【正文】
e OM e OO M eO M eNM e OM e OO M eO M eM e OM e OO M eO M eNM e OM e ONHO M eO M eC H OC H O+還 原, H C O O H++ C l O4● H C lO4 祛痰藥杜鵑素( Farreol)和紫花杜鵑素(Mateucinol)都屬于二氫黃酮類化合物。 OOC H3OHCH3O HO R杜 鵑 素 R = H紫 花 杜 鵑 素 R = CH3 C H3O HO HCH3OH R O CHC H C O C lR O CHC H C O O HOO ROC H3OHCH3O HC H3O HO HCH3OHC O C H3R O C H OCHC HO HO ROC H3OHCH3O H, A l C l3, P P A或150 ℃, H3BO3CH3C N , Z n C l2H o e s c h H o u b e n 反 應R = H ( 2 4 5 )R = C H3( 2 4 6 ) 文獻歸納法 ?積累文獻,有用信息進行甄別,分析、歸納、組合。 謝謝觀看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH