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7 年
Garegg-Samuelson二醇消除反应
邻二醇与碘、亚膦酰氯和咪唑得到碘代亚膦酸酯中间体,在锌粉催化下消除得到烯烃的反应。 平台声明:该文观点仅代表作者本人,搜狐号系信息发布平台,搜狐仅提供信息存储空间服务。
RIETI独立行政法人経済産業研究所
13 年
贸易自由化与收入差距
人们越来越关注收入差距问题,这是因为发达国家的收入差距在扩大。美国哥伦比亚大学教授Joseph Stiglitz在本文开头的题为 ...
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