A Regioselective Synthesis of 3-Isoprenyl-4-Hydroxycoumarins
摘要:
the dianion of ethyl 3-(2-hydroxyphenyl)-3-oxopropanoate can be regioselectively alkylated with isoprenyl bromides to give, after hydrolytic work-up, the corresponding 3-substituted-4-hydroxycoumarins.
A Regioselective Synthesis of 3-Isoprenyl-4-Hydroxycoumarins
摘要:
the dianion of ethyl 3-(2-hydroxyphenyl)-3-oxopropanoate can be regioselectively alkylated with isoprenyl bromides to give, after hydrolytic work-up, the corresponding 3-substituted-4-hydroxycoumarins.