Role of Steric Hindrance in the Newman-Kwart Rearrangement and in the Synthesis and Photophysical Properties of Arylsulfanyl Tetrapyrazinoporphyrazines
✍ Scribed by Novakova, Veronika; Miletin, Miroslav; Filandrová, Tereza; Lenčo, Juraj; Růžička, Aleš; Zimcik, Petr
- Book ID
- 124057946
- Publisher
- American Chemical Society
- Year
- 2014
- Tongue
- English
- Weight
- 438 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0022-3263
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📜 SIMILAR VOLUMES
Steric hindrance was observed during the oxidation of 2,4,6-tri-tert-butylphenylphosphole to the P oxide and in the dimerization of this latter species to the corresponding phosphanorbornene derivative. Single-crystal X-ray analysis of the dimer revealed considerable steric crowding around the P ato
Thermally induced O Ar !S Ar migration in aryl thiocarbamates (1!2, Scheme 1) [1] is commonly referred to [2] as the Newman-Kwart rearrangement ("NKR") [3] and belongs to a group of rearrangements that generate Ar-S/N compounds from phenols. [4] Of these, only the NKR has been extensively utilized,