Thiazine derivatives R 0610 Synthesis of a Novel Heterocyclic System: 2H-Furo[3,2-b][1,4]benzothiazin--2-one. -The cyclocondensation of o-aminothiophenols (I) with citraconic anhydride (II) proceeds with good regioselectivity to give the benzothiazepinones (IV). They can be readily cyclized to the t
Studies on heterocyclic compounds. VII. Syntheses of novel furo[2, 3-b]chromones
β Scribed by Sheng-Chu Kuo; Jiin-Sheng Wu; Li-Jiau Huang; Chun-Hsiung Wu; Shun-Chueh Huang; Teh-Chang Chou
- Book ID
- 112129259
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1989
- Tongue
- English
- Weight
- 271 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0022-152X
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A reoent Paper in this series described a conventional ring-oyolisation procedure for the foraaation of a partially fluorinated benso[blfkran derivative (2): F P P co2Et NaH F OH P 0 0CR2C02Et Ir m U C02M P P However, we have also exploited the susoeptibility of highly fluorinated aromatic oompounds
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