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1)  β-homoallylic alcohols
β-高烯基醇
2)  homoallyl alcohol
高烯丙基醇
1.
Allylsamarium bromide, prepared by the reaction of allyl bromide with samarium in THF at room temperature, reacted via 1,2-addition with α,β-unsaturated aldehydes or ketones to give homoallyl alcohol.
烯丙基溴与金属钐在室温条件下、THF溶剂中反应生成中间体烯丙基溴化钐 ,烯丙基溴化钐再与α ,β 不饱和醛、酮反应生成高烯丙基醇 。
3)  homoallylic alcohol
高烯丙基醇
1.
Allylation of terminal epoxides 1 can be carried out successfully by allyl bromide and metallic zinc or tin in a novel one-pot synthesis to give the homoallylic alcohols 2 and bishomoallylic alcohols 3.
烯丙基溴和金属锌或锡可成功地将末端环氧化合物1-锅法合成高烯丙基醇2和双高烯丙基醇3。
2.
Easy access to synthesize branched homoallylic alcohols was investigated.
通过铟促进下醛与2-苯基-4-溴-2-丁烯在水相中经烯丙基化反应合成一系列的支链高烯丙基醇,产率较高,反应条件温和。
3.
The enantioselective allylation of carbonyl compouds is one of the most valuable methods to furnish chiral homoallylic alcohols, which are widely used in the syntheses of many natural products and biologically active compounds.
高烯丙基醇广泛应用于许多天然产物和具有生物活性化合物的合成。
4)  β-vinyl alcohols
β-烯醇
5)  bishomoallylic alcohol
高高烯丙基醇
6)  linear homoallylic alcohol
直链高烯丙基醇
1.
The results showed that aliphatic aldehydes led to the linear homoallylic alcohols in moderate yields with excellent se-lectivities with indium triflate as catalyst in toluene.
结果发现,在In(OTf)3催化下,以甲苯为溶剂,由脂肪族醛合成的直链高烯丙基醇较芳香族醛具有较高的产率和较好的选择性,所得产物结构经1H NMR,13C NMR,IR,HRMS表征。
补充资料:16β-甲基孕甾-9(11)-烯-3β,17α-二醇-20-酮
分子式:C22H34O3
分子量:346.51
CAS号:暂无

性质:结晶。熔点206-216℃。

制备方法:可用海可吉宁经(3-位羟基)酰化、消除(9,11-位脱氢)、(12-位酮基)还原、氧化、水解、消除,生成3β-羟基孕甾-9(11),16-二烯-20-酮-3-醋酸酯,进而(16-位双键与亚硝基甲基脲)加成并消除,引入16β-甲基,然后经(16-位双键)环氧化并开环,形成17α-羟基-15,16-位双键,最后经(15-位双键)氢化、(3-位乙酰基)水解制得该品。

用途:倍他米松的中间体。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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