INDEX

A) Table of Contents
B) Keyword Index

A) TABLE OF CONTENTS:

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A) INTRODUCTION	B) HYDROXYKETONES - TRIAZOLIDINONES"
A1) Triazolidin(thi)ones - General Introduction A1.1) Cyanic and Thiocyanic acid A1.2) The Cycloaddition Reaction of (Thio)Cyanic Acid A1.3) An Oxidative Rearrangement	B1) Synthesis B1.1) Azoalkene Chemistry ("Benzoin case") B2) Acylations B2.1) Acetylations and Benzoylations/ B2.1.1) Azoalkene Chemistry (Acetoxyketones) B2.2) Tosylation and Rearrangement B2.2.1) Reaction Pathway

C) OXOPHENYLHYDRAZONES	D) SYNTHESIS OF ETHOXYCARBONYL- TRIAZOLIDINETHIONES
C1) New Heterobicyclic Systems C1.1) Reaction Pathway C1.2) Compare to: Azoalkene Chemistry	D1) Synthesis of Ethoxycarbonyl Substituted Triazolidinthiones

E) OXIDATION HYDROXYALKYL- TRIAZOLIDINONES:	F) OXIDATION ACYLOXYALKYL- TRIAZOLIDINONES:
E1) General Reactivity E1.1) Reaction Pathways E1.2) Oxidation of Spirotriazolidinone	F1) General Reactivity F1.1) Crossover Experiment

G) OXIDATION ETHOXYCARBONYL- TRIAZOLIDINETHIONES:
G1) General Reactivity G1.1) Structure Proof	KEYWORD INDEX

INDEX
A) Table of Contents
B) Keyword Index

KEYWORD INDEX

ACETOXYKETONES

in the preparation of triazolidinethiones

in the preparation of imidazolinethiones

ACETYLATION

of hydroxyalkyltriazolidinones and -thiones

AZOALKENE AND AZOMETHINEIMINE INTERMEDIATES

from benzoin phenylhydrazon

from acetoxyketones

from oxophenylhydrazones

AZOENOL TAUTOMER

as active species in the preparation of imidazothiazolidinones

AZOISOCYANATES AND AZOISOTHIOCYANATES

in the oxidation of triazolidin(thi)ones (general case)

in the oxidation of acyloxyalkyl triazolidin(thi)ones

as possible intermediate in the oxidation of hydroxyalkyl triazolidin(thi)ones

BENZOYLATION

of hydroxyalkyltriazolidinones and -thiones

CROSSOVER EXPERIMENT

proves only intramolecular migration of substituents
during oxidative rearrangement

CYANIC ACID

in situ generation of

FRAGMENTATION

Grob type, in the oxidation of hydroxyalkyltriazolidin(thi)ones

IMIDAZOLINETHIONES

from benzoinphenylhydrazones

from acetoxyketones

from halogenoketones

NUMBERING

of triazolidinones and -thiones

N - PROTONATED HYDRAZONE

in the cycloaddition of (thio)cyanic acid to hydrazones

PROTOTROPISM

in the cycloaddition of (thio)cyanic acid to hydrazones

REARRANGEMENT

Oxidative: of triazolidinones and triazolidinethiones, in general
with Ring Enlargement: of tosyloxyalkyltriazolidinones
Dimroth Type: in the preparation of imidazothiazolidinones

RING ENLARGEMENT

base induced, of tosyloxyalkyltriazolidinones

THIOCYANIC ACID

in situ generation of

TOSYLATION

of hydroxyalkyltriazolidinones

INDEX
A) Table of Contents
B) Keyword Index