Browsing Organic Chemistry (OC) by thesis submitted date"1981"
Now showing items 1-10 of 10
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Dihydrobenzenes in organicsynthesis
The thesis entitled “Dihydrobenzenes in Organic Synthesis” consists of three chapters. Chapter I Chapter I deals with a brief introduction to the addition of electrons to unsaturated systems, in particular monobenzenoid ... -
Investigation towards the total synthesis of b-secosteroids
The thesis entitled “Investigations Towards the Total Synthesis of B Secosteroids” consists of two parts. Part I describes: the synthesis of a few mono and dimethoxy 5/8 seco 5/7 bisnor steroids (Chapter I), and a study ... -
Some reactions of oximes and related topics
The thesis entitled “Some Reactions of Oximes and Related Topics” is divided into four chapters. Chapter I This chapter describes a new reaction of oximes wherein ?? and ??acetoxyenamides (2, 3) are obtained from ketoximes ... -
Stereochemical investigations in chiral etyhl esters
The thesis entitled “Stereochemical Investigations in Chiral Ethyl Esters” attempts to interpret differences in the magnitudes of anisochrony of the O methylene protons of ethyl ester groups located in various chiral ... -
Studies in oxidation of aromatic substrates
The thesis entitled "Studies in Oxidation of Aromatic Substrates" is divided into four chapters. Chapter I starts with a brief review of the reactions of organic substrates with peroxydisulphate. This chapter describes the ... -
Studies in the stereochemistry of alkylation importance of gegenion co-ordination
This thesis describes investigations into the effects of methyl and ester functions as substituents syn-axial to the ?-centre in 6-cyclic carboxylic esters when ?-enolate formation is attempted. The effects manifest ... -
Studies on synthetic methods
Conversion of amidomethyl function into aldehyde group Amidomethylated aromatic derivatives on treatment with N-bromosuccinimide produced the corresponding aromatic aldehydes in good yields. Attempted introduction of ... -
Synthesis of some natural products and biologically active molecules via vilsmeier reaction
The thesis entitled “Synthesis of Some Natural Products and Biologically Active Molecules via Vilsmeier Reaction” consists of six chapters. It is prefaced with a brief survey of Vilsmeier formylations on various reactive ... -
Synthetic and physicochemical studies in the aza-hetroaroamtics and amonoiminipropenes
This thesis entitled, "Synthetic and Physico?chemical Studies in the Aza?heteroaromatics and Aminoiminiopropenes" consists of descriptions of methods leading to the formation of 2,6?disubstituted?7?nitroindazoles via a ... -
synthetic investigations in terpenoids
The thesis entitled “Synthetic Studies in Terpenoids” consists of seven chapters. Chapter 1 Chapter 1 describes the first total synthesis, by two different routes, of 8?methoxycalamenene (1.6), a sesquiterpene of marine ...