发明授权
US4877891A 1,1-dialkoxy- or 1,1-(alpha, omega-methylenedioxy)-non-2-yn-9-01 and their OH-protected derivatives 失效
1,1-二烷氧基或1,1-(α,ω-亚甲二氧基) - 壬-2-炔-9-01及其OH-保护的衍生物

1,1-dialkoxy- or 1,1-(alpha, omega-methylenedioxy)-non-2-yn-9-01 and
their OH-protected derivatives
摘要:
1,1-dialkoxy- or 1,1-(.alpha.,.omega.-methylenedioxy)-non-2-yn-9-ol and their OH-protected derivatives of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.6 -alkyl or together form an alkylene chain of 2 to 5 carbon atoms and X is hydrogen or a protective group which can be eliminated, their preparation and their use as intermediates.
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