【摘 要】
：
The synthesis of epoxy aldehyde 4, a cyclization precursor for the total synthesis of 14-deoxycrassin and pseudoplexaurol, starting from geraniol in a convergen
【出 处】
：
Chinese Chemical Letters
论文部分内容阅读
The synthesis of epoxy aldehyde 4, a cyclization precursor for the total synthesis of 14-deoxycrassin and pseudoplexaurol, starting from geraniol in a convergent and stereoselective manner, is described.
The synthesis of epoxy aldehyde 4, a cyclization precursor for the total synthesis of 14-deoxycrassin and pseudoplexaurol, starting from geraniol in a convergent and stereoselective manner, is described.
其他文献
The interface between a-PMMA thin film and silver mirror substrate was investigated using surface-enhanced Raman scattering (SERS). It is found that the molecu
一台手扶拖拉机在完成机耕后,发动机就不能起动了。经用不拆卸检查仪进行检查,发现气缸压缩良好。供油时间正常,柱塞副及出油阀密封性均良好,喷油压力也正常,只是有偏射现象
Three new flavonol glycosides were isolated from the leaves of Helicia nilagirica Beed.. The structures were elucidated as kaempferol-3-O-b-D-xylopyranosyl-(1
Two new diterpenoids, forskolin G and H were isolated from the chloroform extract of the roots of Coleus forskohlii, and based on spectroscopic data, their stru
High-density polyethylene/carbon black foaming conductive composites were prepared from acetylene black(ACET) and super conductive carbon black(HG-1P) as conduc
1 临床特点 ①发病年龄较轻:交界性卵巢肿瘤发病年龄为20～40岁,较卵巢癌患者明显提前。②诊断时期别较早;多数学者报道,此类患者确定诊断时Ⅰ期占50％～80％,Ⅱ期10％～30％,Ⅲ期5％～28％,无Ⅳ
治疗哮喘的目的是尽快减轻支气管阻塞症状 ,吸入疗法因其用药量小 ,局部高效 ,副作用少等优点 ,已逐步成为哮喘治疗中的主要用药方式。喘乐宁气雾剂(ＭＤＩ)在临床上现已广为使用 ,
小王的儿子今年5岁了,周末的一天当他买菜回家时,发现独自在家的儿子神情异样,满头大汗,反复说肚子疼,头疼,想呕吐,还看不清东西,喘不过气来,仔细一问,原来是误服了毒鼠药。
Innocoll制药公司日前将其开发的外科用庆大霉素植入剂产品在美国的独家经销权转让给了Baxter公司。该植入剂产品为完全可生物降解、术后可留在体内的一种饱含高浓度庆大霉素