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Intramolecular carbon-hydrogen insertion: synthesis of (.+-.)-pentalenolactone E methyl ester

✍ Scribed by Taber, Douglass F.; Schuchardt, Jonathan L.

Book ID
120000004
Publisher
American Chemical Society
Year
1985
Tongue
English
Weight
238 KB
Volume
107
Category
Article
ISSN
0002-7863

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πŸ“œ SIMILAR VOLUMES

SYnthesis and absolute configuration of
SYnthesis and absolute configuration of (βˆ’)-pentalenolactone E methyl ester
✍ Kenji Mori; Masahiro Tsuji πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 French βš– 737 KB

The naturally occurruq enantlomer of peatalenolactone E was synthesized as Its levorotatory Me ester 1 starting from (+)-2-ethoxycarbonyl-7,7-ethylenedioxyblcyclo[3.3.0loctan-3-one 3, which was obtarrxl by treatng (?)-3 with baker's yeast. The absolute configuration of pentalenolactone E Me ester wa

Stereospecific 1,4-addition reaction of
Stereospecific 1,4-addition reaction of sulfinylallyl anion: Synthesis of (Β±)-pentalenolactone e methyl ester
✍ Duy H. Hua; M.Jo Coulter; Ibraheem Badejo πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 French βš– 229 KB

Stereospecific 1,4-Addition reaction of lithiated sulfinylallyl anion and enone 2 provided the corresponding 1,4-y-adduct, 7. In seven steps, 7 was converted into octahydro-2methoxy-8,8-dimethylpentalenol[l,6a-c]pyran-5-(6~)-one (9) whose conversion into pentalenolactone E methyl ester (1) has been