1) Tetrahydro-4H-pyran-4-one
四氢吡喃酮
2) tetrahydrocoumalin
四氢邻吡喃酮
3) tetrahydro-γ-pyrone
四氢-γ-吡喃酮
4) Tetrahydro-4H-pyran-4-one
四氢-4H-吡喃-4-酮
5) tetrahydropyran
四氢吡喃
1.
6%, while m-aminophenol was used as material, tetrahydropyran as hydroxyl shielding effect agent, ethyl bromide as ethyl reactant and dimethylsulfate as methyl reactant.
采用间氨苯酚为原料,以四氢吡喃(THP)作羟基保护剂,以溴乙烷作烷基化试剂,硫酸二甲酯作甲基化试剂,在原有最优化合成工艺条件下,经4步反应合成N-乙基间甲氧基苯胺,产率达到57。
2.
4-Chloro-6-phenyl-2-(2-oxopropyl)tetrahydropyran was obtained unexpectedly by the Prins reaction of 4-methyl-1,8-nonadiene-4,6-diol and benzaldehyde in the presence of indium trichloride in methylene chloride at room temperature.
以4-甲基-1,8-壬二烯-4,6-二醇为Prins反应的起始原料,在三氯化铟存在下与苯甲醛反应,得到了2-(2-氧代丙基)-6-苯基-4-氯四氢吡喃。
3.
9%,while m-aminophenol is used as reactant,tetrahydropyran as hydroxyl shielding effect agent,acetic anhydride as acyl protection reactant and amidogen mono-substituted alternative reactant,ethyl bromide as ethyl reactant,dimethylsulfate as methyl reactant.
采用间氨苯酚为原料,以四氢吡喃(THP)作羟基保护剂,以醋酸酐作酰基保护剂和氨基单取代的专一选择剂,以溴乙烷作烷基化试剂,硫酸二甲酯作甲基化试剂,在原有最优化合成工艺条件下,经六步反应合成N-乙基间甲氧基苯胺,产率达到65。
6) benzodipyrans
四氢苯并二吡喃酮
补充资料：四氢吡喃酮
分子式：C5H8O2
分子量：100.12
CAS号：29943-42-8
性质：密度1.084。沸点166-166.4°C。折射率1.451-1.453。闪点56°C。水溶性MISCIBLE。
分子量：100.12
CAS号：29943-42-8
性质：密度1.084。沸点166-166.4°C。折射率1.451-1.453。闪点56°C。水溶性MISCIBLE。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条