4-Membered Heterocycle Synthesis

1: Synthesis of diazetidines

1.1 Introduction

1.2 Synthesis of 1,2-diazetidines

1.2.1 Synthesis of 1,2-diazetidines from azo compounds

1.2.2 Synthesis of 1,2-diazetidines from hydrazine compounds

1.3 Synthesis of 1,3-diazetidines

1.3.1 Synthesis of 1,3-diazetidines from carbodiimide compounds

1.3.2 Synthesis of 1,3-diazetidines from isocyanate compounds

1.3.3 Metal-catalyzed synthesis of 1,3-diazetidines

1.4 Photochemical synthesis of diazetidines
References


2: Synthesis of dioxetanes

2.1 Introduction

2.2 Synthesis of 1,2-dioxetanes

2.2.1 Oxygen-assisted synthesis of 1,2-dioxetanes

2.2.2 Oxygen-assisted synthesis of fused 1,2-dioxetanes

2.2.3 Ozone-assisted synthesis of 1,2-dioxetanes

2.2.4 Peroxide-assisted synthesis of 1,2-dioxetanes

2.3 Synthesis of 1,3-dioxetanes
References


3: Synthesis of oxazetidines

3.1 Introduction

3.2 Synthesis of 1,2-oxazetidines

3.2.1 Synthesis of 1,2-oxazetidines from other heterocycles

3.3 Synthesis of 1,3-oxazetidines

3.3.1 Synthesis of 1,3-oxazetidines from other heterocycles
References


4: Synthesis of thietanes-I

4.1 Introduction

4.2 Synthesis of thietanes from sulfur moieties bearing compounds

4.3 Synthesis of thietanes from C=S moiety bearing compounds

4.4 Synthesis of thietanes from SCN moiety bearing compounds

4.5 Synthesis of thietanes from SH moiety bearing compounds

4.6 Synthesis of thietanes from SHOH moiety bearing compounds
References


5: Synthesis of thietanes-II

5.1 Introduction

5.2 Synthesis of thietanes from other heterocycles

5.2.1 Synthesis of thietanes from epoxides and oxetanes

5.2.2 Synthesis of thietanes from thiiranes

5.2.3 Synthesis of thietanes from five-membered heterocycles

5.2.4 Synthesis of thietanes from six-membered heterocycles

5.3 Synthesis of thietanes using sulfides

5.3.1 Synthesis of thietanes using carbon disulfide

5.3.2 Synthesis of thietanes using sodium sulfide

5.3.3 Synthesis of thietanes using phosphorus pentasulfide

5.4 Synthesis of thietanes using SO2 bearing compounds

5.5 Synthesis of oxathietanes
References


6: Synthesis of dithietes

6.1 Introduction

6.2 Synthesis of 1,2-dithietes

6.3 Synthesis of 1,3-dithietes
References


7: Synthesis of thiazetidines

7.1 Introduction

7.2 Synthesis of 1,2-thiazetidines from sulfonyl chlorides

7.3 Miscellaneous synthesis of 1,2-thiazetidines

7.4 Synthesis of 1,3-thiazetidines from thioamides

7.5 Synthesis of 1,3-thiazetidines from isothiocyanates

7.6 Miscellaneous synthesis of 1,3-thiazetidines
References


8: Synthesis of azetines and oxetanes

8.1 Introduction

8.2 Synthesis of azetines

8.3 Synthesis of oxetanes

8.3.1 Synthesis of oxetanes from five- and six-membered O-heterocycles

8.3.2 Synthesis of oxetanes from alkenes

8.3.3 Synthesis of oxetanes from diazo compounds
References


9: Photochemical synthesis of azetes, dioxetanes, and thietes

9.1 Introduction

9.2 Synthesis of azetes

9.3 Synthesis of dioxetanes

9.4 Synthesis of thietes

9.5 Synthesis of dithietanes

9.6 Synthesis of thiazetidines and oxathietanes
References