📜(3-Acetyloxy-2-Ethoxycarbonylbenzyl)-Triphenylphosphonium Bromide置于palladium On Activated Charcoal 氢氧化钾,氢气,Sodium Ethanolate,三氟乙酸体系中,用 乙醇,水,乙酸乙酯,1,2-二氯乙烷 作为反应溶剂,化学反应 53.0H,反应生成 绣球酚 参考文献:Efficient Syntheses Of (+/-)-Hydrangenol,(+/-)-Phyllodulcin And (+/-)-Macrophyllol 标题:Efficient Syntheses Of (+/-)-Hydrangenol,(+/-)-Phyllodulcin And (+/-)-Macrophyllol 摘要:In This Paper We Report On A Efficient And Flexible Synthetic Route Towards The Total Syntheses Of The Dihydrocoumarine Derivatives Hydrangenol (1),Phyllodulcin (1A) And Macrophyllol (6B). The Syntheses Started With A Readily Available Phosphonium Salt 2 And Suitable Modified Benzaldehydes 3/3A/3B Resulting In 46 To 61% Overall Yields In Three To Four-Steps Sequences. The Racemic Products Could Be Separated By Chiral HPLC. The Evidence Of The(R)-Enantiomer For Sweetness Could Be Demonstrated For La. (C) 2003 Elsevier Ltd. All Rights Reserved. DOI:10.1016/j.Tet.2003.09.046
1: Kim SY, Chung KS, Jang SY, Han HS, Heo SW, Lee JK, Kim HJ, Shin YK, Ahn HS, Lee SH, Lee KT. Hydrangenol, an active constituent of Hydrangea serrata (Thunb.) Ser., ameliorates colitis through suppression of macrophage-mediated inflammation in dextran sulfate sodium-treated mice. Food Funct. 2023 Jul 31;14(15):6957-6968. doi: 10.1039/d3fo01243c. 125(Pt A):111083. doi: 10.1016/j.intimp.2023.111083. Epub 2023 Oct 21. 23(2):72-81. doi: 10.1080/19768354.2019.1578262. 4: Myung DB, Han HS, Shin JS, Park JY, Hwang HJ, Kim HJ, Ahn HS, Lee SH, Lee KT. Hydrangenol Isolated from the Leaves of Hydrangea serrata Attenuates Wrinkle Formation and Repairs Skin Moisture in UVB-Irradiated Hairless Mice. Nutrients. 2019 Oct 2;11(10):2354. doi: 10.3390/nu11102354. 5: Shin SS, Ko MC, Park YJ, Hwang B, Park SL, Kim WJ, Moon SK. Hydrangenol inhibits the proliferation, migration, and invasion of EJ bladder cancer cells via p21WAF1-mediated G1-phase cell cycle arrest, p38 MAPK activation, and reduction in Sp-1-induced MMP-9 expression. EXCLI J. 2018 Jun 6;17:531-543. doi: 10.17179/excli2018-1361.
合成参考文献
参考文献:10.1248/yakushi1947.114.6_401 摘要:Yamahara J, Matsuda H, Shimoda H, Ishikawa H, Kawamori S, Wariishi N, Harada E, Murakami N, Yoshikawa M. [Development of bioactive functions in hydrangeae dulcis folium. II. Antiulcer, antiallergy, and cholagoic effects of the extract from hydrangeae dulcis folium]. Yakugaku Zasshi. 1994 Jun;114(6):401–13. doi: 10.1248/yakushi1947.114.6_401.