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  5. Some interesting CH<sub>2</sub>CH<sub>3</sub> spin systems in several diethy

Some interesting CH<sub>2</sub>CH<sub>3</sub> spin systems in several diethy

来源 :中国科学：化学英文版 | 被引量 : 0次 | 上传用户：miaoym
【摘 要】
：
While studying the electrophilic cyclization of acetylenic malonates in synthesizing malonate indene derivatives with high regio and stereo-selectivity, we foun
【出 处】
：
中国科学：化学英文版
【发表日期】
：
2009年7期
【关键词】
：
ELECTROPHILIC CYCLIZATION spin-spin coupling signal MULTIPLICITY molecular model 
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While studying the electrophilic cyclization of acetylenic malonates in synthesizing malonate indene derivatives with high regio and stereo-selectivity, we found that the CH2 and CH3 protons of two COOCH2CH3 groups in some diethyl malonate indene derivati
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