In presence of KOBut in hot ButOH the tosylate of cis-6,6,9-trimethyl-3-oxo-8-oxydecalin smoothly suffered fragmentation to furnish a trimethyl cyclodecadienone (XIV). 2
471. An approach to the total synthesis of triterpenes. Part I
作者:T. G. Halsall、D. B. Thomas
DOI:10.1039/jr9560002431
日期:——
Pentacyclic triterpene synthesis. 6. Synthesis of a bicyclic intermediate corresponding to rings D and E of .beta.-amyrin
作者:John E. Ellis、John S. Dutcher、Clayton H. Heathcock
DOI:10.1021/jo00878a002
日期:1976.8
SYNTHESES IN THE TERPENE SERIES: VIII. SYNTHESIS OF THE <i>CIS</i>- AND <i>TRANS</i>-ISOMERS OF 7,7,10-TRIMETHYLDECAL-1-ONE. A CONVENIENT MODIFICATION OF THE BROWN HYDRATION REACTION
作者:Franz Sondheimer、Saul Wolfe
DOI:10.1139/v59-274
日期:1959.11.1
7,7,10-Trimethyl-Δ1(9)-octal-2-one (VII) was converted to the cycloethylenedithioketal (VIII), which on Raney nickel reduction yielded 7,7,10-trimethyl-Δ1(9)-octalin (IX). Oxidation with perbenzoic...