Abstract:
:Tetrasubstituted (Z)-alkenes were readily prepared through the Horner-Wadsworth-Emmons reactions of methyl 2-[bis(2,2,2-trifluoroethyl)phosphono]propionate with aryl alkyl ketones by employing Sn(OSO(2)CF(3))(2) and N-ethylpiperidine.
journal_name
Chem Pharm Bull (Tokyo)journal_title
Chemical & pharmaceutical bulletinauthors
Sano S,Takehisa T,Ogawa S,Yokoyama K,Nagao Ydoi
10.1248/cpb.50.1300subject
Has Abstractpub_date
2002-09-01 00:00:00pages
1300-2issue
9eissn
0009-2363issn
1347-5223journal_volume
50pub_type
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journal_title:Chemical & pharmaceutical bulletin
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更新日期:2006-08-01 00:00:00
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journal_title:Chemical & pharmaceutical bulletin
pub_type: 杂志文章
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更新日期:2006-10-01 00:00:00
abstract::A chemical investigation of Jaspis sp., the marine sponge collected from the South China Sea led to the isolation of six new isomalabaricane-type compounds, jaspolides A-F (1-6). The structures of those compounds were elucidated by extensive spectroscopic methods. The structure-types of 1 to 6 could be classified into...
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