Wohl遞降反應
...碳原子的醛糖。例如由葡萄糖得到阿拉伯糖:反應實例:參考文獻:[1]A.Wohl,Ber.,1893,26,730;1899,32,3666.[2]C.Zemplen,Ber.,1926,59,1254,2402.[3]V.DculofeuinAdvancesinCarbohydrateChemistry4,ppt29,138(NewYork,1949)[4]W.Pigman,TheCarbohydrates,p.119(NewYork,1957)[5]Deul...
化學Dieckmann縮合反應
...元羧酸酯在甲苯中用叔丁醇鉀處理得到一元和二元環酮:參考文獻:[1]J.P.Schaefer,J.J.Bloomfield,Org.Reactions,1967,15,1-203.[2]C.R.Hauser,B.E.Hudson,Org.Reactions,1942,1,274.[3]W.L.Carrick,A.Fry,J.Amer.Chem.Soc.,1955,77,4381.參見Claisen酯縮合反應。
化學Favorskii重排
...法可用於合成張力較大的四員環。反應機理:反應實例:參考文獻:[1]A.E.Favorskii,J.Ptakt.Chem.,[2]88,658(1913)[2]A.E.FavorskiiandV.N.Bozhovskii,J.Russ.Phys.Chem.Soc.,46,1097(1914)[3]C.A.9,1900(1915);O.Wallach,Ann.,414,296(1918)[4]J.G.AstonandR.B.Greenburg,J....
化學Meerwein-Ponndorf反應
...應相當於Oppenauer氧化的逆向反應。反應機理:反應實例:參考文獻:[1]H.MeerweinandR.Schmidt,Ann.444,221(1925).[2]W.Ponndorf,Angew.Chem.39,138(1926).[3]A.Verley,Bull.Soc.Chim.France[4]37,537,871(1925).[4]A.L.WildsinOrganicReactionsII,178(1944).[5]T.Bersin,inNew...
化學Pschorr反應
...環必須在雙鍵的同一側,並在同一個平面上。反應實例:參考文獻:[1]R.Pschorr,Ber.,1896,29,496.[2]L.F.FieserandM.Fieser,NaturalProductsRelatedtoPhenanthrene(Reinhold,NewYork,1949),p8[3]D.H.Hay,J.M.Osbond,J.Chem.Soc.,1949,3164,3172[4]P.H.Leake,Chem.Revs.,1956,56,27.[5]D.F...
化學Tiffeneau-Demjanov重排
...:本反應用於環擴大反應,可由環酮製備高一級的環酮:參考文獻:[1]M.Tiffeneau,P.WeillandB.Tchoubar,Compt.Rend.,1937,205,54.[2]B.Tchoubar,Compt.Rend.,1955,212,195.[3]L.Ruzicka,P.A.Platlner,H.Wild,Helv.Chim.Acta,1943,26,1631.[4]H.J.Dauben,etal.,J.Amer.Chem.Soc.,1951,73,2359....
化學Chichibabin反應
...丙咪唑、異喹啉、吖啶和菲啶類化合物均能發生本反應。參考文獻:[1]Elderfield,HeterocyclicCompounds,1950,1,405.[2]M.T.Leffler,Org.Reactions,1942,1,91.[3]A.E.Chichibabin,O.A.Zeide,J.Russ.Phys.Chem.Soc.1914,46,1216.[4]J.Org.Chem.,1973,38,1974.[5]R.C.Elderfield,HeterocyclicCom...
化學Bischler-Napieralski合成法
...如有鈍化基團,則反應不易進行。反應機理:反應實例:參考文獻:[1]A.Bischler,B.Napierslski,Ber.,1893,26,1903.[2]R.H.Manske,Chem.Rev.,1942,30,146.[3]F.W.Bergstrom,Chem.Rev.,1944,35,218.[4]W.M.Whaley,Org.Reactions,1951,6,75-150.[5]B.S.Thyagarajan,Chem.Rev.1954,54,1033.[6]C.R...
化學Claisen-Schmidt反應
...反應,並失水得到a,b-不飽和醛或酮:反應機理:反應實例:參考文獻:[1]L.Claisen,A.Claparede,Ber.,1881,14,2460.[2]L.Claisen,A.C.Ponder,Ann.,1884,233,137.[3]J.G.Schmidt,Ber.,1881,14,1459.[4]E.P.Kohler,H.M.Chadwell,Org.Syn.,I,1941,71.[5]H.Henecka,inHouben-Weyl-Müller,1955,4,II,2...
化學Dakin反應
...羥基芳醛或芳酮都能發生此反應。反應機理:反應實例:參考文獻:[1]H.D.Darkin,Amer.Chem.,1909,42,4177.[2]R.Criegee,Ann.,1948,560,127.[3]S.L.Friess,J.Amer.Chem.Soc.,1949,71,2571.[4]Y.S.Agasimundin,S.Siddappa,J.Chem.Soc.,PerkinTrans.,1973,I,503.
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