1-苯基异chroman-4-spiro-1'-环戊烷(Ia)在乙酸中的三氧化铬氧化可生成预期的1-(2-苯甲酰基苯基)环戊烷羧酸(IIa),而其6,7-二甲氧基类似物Ib和6在相同条件下,7,2-二甲氧基-1-苯基异色满-4-螺-4'-(1'-甲基)哌啶(Ic)给出了其相关的1-羟基衍生物VIIIb和VIIIc和对-苯醌的混合物, 1-苯甲酰氧基甲基-1-(2,5-二氧代-4-甲氧基苯基)环戊烷(IXb)和1-苯甲酰氧基甲基-1-(2,5-二氧代-4-甲氧基苯基)-1-甲基哌啶(IXc)。用肼或一甲基肼将IIa环化,产生5-螺取代的1-苯基-3,5-二氢-4 H -2,3-苯并二氮杂-4-酮IIIa或XIa。
Iorio; Gatta; Menichini, Farmaco, Edizione Scientifica, 1977, vol. 32, # 3, p. 212 - 219
作者:Iorio、Gatta、Menichini
DOI:——
日期:——
GATTA, F.;SETTIMJ, G., J. HETEROCYCL. CHEM., 1983, 20, N 5, 1267-1270
作者:GATTA, F.、SETTIMJ, G.
DOI:——
日期:——
Chromium trioxide oxidation products from 4-spiro-1-phenylisochromans
作者:Franco Gatta、Guido Settimj
DOI:10.1002/jhet.5570200524
日期:1983.9
Chromiumtrioxideoxidation of 1-phenylisochroman-4-spiro-1′-cyclopentane (Ia) in acetic acid led to the expected 1-(2-benzoylphenyl)cyclopentanecarboxylic acid (IIa), while its 6,7-dimethoxy analogue Ib and 6,7-dimethoxy-1-phenylisochroman-4-spiro-4′-(1′-methyl)piperidine (Ic) under the same conditions gave a mixture of their related 1-hydroxy derivatives VIIIb and VIIIc and of the p-benzoquinones
1-苯基异chroman-4-spiro-1'-环戊烷(Ia)在乙酸中的三氧化铬氧化可生成预期的1-(2-苯甲酰基苯基)环戊烷羧酸(IIa),而其6,7-二甲氧基类似物Ib和6在相同条件下,7,2-二甲氧基-1-苯基异色满-4-螺-4'-(1'-甲基)哌啶(Ic)给出了其相关的1-羟基衍生物VIIIb和VIIIc和对-苯醌的混合物, 1-苯甲酰氧基甲基-1-(2,5-二氧代-4-甲氧基苯基)环戊烷(IXb)和1-苯甲酰氧基甲基-1-(2,5-二氧代-4-甲氧基苯基)-1-甲基哌啶(IXc)。用肼或一甲基肼将IIa环化,产生5-螺取代的1-苯基-3,5-二氢-4 H -2,3-苯并二氮杂-4-酮IIIa或XIa。
IORIO M. A.; GATTA F.; MENICHINI E., FARMACO. ED. SCI., 1977, 32, NO 3, 212-219