Browsing Division of Chemical Sciences by thesis submitted date"1953"
Now showing items 1-6 of 6
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studies in essential oils
The thesis consists of three parts. The first part deals with the synthesis of three alkyl azulenes. The second part deals with the analysis of the essential oil from the roots of Aristolochia indica. The third part deals ... -
Studies in sesquiterpenes
Sesquiterpenes of the Azulene Type It has long been known that some plants yield blue-coloured essential oils. The blue colour of chamomile oil was first observed in the fifteenth century. In 1923, Ruzicka, Pontalti and ... -
Studies in synthetic drugs
The thesis consists of three parts, preceded by a general introduction to the malaria problem. Introduction In the introduction, the various aspects of the malaria problem have been dealt with, namely: the incidence of ... -
Studies of photodimerization of olifins in the solid state and phase trasitions of organic solids
(1) Infrared spectra of the high?temperature phases of dimethylammonium chloride and of the methylammonium tetrachlorometallates show evidence for the presence of an essentially “undistorted” C?H?NH?? ion of C?v symmetry. ... -
Studies on black damar
The work embodied in this thesis has been broadly classified into four chapters. Chapter I contains a short introduction to the natural resins and resin oils, briefly summarizing their history and romantic establishment ...