A stereoselective synthetic route to 1,6-dioxaspiro[4.4]non-3-en-2-ones from cyclopropyl alkyl ketones and α-ketoesters

Organic Letters

Volumn 8, Issue 8, 2006, Pages 1709-1712

  Yang, Yong Hua ^a   Shi, Min ^a  

^a SHANGHAI INSTITUTE OF ORGANIC CHEMISTRY   (China)

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Indexed keywords

EID: 33646440853     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol060415a     Document Type: Article

References (21)

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17. The structures of all the products were determined by NMR spectroscopic data, microanalyses, and HRMS. The geometrical configuration of 7a and 9a was determined by NOESY (see the Supporting Information).
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21. 000 = 1424; R1 = 0.0526, wR2 = 0.1355; diffractometer Rigaku AFC7R.