The bridged compound was produced from bis(bromomethyl)benzene and the chiral 1,5diazacyclooctane derivative 2 which was synthesized by reaction of 1,5diazacyclooctane with chiral Nchloroacetamidoalcohols 3.
由1,5-二氮环辛烷和手性酰胺醇3反应生成带手性侧臂的1,5-二氮环辛烷化合物2,后者与间二苄溴缩合得到新的桥连化合物1,其结构经元素分析、质谱、红外和1H、13C核磁等得到了证实。
From the year of 1999, Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) has begun with the construction and management of the quality system according to the standard of ISO9001 and has been approved by New Age Quality System Approval Center.
本文提出了大连化物所现有质量管理体系存在的主要问题，即：两套体系并行、质量管理同科研工作脱节、质量管理的作用和价值难以充分体现，并从质量管理体系的组织结构、文件、人员的能力和意识几方面对问题进行了分析。