Abstract: A cationic surfactant is disclosed. The cationic surfactant has the general formula [Z-D-N(-D1-NR13+)a(R)2-a][X?]a where Z is a siloxane moiety or an unsubstituted hydrocarbyl moiety having from 5 to 20 carbon atoms, D is a covalent bond or a divalent linking group, D1 is a divalent linking group, R is H or an unsubstituted hydrocarbyl group having from 1 to 4 carbon atoms, each R1 is an independently selected unsubstituted hydrocarbyl group having from 1 to 4 carbon atoms, subscript a is 1 or 2, and each X is an anion. A method of preparing the cationic surfactant is also disclosed.

Abstract: The present invention provides a nonaqueous electrolyte solution, which can improve flame retardancy and ameliorate performances of a battery without deteriorating the basic battery performance as far as possible, and a secondary battery. The nonaqueous electrolyte solution is a nonaqueous electrolyte solution for a secondary battery that contains metal salts including ions of metals belonging to group 1 or 2 of the periodic table and a specific cyclic compound having phosphorus and nitrogen atoms in a non-protonic solvent. The non-protonic solvent is a solvent that contains at least one kind of carboxylic acid ester compound and carbonic acid ester compound, and a ratio (MPN/Ms) between a mass (Ms) of the non-protonic solvent containing the metal salts and a mass (MPN) of the cyclic compound is 0.01 to 1.

Abstract: Disclosed herein are a cosmetic composition comprising at least one diazirine active-agent compound comprising a diazirine covalently bonded to a cosmetic active agent, said at least one diazirine-active agent compound and the uses of the composition or of the compound, as well as cosmetic treatment processes using the composition or the compound.

Abstract: Disclosed herein are a cosmetic composition comprising at least one diazirine active-agent compound comprising a diazirine covalently bonded to a cosmetic active agent, said at least one diazirine-active agent compound and the uses of the composition or of the compound, as well as cosmetic treatment processes using the composition or the compound.

Abstract: Novel N-sulfinyl-2-carboxyaziridine compounds and novel N-hydrogen-2-hydroxymethylaziridine compounds are provided. The asymmetric synthesis of N-sulfinylaziridines is readily accomplished in high diastereomeric purity and good yield by the Darzens-type reaction of the metal enolate of an .alpha.-haloester and an enantiopure sulfinimine. Ring-opening of these aziridines affords .alpha.-amino acids and the otherwise difficult to prepare syn-.beta.-hydroxy-.alpha.-amino acids, both key structural units found in many bioactive materials. The N-sulfinyl radical may be selectively removed from the novel aziridine compounds by treatment with acid or base. Alternatively, the N-sulfinyl radical may be oxidized to provide the corresponding N-sulfonyl-aziridine, or reduced to form the corresponding 1H-2-hydroxymethylaziridine, either of which may subsequently be ring-opened to provide precursors to bioactive compounds.

Abstract: Diphosphonic acids of formula (I) are useful as antitumor agents.

Abstract: The present invention relates to compounds of the Formula I: ##STR1## wherein R is hydrogen, alkyl, cycloalkyl, phenyl, or alkylphenyl, and n is 2 through 4, the production thereof, pharmaceutical compositions thereof, and their use in antineoplastic therapy.

Abstract: The disclosure defines a series of novel quaternary silicone polymers useful in softening hair, and fiber and conditioning skin. The compounds are silicone polymers which contain a quaternary nitrogen pendant group. In one embodiment, the quaternary nitrogen group has an alkylamido function, in another embodiment it contains a imidazoline derived function. These compounds have a high degree of oxidative stability, even at elevated temperatures, are non volatile and unlike many other traditional fatty quaternary compounds are non yellowing when applied to textile substrates.