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First synthesis of stable 5-alkyl- or 4,5-dialkyl-substituted 1,2-thiazinylium salt

✍ Scribed by Hiroshi Shimizu; Naoyuki Okada; Mitsuhiro Yoshimatsu

Publisher: Elsevier Science
Year: 2001
Tongue: French
Weight: 72 KB
Volume: 42
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)00684-0

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✦ Synopsis

5-t-Butyl-1,2-thiazinylium 6c and rigid 5,8-ethano-5,8-dihydrobenzo[d]-1,2-thiazinylium salts 17 without conjugated stabilization with the aromatic ring at the 4-or 5-position of the thiazine ring have been successfully obtained as crystals.

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