Oxymetallation. Part 13. Synthesis of bicyclic peroxides via peroxymercuriation of cyclic dienes
作者:A. J. Bloodworth、Jamil A. Khan、M. E. Loveitt
DOI:10.1039/p19810000621
日期:——
2]decane has been prepared by peroxymercuriation of cis,cis-cyclo-octa-1,5-diene, but substantial amounts of bicyclic ethers are also formed in the reaction. The bicyclicperoxides (4) and (5) have been obtained from (12) by reduction and brominolysis respectively. 8,9-Dioxabicyclo[5.2.1]decane (6) and the dibromo-derivative (7) have similarly been prepared by peroxymercuriation and demercuriation of cyclo-octa-1
isomerise chiefly to epoxyaldehydes, [n.2.2]-peroxides (n = 2–4) mainly undergo dehydrogenation to cycloalkane-1,4-diones, and 2,3-dioxabicyclo[2.2.1]heptane exhibits both types of behaviour; photo-isomerisation of 6,7- into 6,8-dioxabicyclo[3.2.1]octane occurs when benzophenone is present as sensitizer.
在直接光解下,[ n .2.1]-过氧化物(n = 3-5)主要异构化为环氧醛,[ n .2.2]-过氧化物(n = 2-4)主要经历脱氢反应生成环烷-1,4-二酮,以及2,3-二氧杂双环[2.2.1]庚烷表现出两种行为。当二苯甲酮作为敏化剂存在时,会发生6,7-向6,8-二氧杂双环[3.2.1]辛烷的光异构化。
Formation of dicarbonyl compounds in the flash vacuum pyrolysis of saturated bicyclic peroxides
作者:A. J. Broodworth、David S. Baker、Henny J. Eggelte
DOI:10.1039/c39820001034
日期:——
Under flash vacuum pyrolysis, dioxabicyclo[n.2.1]alkanes (n= 3,4, and 5) isomerise to keto-aldehydes, MeCO[CH2]nCHO, whereas dioxabicyclo[n.2.2]alkanes (n= 2,3, and 4) fragment ot give, by loss of hydrogen and ethylene, mixtures of cycloalkane-1,4-diones and dialdehydes, OHC[CH2]nCHO.
在快速真空热解下,二氧杂双环[ n .2.1]烷烃(n = 3,4和5)异构化为酮醛MeCO [CH 2 ] n CHO,而二氧杂双环[ n .2.2]烷烃(n = 2,3和4)片段ot通过氢和乙烯的损失得到环烷-1,4-二酮和二醛的混合物,OHC [CH 2 ] n CHO。
BLOODWORTH, A. J.;EGGELTE, H. J., TETRAHEDRON LETT., 1984, 25, N 14, 1525-1528
作者:BLOODWORTH, A. J.、EGGELTE, H. J.
DOI:——
日期:——
ADAM, W.;KLUG, G.;PETERS, E. -M.;PETERS, K.;VON, SCHNERING, H. G., TETRAHEDRON, 1985, 41, N 11, 2045-2056
作者:ADAM, W.、KLUG, G.、PETERS, E. -M.、PETERS, K.、VON, SCHNERING, H. G.