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Bismuth(III) reagents in steroid and terpene chemistry.

Molecules (Basel, Switzerland) (2011-04-06)
Jorge A R Salvador, Samuel M Silvestre, Rui M A Pinto
ABSTRACT

Steroid and terpene chemistry still have a great impact on medicinal chemistry. Therefore, the development of new reactions or "greener" processes in this field is a contemporaneous issue. In this review, the use of bismuth(III) salts, as "ecofriendly" reagents/catalysts, on new chemical processes involving steroids and terpenes as substrates will be focused. Special attention will be given to some mechanistic considerations concerning selected reactions.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Bismuth, powder, −100 mesh, 99% trace metals basis
Sigma-Aldrich
Bismuth, beads, 1-5 mm, 99.999% trace metals basis
Sigma-Aldrich
Bismuth, powder, −100 mesh, ≥99.99% trace metals basis
Sigma-Aldrich
Bismuth, shot, 4-30 mesh, 99.9% trace metals basis
Bismuth, foil, not light tested, 50x50mm, thickness 0.015mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 100x100mm, thickness 0.015mm, permanent polyester support, 99.97%
Bismuth, foil, light tested, 25x25mm, thickness 0.02mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 150x150mm, thickness 0.025mm, permanent polyester support, 99.97%
Bismuth, foil, 50x50mm, thickness 0.25mm, 100%
Bismuth, foil, not light tested, 25x25mm, thickness 0.025mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 25x25mm, thickness 0.005mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 50x50mm, thickness 0.001mm, permanent polyester support, 99.97%
Bismuth, foil, light tested, 50x50mm, thickness 0.01mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 150x150mm, thickness 0.02mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 25x25mm, thickness 0.002mm, permanent polyester support, 99.97%
Bismuth, foil, 50x50mm, thickness 0.5mm, 100%
Bismuth, foil, not light tested, 25x25mm, thickness 0.015mm, permanent polyester support, 99.97%
Bismuth, foil, 25x25mm, thickness 0.25mm, 100%
Bismuth, foil, not light tested, 50x50mm, thickness 0.025mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 100x100mm, thickness 0.025mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 25x25mm, thickness 0.01mm, permanent polyester support, 99.97%
Bismuth, foil, light tested, 50x50mm, thickness 0.02mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 50x50mm, thickness 0.002mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 25x25mm, thickness 0.0025mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 50x50mm, thickness 0.02mm, permanent polyester support, 99.97%
Bismuth, foil, light tested, 50x50mm, thickness 0.05mm, permanent polyester support, 99.97%
Bismuth, foil, light tested, 25x25mm, thickness 0.01mm, permanent polyester support, 99.97%
Bismuth, foil, 25x25mm, thickness 0.5mm, 100%
Bismuth, foil, light tested, 25x25mm, thickness 0.025mm, permanent polyester support, 99.97%
Bismuth, foil, not light tested, 50x50mm, thickness 0.01mm, permanent polyester support, 99.97%