Organic Process Research & Development
Article
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129.1, 129.0, 128.1, 126.5, 117.4, 73.7, 71.0, 39.6 ; HRMS (ESI)
m/z calcd for C20H19O4 [M]+: 323.1278, found 323.1274.
ASSOCIATED CONTENT
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S
* Supporting Information
1
Copies of H NMR and 13C HMR of 2 and 4. This material is
AUTHOR INFORMATION
Corresponding Author
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Notes
The authors declare no competing financial interest.
ACKNOWLEDGMENTS
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We thank Dr. Yukiko Kan, Ms. Tomoko Sasaki, and Ms. Naomi
Umesako for support with the analyses, and Dr. Takemasa Hida
for helpful discussion.
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