Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Randy R. Spaetzel"'
Publikováno v:
Molecules, Vol 12, Iss 9, Pp 2215-2222 (2007)
The asymmetric syntheses of two new spirolactones prepared in optically pure form from L-3-nitrotyrosine are described. The key step, an oxidative spiroannulation, was carried out on the optically active phenols 11a and 11b and afforded the new spiro
Externí odkaz:
https://doaj.org/article/46438b12abc348fb85ca4a564ca111c2
Autor:
Randy R. Spaetzel, Guy L. Plourde
Publikováno v:
Molecules, Vol 7, Iss 9, Pp 697-705 (2003)
The regioselective protection of the 4-hydroxyl group of 3,4-dihydroxy-benzaldehyde was accomplished with seven different protecting groups (benzyl, p-methoxybenzyl, o-nitrobenzyl, 2,6-dichlorobenzyl, 3,4-dichlorobenzyl, vinyl and propargyl) in yield
Externí odkaz:
https://doaj.org/article/7ebcc1393fc84ab487770d908247dbc9
Autor:
Guy L. Plourde, Randy R. Spaetzel
Publikováno v:
Molbank, Vol 2009, Iss 2, p M599 (2009)
The syntheses of two new spirolactones are described. Each compound was obtained as an off-white solid in 66% yields from 4-hydroxy-3-nitrobenzaldehyde.
Externí odkaz:
https://doaj.org/article/b4771c545c234539b7396723e856d553
Autor:
Randy R. Spaetzel, Guy L. Plourde
Publikováno v:
Molbank, Vol 2009, Iss 2, p M599 (2009)
The syntheses of two new spirolactones are described. Each compound was obtained as an off-white solid in 66% yields from 4-hydroxy-3-nitrobenzaldehyde.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09ab2cfc2dc8d9a6985e8f683f591f8b
http://www.mdpi.com/1422-8599/2009/2/M599/
http://www.mdpi.com/1422-8599/2009/2/M599/