Studies on mesoionic compounds—IV : Synthesis and reactions of 4-thiosydnone derivatives
✍ Scribed by K. Masuda; T. Okutani
- Book ID
- 108374531
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- French
- Weight
- 776 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0040-4020
No coin nor oath required. For personal study only.
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## Abstract A number of 2,3‐pyrrolidinediones have been synthesised by the condensation of oxalacetic and oxalpropionic esters with different aldehydes and ketones. Typical reactions and properties of the diones have been studied by the preparation of suitable derivatives.
## Abstract 2,4‐Bis‐(4‐methoxyphenyl)‐1,3,2,4‐dithiadiphosphetane‐2,4‐disulfide (Lawesson's reagent) (**1**) reacted with 2‐hydrazino‐3‐methyl‐quinoxaline (**2**) to give [1,2,4,3]‐triazaphospholo[4,5‐__a__]quinoxaline derivative **3**. The Mannich reaction using different amines on compound **3**