are described too.

Abstract: There are described compounds of formula: ##STR1## in which X (or X')=H, F, Cl and X' (or X)=F, Cl; ##STR2## with R.sup.2 =H, Cl, Br, F an optionally halogen-substituted alkyl C.sub.1 -C.sub.3 ;R.sup.3 =halogen, an optionally halogen-substituted alkyl C.sub.1 -C.sub.3 ;R.sup.4 =H or R.sup.3 ;R.sup.1 =H, halogen, an optionally halogen-substituted alkyl C.sub.1 -C.sub.3, OCH.sub.3, SCH.sub.3, OCF.sub.3 ;n=an integer from 1 to 4.The compounds of formula I are endowed with a high insecticide activity which is mainly exerted against insects' larvae and eggs.

Abstract: There are described compounds of formula: ##STR1## in which one of R and R.sup.1 is F or Cl and the other is H, F or Cl;X is a 1,4-phenylene or pyridyl bound in positions 2 and 5, optionally substituted;Y is a phenyl, 2- or 3-pyridyl, optionally substituted.The compounds of formula I are endowed with a high insecticide activity which is mainly directed against insect larvae and eggs.

Abstract: There is disclosed a method for fighting infestations of acari or noxious insects including ants, more particularly "fire-ants", by treating the insect, its habitat, or its food with a hydroquinone diether having at least one acetylenic and halogen-substituted chain and selected from 1-[(5-chloro-pent-4-inyl)-oxy]-4-phenoxybenzene of formula ##STR1## and 1,4-di-(5-chloro-4-pentinyloxy)-benzene of formula ##STR2## The disclosure comprises a method for fighting ants using the diether of formula (I) either as such or as an active ingredient of suitable formulations or poisoned baits.

Abstract: Acaricide mixtures obtained from the synergistic coupling of an acaricide belonging to the class of the hydroquinone diethers with metallic copper or copper compounds and the use of said mixtures in suitable compositions in the treatment of mite infestations on useful plants are disclosed.

Abstract: There is described a process for preparing the compound 1-decyloxy-4-[(7-oxa-4-octynyl)-oxy]-benzene consisting in condensing methyl-propargyl-ether with 1-bromo-3-chloro-propane and in reacting the resulting intermediate with 4-decyloxy-phenol in the presence of an alkaline hydroxide.The process can be carried out also without purifying the intermediate obtained from the first reaction.

Abstract: A method for fighting infestations by ants is disclosed. It consists in using 1-[(5-chloro-pent-4-inyl)-oxy]-4-phenoxy-benzene either as such or as an active ingredient of compositions or poisoned baits.The present invention concerns a method for fighting infestations by ants and, more particularly, it relates to a fighting method that consists in using, for the purpose, the compound 1-[(5-chloro-pent-4-inyl)-oxy]-4-phenoxy-benzene either as such or in the form of suitable formulations.

Abstract: There are described hydroquinone-diethers endowed with a high acaricide activity, the processes for their preparation and their use as acaricides.

Abstract: There are disclosed two hydroquinone diethers having at least one acetylenic and halogen-substituted chain and exhibiting juvenile hormone and acaricide activity and which show unexpected activity on Tenebrio molitor and Tribolium confusum.The two hydroquinone ethers are obtained by:(a) reacting one mole of hydroquinone alkali metal salt with two moles of 1,5-dichloropent-4-yne, or equimolar quantities of an alkali metal salt of 4-phenoxy-phenol with 1,5-dichlorpent-4-yne; or(b) by reacting the hydroquinone alkali metal salt or the 4-phenoxy-phenol alkali metal salt with the indicated quantities of 1,1,1,5-tetrachloropentane and then dehydrohalogenating the condensation product with alkali metal carbonates or hydroxides in dimethylsulphoxide.