4H-dinaphtho[2,1-f:1′,2′-h][1,5]dithionin-S,S′-tetroxide: Preparation, structure elucidation and facile intramolecular [2+2]-photocyclization
✍ Scribed by Sergio Cossu; Antonio Dore; Ottorino De Lucchi; Vittorio Lucchini; Giovanni Valle
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- French
- Weight
- 491 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0040-4020
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✦ Synopsis
A&fracfi The preparation of compound 1, a conformational study in solution and the unexpectedly facile rearrangement into 2 via photochemical intramolecular [2+2]cycloaddition is described: the structure of these compounds have been investigated by IWR and X-ray diffractioa.
📜 SIMILAR VOLUMES
5(4H)-ones / 2-Chloro-N-cyanomethyl-N-methylnicotinamide / Aromatic nucleophilic substitution A new synthesis of pyrido[3,2-f][1,4]thiazepine derivatives 3 starting with 2-chloronicotinic acid (1), methylaminoacetonitrile hydrochloride and carbon disulfide is described. As proved by a crystal struct