TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred Components: The catalyst layer and electrolyte membrane further comprise: a proton conductor comprising a phosphoric acid and/or 1-20C organic phosphonic acid; a catalyst; and a binder. The electrode further comprises binder.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The catalyst is a catalyst metal or a support catalyst in which the catalyst metal is loaded on a carbonaceous support. The catalyst/catalyst metal is: platinum; a metal-platinum alloy including platinum and at least one metal (a) comprising gold, palladium, rhodium, iridium, ruthenium, tin, molybdenum, cobalt and chromium; or a mixture including platinum and at least one metal (a).    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Disclosed): Preparation of (A) comprises heating phenol compound of formula (a), p-formaldehyde and an amine compound of formula (NH2R2) optionally in the presence of solvent and then refluxing the mixture to give (I) (where R1a, R1b are H).    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The crosslinkable compound is polybenzimidazole, polybenzimidazole-base complex, polybenzthiazole, polybenzoxazole, and/or polyimide. The crosslinkable compound is present at 5-95 parts by weight based on 100 parts by weight of (A). The polymer is present at 0.001-0.65 parts by weight based on 1 part by weight of the catalyst. The binder is poly(vinylidene fluoride), polytetrafluoroethylene, tetrafluoroethylene-hexafluoropropylene copolymer, fluorinated ethylene propylene, styrene butadiene rubber, and/or polyurethane. The binder is present at 0.1-50 parts by weight based on 100 parts by weight of the catalyst. Preferred Definitions:    At least one of R1, R1a, R1b = F, fluorinated 1-20C alkyl, fluorinated 6-20C aryl (preferably 3-trifluoromethyl-benzene moiety, 4-fluoro-benzene moiety, 2,4-difluoro-benzene moiety, 3,4-difluoro-benzene moiety, 2,4,6-trifluoro-benzene moiety, 2,5-difluoro-benzene moiety, 2,6-difluoro-benzene moiety or 2,3,4,5,6-pentafluoro-benzene moiety), fluorinated 2-20C heteroaryl, fluorinated 2-20C heteroaryloxy, fluorinated 4-20C cycloalkyl or fluorinated 2-20C heterocyclic group; and    R2 = pyridin-2-yl, pyridin-3-yl, pyridin-4-yl or pyrimidin-2-yl.    In formula (II)-(V),    R2 = 3-trifluoromethyl-benzene moiety, 4-fluoro-benzene moiety, 2,4-difluoro-benzene moiety, 3,4-difluoro-benzene moiety, 2,4,6-trifluoro-benzene moiety, 2,5-difluoro-benzene moiety, 2,6-difluoro-benzene moiety or 2,3,4,5,6-pentafluoro-benzene moiety.    SPECIFIC COMPOUNDS - 8 Compounds (A) are specifically claimed i.e. 6-fluoro-3-pyridin-2-yl-3,4-dihydro-2H-benzo(e)(1,3)oxazine of formula (Ia), 6-fluoro-3-pyridin-3-yl-3,4-dihydro-2H-benzo(e)(1,3)oxazine, 6,7-difluoro-3-pyrimidin-2-yl-3,4-dihydro-2H-benzo(e)(1,3)oxazine, 3-(3,4-difluoro-phenyl)-3,4-dihydro-2H-pyrido(2,3-e)(1,3)oxazine, and 2-(3,4-difluoro-phenyl)-2,3-dihydro-1H-4-oxa-2,5-diaza-phenanthrene.    EXAMPLE - 4-Fluorophenol (2 g), paraformaldehyde (1.24 g), and 2-aminopyridine (1.85 g) were sequentially added to a flask, and then mixed in an oil bath at 90 degrees C. The reaction mixture was quenched with tetrahydrofuran (THF) and cooled to room temperature. The crude product cooled to room temperature was base washed twice by solvent extraction that used an aqueous 1N sodium hydroxide solution, and then washed once again with deionized water. After the washing process was terminated, the organic layer was dried and then continuously filtered. A solvent was removed from the filtrate and then the purified product was dried at 40 degrees C for 6 hours to give 6-fluoro-3-pyridin-2-yl-3,4-dihydro-2H-benzo(e)(1,3)oxazine.