Formation of novel photoadducts from irradiation of 5(S)-5-O-tert-butyldimethylsiloxymethylfuran-2(5H)-one
作者:David Brown、Christine J. Cardin、John Mann
DOI:10.1039/c39950000825
日期:——
Irradiation of 5S-5-O-tert-butyldimethylsiloxymethylfuran-2(5H)-one 1 in acetonitrile yields the C2-symmetric bis(lactone), 1S,2S,6S,7S-[3S,10S]-bis-tert-butyldimethylsiloxymethyl-4,9-dioxatricyclo[5.3.0.02,6]deca-5,8-dione 6, and a 3-substituted intramolecular product resulting from an apparent 8-endo-trig cyclisation.
在乙腈中照射5S-5-O-叔丁基二甲基硅氧甲基呋喃-2(5H)-酮1,可得到C2-对称双(内酯),1S,2S,6S,7S-[3S,10S]-双-叔丁基二甲基硅氧甲基-4,9-二氧杂三环[5.3.0.02,6]癸-5,8-二酮6,以及由明显的8-内型三环化合成的3-取代的分子内产物。