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ChemInform Abstract: Synthesis of anti-(2.2)(2,6)Benzothiazolophane: The First Example of ( 2.2)Benzofused Heterophane.

โœ Scribed by S. H. MASHRAQUI; K. R. NIVALKAR

Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
28
Category
Article
ISSN
0931-7597

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โœฆ Synopsis

Synthesis of anti-(2.2)(2,6)Benzothiazolophane: The First Example of ( 2.2)Benzofused Heterophane.

-Starting with the base hydrolysis of the known 2-aminobenzthiazole derivative (I) title compound (VIII) is prepared using photodecarboxylation of the bislactone (VII) as key step. -

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ChemInform Abstract: Synthesis of the First 2โ€ฒ,6 Bridged Penams.
โœ J. D. BUYNAK; A. S. RAO; G. ADAM; S. D. NIDAMARTHY; H. ZHANG ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 37 KB ๐Ÿ‘ 2 views

Synthesis of the First 2',6 Bridged Penams. -The desired title compound (XII) is prepared from either the benzhydryl or the benzyl esters of 6-aminopenicillanic acid. This secondary tricyclic amine can be further functionalized to give tertiary amines, corresponding sulfones, and carboxylate salts.