CAS: 34086-50-5; 5-Hydroxy-7-(4-Hydroxyphenyl)-2,2-Dimethyl-2H,6H-Pyrano[3,2-G]Chromen-6-One

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CAS号141737-59-9 (E)-6-(3-(4-(be... | CAS号63807-90-9 二氢猫尾草异黄酮 | CAS号27763-00-4 5-hydroxy-3-(4'... | CAS号114090-99-2 5-hydroxy-3-(4'... | CAS号51225-30-0 Wighteone

(E)-7-(Benzyloxy)-6-(3-(4-(Benzyloxy)Phenyl)Acryloyl)-5-Methoxy-2,2-Dimethylchroman-4-One置于palladium On Activated Charcoal 盐酸,Sodium Tetrahydroborate,氢气,三氯化硼,对甲苯磺酸,Sodium Hydrogensulfite,Thallium(III) Nitrate体系中,用 四氢呋喃,二氯甲烷,甲苯 用作溶剂,化学反应 2.0H,反应生成猫尾草异黄酮
参考文献:Synthesis Of 4',5-And 3',4',5-Oxygenated Pyranoisoflavones: Alpinumisoflavone And Related Compounds,And A Revised Structure Of Derrone
标题:Synthesis Of 4',5-And 3',4',5-Oxygenated Pyranoisoflavones: Alpinumisoflavone And Related Compounds,And A Revised Structure Of Derrone
摘要:Alpinumisoflavone (4',5-Dihydroxy-2".2"-Dimethylpyrano[5",6"-G]Isoflavone) (1A) Was Synthesized By Regioselective Reduction Of 7-(4-Hydroxyphenyl)-2,3-Dihydro-5-Methoxy-2,2-Dimethyl-4H,6H-Benzo[1,2-B:5,4-B'] Dipyran-4,6-Dione (15A) With Nabh4 And Dehydration Of The Resultant Alcohol,Followed By Demethylation With Bc13. Its Angular Isomer (4',5-Dihydroxy-2",2"-Dimethylpyrano[6",5"-H]Isoflavone) (2A) Was Synthesized From 3-(4-Hydroxyphenyl)-8,9-Dihydro-5-Tosyloxy-8,8-Dimethyl-4H,10H-Benzo [1,2-B:3,4-B']Dipyran-4,10-Dione (27A) In A Similar Manner.
Doi:10.3987/com-91-5918