New syntheses of [1,2,5]oxadiazolo[3,4-e][1,2,3,4]tetrazine 4,6-dioxide

被引:30
|
作者
Zelenov, V. P. [1 ]
Lobanova, A. A. [2 ]
Sysolyatin, S. V. [3 ]
Sevodina, N. V. [2 ]
机构
[1] Russian Acad Sci, Zelinskii Inst Organ Chem, Moscow 119991, Russia
[2] Altay Fed Res & Prod Ctr, Biisk, Altay Krai, Russia
[3] Russian Acad Sci, Siberian Branch, Inst Problems Chem & Energet Technol, Biisk, Altay Krai, Russia
关键词
DIAZENE N-OXIDES; HALO COMPOUNDS; CHEMISTRY; NITRATION; ENTHALPY; AMINES; ACID;
D O I
10.1134/S107042801303024X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
New methods were developed for the synthesis of [1,2,5]oxadiazolo[3,4-e][1,2,3,4]tetrazine 4,6-dioxide from 4-(tert-butyl-NNO-azoxy)-N-nitro-1,2,5-oxadiazol-3-amine or its alkali metal salts and acid anhydrides (or chlorides) in the presence of strong acids. The yield of [1,2,5]oxadiazolo[3,4-e][1,2,3,4]tetrazine 4,6-dioxide in acetic anhydride in the presence of sulfuric acid or sulfuric anhydride at 20A degrees C in 20 min attained 83%. A general mechanism was proposed for the reactions under study. Acetyl group behaved for the first time as departing group in the synthesis 1,2,3,4-tetrazine 1,3-dioxides, and [1,2,5]oxadiazolo[3,4-e][1,2,3,4]tetrazine 4,6-dioxide was obtained in 47% yield from N-[4-(acetyl-NNO-azoxy)-1,2,5-oxadiazol-3-yl]acetamide.
引用
收藏
页码:455 / 465
页数:11
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