Electrochemical fluorination of N-containing carboxylic acids Part 5. Fluorination of the methyl esters of cis-2,6-dimethylmorpholino-group substituted carboxylic acids
Cis-2,6-dimethylmorpholine and its derivatives having an ester group were subjected to electrochemicalfluorination. The electrochemicalfluorination of cis-2,6-dimethylmorpholine afforded only a small quantity of F-(N-fluoro-2,6-dimethyl-morpholine), whereas the N-(methoxycarbonylalkyl)-substituted cis-2,6-dimethyl-morpholines gave the corresponding F-acid fluorides in fair yields. Cis-and trans-isomerization
Disclosed is a resin composition comprising a copolymer [I] having a number average molecular weight of at least 15,000, which comprises at least 30 mole% of the following recurring units [A]:
and a compound [II] having a number average molecular weight of at least 1,000, which is comprised of perfluoroalkylether recurring units [D]. This resin composition is used as a cladding of a core-clad optical fiber.
Thermal preactivation of gaseous precursor filled compositions
申请人:IMARX PHARMACEUTICAL CORP.
公开号:EP0901793A1
公开(公告)日:1999-03-17
The present invention describes, among other things, the surprising discovery that gaseous precursor filled compositions are profoundly more effective as acoustically active contrast agents when they are thermally preactivated to temperatures at or above the boiling point of the instilled gaseous precursor prior to their in vivo administration to a patient. Further optimization of contrast enhancement is achieved by administering the gaseous precursor filled compositions to a patient as an infusion. Enhanced effectiveness is also achieved for ultrasound mediated targeting and drug delivery.
Composition anhydre fluorée et produits cosmétiques ou de soins la contenant
申请人:L'OREAL
公开号:EP0953331A2
公开(公告)日:1999-11-03
Composition anhydre et homogène comprenant en association au moins une huile fluorée et au moins une cire fluorée à squelette carboné.
Cette composition trouve une application dans la préparation de produits de maquillage ou de soins.
Novel compositions useful for delivering compounds into a cell
申请人:ImaRx Pharmaceutical Corp.
公开号:EP1046394A2
公开(公告)日:2000-10-25
The present invention is directed, inter alia, to compositions and their use for delivering compounds into a cell. In a preferred embodiment, the compositions comprise, in combination with the compound to be delivered, an organic halide, a targeting ligand, and a nuclear localization sequence, optionally in the presence of a carrier. Ultrasound may be applied, if desired. The compositions are particularly suitable for the treatment of inflammatory diseases.