Key points are not available for this paper at this time.
N-Acetyl-D,L-penicillamine (1) was converted by HNO2 into a thionitrite (3) which was stable as a solid and atypically so even in solution; X-ray structural parameters are given for (3), and both homolytic and heterolytic reactions are described.
Field et al. (1978) studied this question.