ISSN:
1434-193X
Keywords:
Lawesson's reagent
;
Thiolation of cyclic ketones
;
Anchimeric effect
;
cis-Bicyclo[3.3.0]octane-3,7-diones
;
9-Thiatricyclo[3.3.1.03,7]nonane
;
Chemistry
;
General Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
A simple and efficient approach to the 9-thiatricyclo[3.3.1.03,7]nonane ring system (5) has been found by treating cis-bicyclo[3.3.0]octane-3,7-diones (1) with Lawesson's reagent or phosphorus pentasulfide. When dione 1 is treated with Lawesson's reagent tetramethyl 3(4aH)oxo-1,4-dihydrophenanthro[9,10-a]pentalene-1,2,4,4a-tetracarboxylate (6) is obtained as a by-product as shown by X-ray structural analysis.
Additional Material:
1 Ill.
Type of Medium:
Electronic Resource
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