Disclosed are compounds of formula I having a strong musk-like odor:
In formula I, R1 and R2 are hydrogen or methyl, with the proviso that when R1 is methyl, R2 is hydrogen, and when R1is hydrogen, R2 is methyl. The compounds of formula I may be in the Z- and/or in the E-form. Methods of making the compounds of formula I and compositions containing such compounds are also disclosed.
Verbindungen der Formel I zeigen einen starken moschusartigen Geruch. In der Formel bedeuten R1 und R2 Wasserstoff oder Methyl, mit der Bedingung, dass, wenn R1 für Methyl steht, R2 Wasserstoff ist und wenn R1 für Wasserstoff steht, R2 Methyl ist. Die Verbindungen der Formel I können in der Z- und/oder in der E-Form vorliegen.
式 I 的化合物具有强烈的麝香气味。式中,R1 和 R2 为氢或甲基,但 R1 为甲基时,R2 为氢;R1 为氢时,R2 为甲基。式 I 的化合物可以是 Z 和/或 E 形式。
US6326349B1
申请人:——
公开号:US6326349B1
公开(公告)日:2001-12-04
Three-Carbon Ring Expansion by Cyclopropane Insertion: Macrocyclic Musks from Readily Available C-12 Starting Materials
作者:Georg Rüedi、Matthias Nagel、Hans-Jürgen Hansen
DOI:10.1021/ol0487027
日期:2004.8.1
A thermal three-carbon ringexpansion based on side chain ring insertion of a cyclopropane moiety is described. Flashvacuumpyrolysis (FVP) of 1-cyclopropyl-cycloalk-3-enol derivatives leads to the three-carbon ring expanded enones with clean retention of double bond geometry. Substrates bearing methyl groups on the cyclopropane ring undergo regioselective bond cleavage, allowing for the systematic