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1.

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http://dx.doi.org/10.1016/S0957-4166(00)86044-9

Asymmetric syntheses with chiral oxazaborolidines
Sabine Wallbaum and Jürgen Martens
Tetrahedron: Asymmetry Volume 3, Issue 12, December 1992, Pages 1475-1504

2.

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http://dx.doi.org/10.1016/S0957-4166(00)86168-6

Enantioselective catalytic reduction of acetophenone with borane in the presence of cyclic α-amino acids and their corresponding β-amino alcohols
T. Mehler, W. Behnen, J. Wilken and J. Martens
Tetrahedron: Asymmetry Volume 5, Issue 2, 1994, Pages 185-188

3.

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http://dx.doi.org/10.1016/S0957-4166(00)80075-0

Enantioselective reduction of ketones with borane, catalyzed by (S)-(−)-proline or (S)-(+)-prolinol.
Jean Michel Brunela, Michel Maffeia and Gérard Buono
Tetrahedron: Asymmetry Volume 4, Issue 10, October 1993, Pages 2255-2260

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