"Novel 5-(4-subst.phenyldiazenyl)-1,3,2-lambda-4-oxazaborines and their rearrangement to 1,2,4,3-lambda-4-triazaborines"@en . "RIV/00216275:25310/06:00003882!RIV08-MSM-25310___" . . "The reaction of substituted benzenediazonium tetraphenylborates with the b-enaminones derived from pentane-2,4-dione, 1-phenylbutane-1,3-dione and 1,4-diphenylbutane-1,3-dione with primary or secondary (N-methyl, N-phenyl) amino group in CH2Cl2 gives 5-(subst.phenyldiazenyl)-2,2-diphenyl-4,6-disubstituted-, or 5-(subst.phenyldiazenyl)-2,2-diphenyl-3,4,6-trisubstituted-1,3,2lambda4-oxazaborines, respectively. The reaction intermediate of these compounds has been identified, and the mechanism of the reaction has been suggested. Substituted 1,3,2lambda4-oxazaborines gradually rearrange into 1,2,4,3lambda4-triazaborines at temperatures above 100 \u00B0C." . . "Novel 5-(4-subst.phenyldiazenyl)-1,3,2-lambda-4-oxazaborines and their rearrangement to 1,2,4,3-lambda-4-triazaborines" . "Ly\u010Dka, Anton\u00EDn" . . . . "Reakc\u00ED 4-substituovan\u00FDch benzendiazonium-tetrafenylbor\u00E1t\u016F s b-enaminony (deriv\u00E1ty pentan-2,4-dionu, 1-fenylbutan-1,3-dionu a 1,4-difenylbutan-1,3-dionu) s prim\u00E1rn\u00ED nebo sekund\u00E1rn\u00ED (N-methyl, N-fenyl) aminoskupinou v CH2Cl2 vznikaj\u00ED 5-(subst.fenyldiazenyl)-2,2-difenyl-4,6-disubstituovan\u00E9-, nebo 5-(subst.fenyldiazenyl)-2,2-difenyl-3,4,6-trisubstituovan\u00E9-1,3,2lambda4-oxazaboriny. Byl identifikov\u00E1n reak\u010Dn\u00ED intermedi\u00E1t a navr\u017Een mechanismus t\u00E9to reakce. P\u0159i teplot\u00E1ch vy\u0161\u0161\u00EDch ne\u017E 100 \u00B0C p\u0159esmykuj\u00ED substituovan\u00E9 1,3,2lambda4-oxazaboriny postupn\u011B na 1,2,4,3lambda4-triazaboriny."@cs . "5"^^ . . "[FA509EDA18DE]" . "8" . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . . "Novel 5-(4-subst.fenyldiazenyl)-1,3,2-lambda-4-oxazaboriny a jejich p\u0159esmyk na 1,2,4,3-lambda-4-triazaboriny"@cs . . "Mach\u00E1\u010Dek, Vladim\u00EDr" . . . . "Novel 5-(4-subst.phenyldiazenyl)-1,3,2-lambda-4-oxazaborines and their rearrangement to 1,2,4,3-lambda-4-triazaborines" . . "3"^^ . . "Bertolasi, Valerio" . "2025-2030" . "Novel 5-(4-subst.phenyldiazenyl)-1,3,2-lambda-4-oxazaborines and their rearrangement to 1,2,4,3-lambda-4-triazaborines"@en . "Novel 5-(4-subst.fenyldiazenyl)-1,3,2-lambda-4-oxazaboriny a jejich p\u0159esmyk na 1,2,4,3-lambda-4-triazaboriny"@cs . . . "25310" . "489183" . . . . "25" . . "P(GA203/03/0356), Z(MSM0021627501)" . "Pe\u0161kov\u00E1, Mark\u00E9ta" . . "6"^^ . . "0276-7333" . "The reaction of substituted benzenediazonium tetraphenylborates with the b-enaminones derived from pentane-2,4-dione, 1-phenylbutane-1,3-dione and 1,4-diphenylbutane-1,3-dione with primary or secondary (N-methyl, N-phenyl) amino group in CH2Cl2 gives 5-(subst.phenyldiazenyl)-2,2-diphenyl-4,6-disubstituted-, or 5-(subst.phenyldiazenyl)-2,2-diphenyl-3,4,6-trisubstituted-1,3,2lambda4-oxazaborines, respectively. The reaction intermediate of these compounds has been identified, and the mechanism of the reaction has been suggested. Substituted 1,3,2lambda4-oxazaborines gradually rearrange into 1,2,4,3lambda4-triazaborines at temperatures above 100 \u00B0C."@en . "Organometallics" . "RIV/00216275:25310/06:00003882" . "azo coupling; beta-enaminones; oxazaborines; triazaborines; X-Ray; NMR"@en . . "\u0160im\u016Fnek, Petr" .