INVESTIGATIONS ON DOUBLY N-15 LABELED ISOCYANOGEN (CNCN)

被引：24

作者：

GOEDE, SJ ^{[1
]}

DEKANTER, FJJ ^{[1
]}

BICKELHAUPT, F ^{[1
]}

机构：

[1] FREE UNIV AMSTERDAM,SCHEIKUNDIG LAB,1081 HV AMSTERDAM,NETHERLANDS

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1991年 / 113卷 / 16期

关键词：

D O I：

10.1021/ja00016a027

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The doubly nitrogen-15 labeled isotopomer CN-15CN-15 of isocyanogen (CNCN) has been prepared by a known route in three steps from [N-15(2)]hydrazine sulfate and quadricyclanone. The chemical reactivity of CN-15CN-15 has been explored. Most of the typical isonitrile reactions are too slow to compete with the polymerization of isocyanogen which starts as low as -80-degrees-C; defined products were only obtained on bromination to Br2CNCN (7) and on FVT at 750-degrees-C to give partial conversion to cyanogen (NCCN). The N-15 and C-13 NMR spectra of 1, 4, CN-15CN-15, N-15CCN-15, and [N-15(2)]7 are discussed; important aspects are the previously "missing" cyano group in CNCN which has now been identified and an unusually large C-13-N-15 coupling (1J = 48.9 Hz) in the central bond of isocyanogen.

引用

页码：6104 / 6107

页数：4

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