Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Juan Carlos Ortiz-Lara"'
Publikováno v:
SYNTHESIS
SYNTHESIS, Georg Thieme Verlag, 2016, 48 (19), pp.3393-3399. ⟨10.1055/s-0035-1562449⟩
SYNTHESIS, Georg Thieme Verlag, 2016, 48 (19), pp.3393-3399. ⟨10.1055/s-0035-1562449⟩
International audience; The S-propargyl xanthate derived from ethyl (S)-lactate reacts upon heating with various acidic substances to give the propionate transfer product in high yield and with complete inversion of configuration.
Autor:
Ricardo Alonso, Krzysztof Kierus, Luis F. Roa, Marta Fernández-González, Juan Carlos Ortiz-Lara, Lidia Ozores-Viturro, Fernando Cagide-Fagín, Patricia Martínez-Bescos
Publikováno v:
The Journal of Organic Chemistry. 73:3745-3753
(Chemical Equation Presented) The first general methodology for the gram-scale preparation of previously overlooked β-(hetero)aryl-α- nitro-α,β-enals (3) is reported. Condensation of (hetero)aromatic aldehydes with 2-nitroethanol gave the E-isome
Autor:
Fernando Cagide-Fagín, Juan Carlos Ortiz-Lara, Olaia Nieto-García, Ricardo Alonso, Hugo Lago-Santomé
Publikováno v:
Organicbiomolecular chemistry. 10(4)
A full account is given for the total synthesis and the cytotoxic activity against the human lung tumoral cell line NCI-H460 of (±)-7-deoxy-pancratistatin and its 2-epi- and 2,4-diepi- unnatural analogues.
Autor:
Patricia, Martínez-Bescos, Fernando, Cagide-Fagín, Luis F, Roa, Juan Carlos, Ortiz-Lara, Krzysztof, Kierus, Lidia, Ozores-Viturro, Marta, Fernández-González, Ricardo, Alonso
Publikováno v:
The Journal of organic chemistry. 73(10)
The first general methodology for the gram-scale preparation of previously overlooked beta-(hetero)aryl-alpha-nitro-alpha,beta-enals (3) is reported. Condensation of (hetero)aromatic aldehydes with 2-nitroethanol gave the E-isomers of uncommon beta-(