+++J. Org. Chem

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Уважаемы химики помогите найти статьи:
1.Total Syntheses of ent-Heliespirones A and с
Wen-Ju Bai , Jason C. Green , and Thomas R. R. Pettus *
Department of Chemistry and Biochemistry, University of California at Santa Barbara, Santa Barbara, California 93106, United States
J. Org. Chem., 2012, 77 (1), pp 379–387

DOI:

http://dx.doi.org/10.1021/jo201971g

2. Enantioselective [4 + 2] Cycloadditions of o-Quinone Methides:  Total Synthesis of (+)-Mimosifoliol and Formal Synthesis of (+)-Tolterodine
Carolyn Selenski and Thomas R. R. Pettus
pp 9196–9203
Publication Date (Web): December 02, 2004 (Article)

DOI:

http://dx.doi.org/10.1021/jo048703c

Заранее спасибо!

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