+++2 статьи из Tetrahedron и 1 Applied Radiation and Isotope

[gregbennett]

Уважаемые коллеги, помогите пожалуйста найти статьи:

Synthesis of carbon-11-labeled bivalent ?-carbolines as new PET agents for imaging of cholinesterase in Alzheimer's disease
Applied Radiation and Isotopes
Volume 69, Issue 4, April 2011, Pages 678-685

DOI:

http://dx.doi.org/10.1016/j.apradiso.2011.01.004

Influence of reaction conditions on products of the Pictet–Spengler condensation
Tetrahedron
Volume 67, Issue 10, 11 March 2011, Pages 1955-1959

DOI:

http://dx.doi.org/10.1016/j.tet.2011.01.018

The Witkop–Winterfeldt oxidation converts tetrahydropyridoindoles into pyrroloquinolones and cinnolines by an unprecedented scaffold rearrangement
Tetrahedron
Volume 67, Issue 5, 4 February 2011, Pages 965-970

DOI:

http://dx.doi.org/10.1016/j.tet.2010.11.110

Заранее благодарю.

[eFo]

[gregbennett]

Спасибо огромное!

[eFo]

Где плюсы?!