Notice d'une collection d'estampes et de lithographies... Vente 12 févr. 1841...

[Vente (Art). 1841-02-12. Paris]

Notice de modèles de bronzes... fabrique de M. Marin... Vente 19 févr. 1841...

[Vente (Art). 1841-02-19. Paris]

Attempted asymmetric synthesis of Lactobacillic acid / |nFawzy F. Z. Georges. -- 260 St. Catharines, Ont. : [s. n.],

This research work has been planned with the intention of proving the absolute configuration of lactobacillc acid. During the course of this work, attempts have been made to synthesize cis-2-carboxycyclopropane- l-.acetic acid as,v,a suitable resolvable material. As the results were not satisfactory, the synthesis of ci,s-2-carboxycyclopropane-l-propionic acid has been alternatively attempted by ring opening of bicyclo- [4.1.~-heptan-2-onewithout much success. Attempts to resolve or prepare bicyclo[ 4.1.~-hePtan-2-one optically active are also reported. On the other hand, a complete scheme is described for the possible synthesis of optically active lactobacillic acid. If only bicyclo- ~.1.~ -heptan-2-one can be resolved or prepared optically active, this described scheme can be applied smoothly to the synthesis of enant~omeric lactobacillic acid.

Chapman family group on porch, New Year's Day, 1929-1930

Chapman family group on porch, New Year's Day, 1929-1930. Written on back: "Father, Mother, Sister, with Jim, his wife and daughter."