Thermolysis and photolysis of 1,3,4-oxathiazole-2-ones: I
✍ Scribed by J.E. Franz; L.L. Black
- Publisher
- Elsevier Science
- Year
- 1970
- Tongue
- French
- Weight
- 189 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
The thermolysis and photolysis of various oxazoles, diazoles and triazoles 1 have'been reported (la,lb) to generate labile 1,3-dipoles (nitrenes) z which subsequently rearrange to cumulene structures 3 or react with certain dipolar-ophiles (when present) to yield 1,3-dipolar adducts 4.
Z=
📜 SIMILAR VOLUMES
that stable organic ate complexes with six-coordinate arsenic have recently been prepared [31.
## Abstract Reactions of a sterically crowded 1,3,2‐dithiastannetane derivative bearing 2,4,6‐tris[bis(trimethylsilyl)methyl]phenyl (=Tbt) and 2,4,6‐triisopropylphenyl (=Tip) groups on the tin atom are described. Both thermolysis and photolysis of the 1,3,2‐dithiastannetane [Tbt(Tip)SnS~2~CPh~2~] r
## Abstract The 3,6‐substituted 1,2,4‐trioxan‐5‐ones 11–14, on heating to 170–200°, underwent unimolecular thermolysis to generate electronically excited singlet ketones with an efficiency of __ca.__ 0.2%. The chemiluminescence quantum yields (ϕoS~CL~) depended on the nature of the 6‐substitutents