Synthesis and 1 H and 13 C NMR spectra of sulfur derivatives of pyrazine derived from amidation product of 2-chloropyrazine and 6-chloro-2-pyrazinecarbonitrile. …
K Dlabal, K Palát, A Lyčka…
文献索引：Collection of Czechoslovak Chemical Communications, , vol. 55, # 10 p. 2493 - 2501
... The crystals were collected by suction, washed with water, ethanol, and diethyl ether. and dried in a dessiccator. 3-Mereapto-2-pyrazineearboxamide (Id). ... Collect. Czech. Chern. Cornmun. (Vol. 55) (1990) ... IV c: ;:. . 1 Hand 13 C NMR chemical shifts (0, ppm) in compounds JIã ...
