Abstract
The oxidation of N-[2-(cyclopent-1-enyl)phenyl]acetamides and ethyl N-[6-methyl-2-(cyclopent-1-enyl)phenyl]carbamate with hydrogen peroxide in methanolic NaOH gave spiro[4H-3,1-benzoxazine-4,1′-cyclopentanes]. On the other hand, ethyl [2-(cyclopent- 1-enyl)phenyl]carbamate reacted with hydrogen peroxide in the presence of acetonitrile and NaOH to give ethyl 3a-hydroxy-2,3,3a,8b-tetrahydrocyclopenta[b]indole-4(1H)-carboxylate, which was dehydrated with polyphosphoric acid to ethyl 2,3-dihydrocyclopenta[b]indole-4(1H)-carboxylate.
References
1.
10.1070/MC2001v011n05ABEH001489_bib1
Gütschow
Sci. Pharm.,
1999
2.
Pierce M.E., Parsons R.L., Radesca L.A., Lo Y.S., Silverman S., Moore J.R., Islam Q., Choudhury A., Fortunak J.M., Nguyen D., Luo C., Morgan S.J., Davis W.P., Confalone P.N., Chen C., et. al.
Journal of Organic Chemistry,
1998
3.
10.1070/MC2001v011n05ABEH001489_bib3
Gataullin
Izv. Akad. Nauk. Ser. Khim.,
1999
4.
10.1070/MC2001v011n05ABEH001489_bib4
Gataullin
Izv. Akad. Nauk. Ser. Khim.,
2000
5.
10.1070/MC2001v011n05ABEH001489_bib5
Prilezhaeva
Reaktsiya Prilezhaeva. Elektrofil’noe okislenie,
1974
6.
10.1070/MC2001v011n05ABEH001489_bib6
Gataullin
Izv. Akad. Nauk, Ser. Khim.,
2000