β Scribed by N.O. Abdel; M.A. Kira; M.N. Tolba
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Re-erved in USl If, November 1972 ; recrived in ulc for publication 4 l!ecember 1972) Of the various possible synthetic approaches to sesquiterpenes of the hydroazulene varrety', solvolytic skeletal rearrangement of decalyl 2,3 and bicyclo-(4,3,l)decanyll tosylates has received the greatest amount
A [2]catenane, able to bind Ο-electron-rich guests inside the macrocyclic components of a [2]catenane. The structure of this [2]catenane, as well as that of a model [2]catenane, have cavity of one of its two macrocyclic components has been designed and synthesized using supramolecular assistance. b
The first direct synthesis of a carboxylated polyurethane is described. The polyurethane, of the segmented type, was obtained by reaction of 4,4'-diphenylmethane diisocyanate with poly(propylene oxide) and the tributylammonium salt of dihydroxymethylpropionic acid. The polymer was characterized by v