Nonnatural amino acid 3-(4-thiazolyl)-D,L-alanine hydrochloride and its four intermediates were synthesized, their structures were detenmined by IR,NMR,elementary analysis and melting point.
合成了非

基酸3-(4-噻唑基)-D,L-丙
酸盐酸盐以及三个中间体,其结构分别通过红外光谱、
磁共振、元素分析、熔点等
试手段得到确证。
熔点标准物质熔点的
、
钨,宇宙中熔点最高的金属。


由强度不定的
链接成的非晶固体,它没有确定的
人(汇总)
情况



