N-Methylacridinium iodide

Dibenzo-l,4-diazepines. l-Methyidibcnzo[6, -l,4-dia7epine (2) is obtained in 71.5% yield by reaclion of N-methylacridinium iodide (1) with hydroxylamine-O-sulfonic acid in absolute methanol containing 30% ammonia (3-4 hr., room tempera-... 

Methyl 30-acetoxy-A5-etienate, 118-119 Methyl N-acetylcysteinate, 425 N-Methylacridinium iodide, 256 Methyl acrylate, 107, 335 a-Methylalanine, 274 Methyl a-alkylaryl acetates, 494 a-Methylallyl acetate, 322 O-Methylandrocymbine, 499 O-Methylanhalonide, 250 N-Methylanilinomagnesium bromide, 11 N-Methylation, 197,450 S-Methylation, 85 2-Methylbenzofurane, 129 2-Methylbenzoquinone, 354, 355... 

N-Methylacridinium iodide allowed to stand 3-4 hrs. at room temp, with hydroxyl-amine-O-sulfonic acid in abs. methanol containing 30% NH3 -> 5-methyldibenzo-[b,e][l,4]diazepine. Y 71.5%. F. e. s. M. Hirobe and T. Ozawa, Tetrah. Let. 1971, 4493. 

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See also in sourсe #XX -- [ ]

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