1965
DOI: 10.1002/jlac.19656860116
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3.6‐Dihydro‐2H‐1.2‐oxazine durch Diels‐Alder‐Synthesen mit Nitrosoverbindungen

Abstract: D. KLAMANN, P. WEYERSTAHL, M. FLIGCE und J. KRATZER Bd. 686 b) In Dimethylformamid: Erhitzte man 5 g XI1 in 50 ccm Dimethylformamid 112 Stde. zum Sieden, so entstand das schwerlosliche Chinon X I V (0.7 g) vom Schmp. 278-280". Das Chinon X I V ergibt mit alkalischer Natriumdithionit-Losung eine gelbe Kupe, bei der 0xydation entsteht ein blauer Niederschlag. -Massenspektrum (MZ und relative Intensitaten) : 456:10;423: 50; 345:lOO. C25H13NO& (455.5) Ber. C 65.92 H 2.88 N 3.07 S 14.08 Gef. 65.88 3.11 2.88 13.43 A… Show more

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Cited by 11 publications
(4 citation statements)
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“…Caro's acid oxidation of amines has been used to prepare the trans-dimers of 1-methyl-1-nitrosocyclohexane and 2-nitroso-2-phenylpropane. 128 Commercially available Oxone (with acetone as solvent in a biphasic oxidation process) has been used to prepare the trans-dimers of nitrosocyclohexane, 1-nitrosobutane, and 1-nitrosodecane. 168 In these cases, the isomeric oximes were also formed.…”
Section: Oxidation Of Other Nitrogen-containing Functional Groupsmentioning
confidence: 99%
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“…Caro's acid oxidation of amines has been used to prepare the trans-dimers of 1-methyl-1-nitrosocyclohexane and 2-nitroso-2-phenylpropane. 128 Commercially available Oxone (with acetone as solvent in a biphasic oxidation process) has been used to prepare the trans-dimers of nitrosocyclohexane, 1-nitrosobutane, and 1-nitrosodecane. 168 In these cases, the isomeric oximes were also formed.…”
Section: Oxidation Of Other Nitrogen-containing Functional Groupsmentioning
confidence: 99%
“…The term nitrosite is a shortened form of nitrosonitrite, whereas the term pseudonitrosite is used for the isomeric nitronitroso addition compound. Preparative details for addition of dinitrogen trioxide to CC compounds to give dimeric nitronitroso (pseudonitrosite) derivatives are given for but-2-ene, dimethylbutadiene, styrene, 4-methoxy-propenylbenzene (anethole), 4-propenyl-1,2-methylenedioxybenzene (isosafrole), stilbene, cyclohexene, cyclooctene, and cycloocta-1,5-diene. Details are also given for nitronitroso derivatives from l -α-phellandrene and for cinnamyl acetate and for initial nitrosonitrites from propene, 2-methylpropene, 3-chloropropene, and 2,3-dimethylbut-2-ene . Pfab showed that the addition of dinitrogen trioxide to 2-methylpropene produced the trans- dimer of 1-nitro-2-methyl-2-nitrosopropane together with other products from oxidation of the monomeric nitroso compound.…”
Section: 32 Addition Of Oxides Of Nitrogenmentioning
confidence: 99%
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“…Table I ) . Trichloronitrosomethane [32] is similarly reactive as 1. Evidently, the high reactivity of 1 is due to the presence of the two highly electronegative substituents at C(1).…”
mentioning
confidence: 99%