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Ring C Functionalized Diterpenoids. Part IV. Minor Products from the Cleavage of the Cyclopropane Ring in Methylent-Trachyloban-19-oate with Thallic Acetate

 

作者: Helen Margaret Campbell,   Patrick Alistair Gunn,   Alan James McAlees,   Robert McCrindle,  

 

期刊: Canadian Journal of Chemistry  （NRC Available online 1975）
卷期: Volume 53, issue 1  

页码: 20-25

 

ISSN:0008-4042

 

年代: 1975

 

DOI:10.1139/v75-003

 

出版商: NRC Research Press

 

数据来源: NRC

 

摘要:

Structures are assigned to seven minor products (6b,9,11b,12b,13b,16, and25b) obtained from treatment of methylent-trachyloban-19-oate (1) with thallic oxide in acetic acid. The mechanism of the oxidative cleavage is discussed. Formation of the major products, described earlier, and all but one (25b) of the minor products may be rationalized in terms of initial scission of the C13—C16bond.

 

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