Two C4-cycloadducts between 4′-methylangelicin and thymine were isolated from the photo-reaction (365 nm) between this furocoumarin and DNA. Their capacity to undergo photoreversion at 254 nm and their spectroscopic and NMR data allowed us to assign furan- and pyrone-side structures, respectively, to these photocompounds. The former adduct has a cis-syn configuration; the latter. which was also isolated from a photoreaction between the furocoumarin and thymine in water-methanol solution, was assigned a cis-anti structure.
Titolo: | 3,4 AND 4',5'-PHOTOCYCLOADDUCTS BETWEEN 4'-METHYLANGELICIN AND THYMINE FROM DNA |
Autori: | |
Data di pubblicazione: | 1988 |
Rivista: | |
Abstract: | Two C4-cycloadducts between 4′-methylangelicin and thymine were isolated from the photo-reaction (365 nm) between this furocoumarin and DNA. Their capacity to undergo photoreversion at 254 nm and their spectroscopic and NMR data allowed us to assign furan- and pyrone-side structures, respectively, to these photocompounds. The former adduct has a cis-syn configuration; the latter. which was also isolated from a photoreaction between the furocoumarin and thymine in water-methanol solution, was assigned a cis-anti structure. |
Handle: | http://hdl.handle.net/11577/2501237 |
Appare nelle tipologie: | 01.01 - Articolo in rivista |
File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.