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雌甾的双羟甲基化和双咪唑甲基化反应 被引量:3
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作者 谢如刚 鄢家明 +1 位作者 张祝君 韩明成 《有机化学》 SCIE CAS CSCD 北大核心 1992年第4期396-399,共4页
雌笛A环的羟甲基化和咪唑甲基化是两类重要反应,能增大雌甾的亲水性能,改变雌甾的化学性质和生理活性。在进行甾体仿酶模型的设计合成时。
关键词 雌甾 双羟甲基化 咪唑甲基
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Synthesis of 9,9′-Bis(methoxymethyl)fluorene 被引量:1
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作者 陈磊 宋健 +1 位作者 冯荣秀 吴小平 《Transactions of Tianjin University》 EI CAS 2003年第3期226-227,共2页
This paper describes the procedures for the facile synthesis of 9,9′-bis(methoxymethyl)fluorene using fluorene as starting material. By hydroxymethylation and etherification reaction, the fluorene can be converted to... This paper describes the procedures for the facile synthesis of 9,9′-bis(methoxymethyl)fluorene using fluorene as starting material. By hydroxymethylation and etherification reaction, the fluorene can be converted to desired products with high yield and purity. The optimum conditions of the synthetic procedures were determined. For hydroxymethylation, the reaction temperature was 13 ℃and the mole ratio of sodium methoxide to paraformaldehyde was 0.26; and for etherification, the reaction temperature was 40 ℃and the reaction time was 15 h. Under the optimum conditions, an overall yield of 580 0 and purity of 99.20 0 were obtained. 展开更多
关键词 bis(methoxymethyl)fluorene 9 9′-bis(hydroxymethyl)fluorene FLUORENE
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