Francis Hannon - Academia.edu (original) (raw)

Papers by Francis Hannon

Research paper thumbnail of Coordinattvely induced 1,4-diastereoselection in the reaction of acyclic α,β-enones with organocopper reagents. A new type of organocopper reagent

... A NEW TYPE OF ORGANOCOPPER REAGENT EJ Corey,8 Francis J. Hannon," and Neil W. Boaz8-1&#x... more ... A NEW TYPE OF ORGANOCOPPER REAGENT EJ Corey,8 Francis J. Hannon," and Neil W. Boaz8-1' (a) Department of Chemistry, Harvard University, Cambridge, Massachusetts, 02138 (b) Corporate Research Laboratory, Eastman Kodak Company, Rochester, NY, 14650 ...

Research paper thumbnail of Zinc complexes of chiral phenols as catalysts for enantioselective addition of organozinc reagents to aldehydes

Tetrahedron Letters, 1987

A class of zinc (II) chelates with chiral tertiary amino phenolic alcohols serve as effective cat... more A class of zinc (II) chelates with chiral tertiary amino phenolic alcohols serve as effective catalysts for the enantioselective addition of diethylzinc to aromatic aldehydes with predictable absolute stereochemistry.

Research paper thumbnail of Chiral catalysts for the enantioselective addition of organometallic reagents to aldehydes

Tetrahedron Letters, 1987

A mechanistic model for the enantioselective addition of diethylzinc to benzaldehyde with chiral ... more A mechanistic model for the enantioselective addition of diethylzinc to benzaldehyde with chiral tridentate lithium complexes as catalysts correctly predicts the observed direction of enantioselectivity which occurs at levels of 8595% ee.

Research paper thumbnail of A possible transition state assembly for highly diastereoselective conjugate addition reactions of lithium dimethylcuprate with α,β-enones

Tetrahedron Letters, 1990

... dimethylcuprate (Et20, 78oC) afforded a single product, the cisfused adduct 19 whose stereost... more ... dimethylcuprate (Et20, 78oC) afforded a single product, the cisfused adduct 19 whose stereostructure also followed from a positive NOE between the ... Chem., 282, 133 (1985); (c) EJCorey and NW Boaz, Tetrahedron Letters, 25, 3063 (1984); Tetrahedron Letters, 26, 6015, 6019 ...

Research paper thumbnail of Coordinattvely induced 1,4-diastereoselection in the reaction of acyclic α,β-enones with organocopper reagents. A new type of organocopper reagent

Tetrahedron, 1989

... A NEW TYPE OF ORGANOCOPPER REAGENT EJ Corey,8 Francis J. Hannon," and Neil W. Boaz8-1&#x... more ... A NEW TYPE OF ORGANOCOPPER REAGENT EJ Corey,8 Francis J. Hannon," and Neil W. Boaz8-1' (a) Department of Chemistry, Harvard University, Cambridge, Massachusetts, 02138 (b) Corporate Research Laboratory, Eastman Kodak Company, Rochester, NY, 14650 ...

Research paper thumbnail of Enantioselective conjugate addition of rationally designed chiral cuprate reagents to 2-cycloalkenones

Journal of the American Chemical Society, 1986

... Both 1 and 2, on the other hand, have two GC sites and one CG site and form 1:l and 2:l compl... more ... Both 1 and 2, on the other hand, have two GC sites and one CG site and form 1:l and 2:l complexes. ... 1984, 12, 9271-9285. Enantioselective Conjugate Addition of Rationally Designed Chiral Cuprate Reagents to 2-Cycloalkenones E. J. Corey,* Reto Naef, and Francis J. Hannon ...

Research paper thumbnail of Intramolecural Photocycloaddition on Dioxolenones: An Efficient Method for the Synthesis of Medium-sized Rings

Research paper thumbnail of Polyfunctional, structurally defined catalysts for the enantioselective addition of dialkylzinc reagents to aldehydes

The Journal of Organic Chemistry, 1990

... (b) Corey, E. J. The Chemist 1989, July/August 3-5. (c) Corey, E. J.; Im-winkelried, R.; Piku... more ... (b) Corey, E. J. The Chemist 1989, July/August 3-5. (c) Corey, E. J.; Im-winkelried, R.; Pikul, S.; Xiang, Y. B. J. Am. Chem. SOC. 1989, 111, 5493-5495. ... Chem. 1988,25, (7) Asher, V.; Becu, C.; Anteunis, M. J. 0.; Callens, R. Tetrahedron 49-57. Lett. 1981, 22, 141-144. ...

Research paper thumbnail of Coordinattvely induced 1,4-diastereoselection in the reaction of acyclic α,β-enones with organocopper reagents. A new type of organocopper reagent

... A NEW TYPE OF ORGANOCOPPER REAGENT EJ Corey,8 Francis J. Hannon," and Neil W. Boaz8-1&#x... more ... A NEW TYPE OF ORGANOCOPPER REAGENT EJ Corey,8 Francis J. Hannon," and Neil W. Boaz8-1' (a) Department of Chemistry, Harvard University, Cambridge, Massachusetts, 02138 (b) Corporate Research Laboratory, Eastman Kodak Company, Rochester, NY, 14650 ...

Research paper thumbnail of Zinc complexes of chiral phenols as catalysts for enantioselective addition of organozinc reagents to aldehydes

Tetrahedron Letters, 1987

A class of zinc (II) chelates with chiral tertiary amino phenolic alcohols serve as effective cat... more A class of zinc (II) chelates with chiral tertiary amino phenolic alcohols serve as effective catalysts for the enantioselective addition of diethylzinc to aromatic aldehydes with predictable absolute stereochemistry.

Research paper thumbnail of Chiral catalysts for the enantioselective addition of organometallic reagents to aldehydes

Tetrahedron Letters, 1987

A mechanistic model for the enantioselective addition of diethylzinc to benzaldehyde with chiral ... more A mechanistic model for the enantioselective addition of diethylzinc to benzaldehyde with chiral tridentate lithium complexes as catalysts correctly predicts the observed direction of enantioselectivity which occurs at levels of 8595% ee.

Research paper thumbnail of A possible transition state assembly for highly diastereoselective conjugate addition reactions of lithium dimethylcuprate with α,β-enones

Tetrahedron Letters, 1990

... dimethylcuprate (Et20, 78oC) afforded a single product, the cisfused adduct 19 whose stereost... more ... dimethylcuprate (Et20, 78oC) afforded a single product, the cisfused adduct 19 whose stereostructure also followed from a positive NOE between the ... Chem., 282, 133 (1985); (c) EJCorey and NW Boaz, Tetrahedron Letters, 25, 3063 (1984); Tetrahedron Letters, 26, 6015, 6019 ...

Research paper thumbnail of Coordinattvely induced 1,4-diastereoselection in the reaction of acyclic α,β-enones with organocopper reagents. A new type of organocopper reagent

Tetrahedron, 1989

... A NEW TYPE OF ORGANOCOPPER REAGENT EJ Corey,8 Francis J. Hannon," and Neil W. Boaz8-1&#x... more ... A NEW TYPE OF ORGANOCOPPER REAGENT EJ Corey,8 Francis J. Hannon," and Neil W. Boaz8-1' (a) Department of Chemistry, Harvard University, Cambridge, Massachusetts, 02138 (b) Corporate Research Laboratory, Eastman Kodak Company, Rochester, NY, 14650 ...

Research paper thumbnail of Enantioselective conjugate addition of rationally designed chiral cuprate reagents to 2-cycloalkenones

Journal of the American Chemical Society, 1986

... Both 1 and 2, on the other hand, have two GC sites and one CG site and form 1:l and 2:l compl... more ... Both 1 and 2, on the other hand, have two GC sites and one CG site and form 1:l and 2:l complexes. ... 1984, 12, 9271-9285. Enantioselective Conjugate Addition of Rationally Designed Chiral Cuprate Reagents to 2-Cycloalkenones E. J. Corey,* Reto Naef, and Francis J. Hannon ...

Research paper thumbnail of Intramolecural Photocycloaddition on Dioxolenones: An Efficient Method for the Synthesis of Medium-sized Rings

Research paper thumbnail of Polyfunctional, structurally defined catalysts for the enantioselective addition of dialkylzinc reagents to aldehydes

The Journal of Organic Chemistry, 1990

... (b) Corey, E. J. The Chemist 1989, July/August 3-5. (c) Corey, E. J.; Im-winkelried, R.; Piku... more ... (b) Corey, E. J. The Chemist 1989, July/August 3-5. (c) Corey, E. J.; Im-winkelried, R.; Pikul, S.; Xiang, Y. B. J. Am. Chem. SOC. 1989, 111, 5493-5495. ... Chem. 1988,25, (7) Asher, V.; Becu, C.; Anteunis, M. J. 0.; Callens, R. Tetrahedron 49-57. Lett. 1981, 22, 141-144. ...