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Synthesis of Some New Fused and Spiro 1,4-Benzoxazine Derivatives.

โœ Scribed by H. M. Moustafa


Publisher
John Wiley and Sons
Year
2005
Weight
38 KB
Volume
36
Category
Article
ISSN
0931-7597

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Regiocontrolled syntheses of some new sp
โœ Abdullah A. Al-Ahmadi; Maher F. El-Zohry ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 413 KB ๐Ÿ‘ 1 views

Indan-I-one (la), 1-tetralone (Ib), fluorenone (lc), and anthrone (Id) reacted with mercaptoacetic acid i n toluene in the presence of p-toluenesulfonic acid to give spiro[indan-1,2'-[l I, 3']oxathialan]-5'-one (2a), spiro[tetrahydro-naphthalene-l,2'-[1,3']oxathialan]-5'-one (2b), spiro[fluorene 9,2