U.v. irradiation of the steroidal isoxazolidines 5α,10α-imino- oxy-5(10 → 1βH)abeo-5α-cholestan-3β-olacetate (1a) and the corresponding N-methyl and N-acetyl derivatives (1b) and (1c) in various solvents in the presence of oxygen, gave the nitro products (2), (3), and (4) and the azoxy products (5) and (6); a mechanism involving exciplex formation followed by proton transfer from isoxazolidine to molecular oxygen is proposed.
TY - JOUR
AU - Lorenc, Ljubinka B.
AU - Juranić, Ivan O.
AU - Mihailović, Milhailo Lj.
PY - 1977
UR - https://cer.ihtm.bg.ac.rs/handle/123456789/4598
AB - U.v. irradiation of the steroidal isoxazolidines 5α,10α-imino- oxy-5(10 → 1βH)abeo-5α-cholestan-3β-olacetate (1a) and the corresponding N-methyl and N-acetyl derivatives (1b) and (1c) in various solvents in the presence of oxygen, gave the nitro products (2), (3), and (4) and the azoxy products (5) and (6); a mechanism involving exciplex formation followed by proton transfer from isoxazolidine to molecular oxygen is proposed.
PB - Royal Society of Chemistry
T2 - Journal of the Chemical Society, Chemical Communications
T1 - Photochemically induced oxidation of some steroidal isoxazolidines by molecular oxygen
IS - 21
SP - 749
EP - 751
DO - 10.1039/C39770000749
ER -
@article{
author = "Lorenc, Ljubinka B. and Juranić, Ivan O. and Mihailović, Milhailo Lj.",
year = "1977",
abstract = "U.v. irradiation of the steroidal isoxazolidines 5α,10α-imino- oxy-5(10 → 1βH)abeo-5α-cholestan-3β-olacetate (1a) and the corresponding N-methyl and N-acetyl derivatives (1b) and (1c) in various solvents in the presence of oxygen, gave the nitro products (2), (3), and (4) and the azoxy products (5) and (6); a mechanism involving exciplex formation followed by proton transfer from isoxazolidine to molecular oxygen is proposed.",
publisher = "Royal Society of Chemistry",
journal = "Journal of the Chemical Society, Chemical Communications",
title = "Photochemically induced oxidation of some steroidal isoxazolidines by molecular oxygen",
number = "21",
pages = "749-751",
doi = "10.1039/C39770000749"
}
Lorenc, L. B., Juranić, I. O.,& Mihailović, M. Lj.. (1977). Photochemically induced oxidation of some steroidal isoxazolidines by molecular oxygen. in Journal of the Chemical Society, Chemical Communications
Royal Society of Chemistry.(21), 749-751.
https://doi.org/10.1039/C39770000749
Lorenc LB, Juranić IO, Mihailović ML. Photochemically induced oxidation of some steroidal isoxazolidines by molecular oxygen. in Journal of the Chemical Society, Chemical Communications. 1977;(21):749-751.
doi:10.1039/C39770000749 .
Lorenc, Ljubinka B., Juranić, Ivan O., Mihailović, Milhailo Lj., "Photochemically induced oxidation of some steroidal isoxazolidines by molecular oxygen" in Journal of the Chemical Society, Chemical Communications, no. 21 (1977):749-751,
https://doi.org/10.1039/C39770000749 . .
