
Archiv der Pharmazie p. 733 - 739 (1992)
Update date:2022-07-29
Topics:
Wunsch
Zott
Hofner
In an oxa-Pictet-Spengler reaction the methyl (S)-phenyllactate 6 and methyl levulinate (7a) are condensed to the 2-benzopyrans cis-8a and trans-8a, which react with CH3I to yield the dimethyl ethers cis-9a and trans-9a. Cis-9a and trans-9a can
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Doi:10.1039/c8sc03132k
(2018)Doi:10.1016/S0040-4020(01)89037-2
(1992)Doi:10.1021/jo00254a015
(1988)Doi:10.1016/S0040-4039(00)74770-8
(1992)Doi:10.1021/acs.jmedchem.0c01535
(2020)Doi:10.1002/anie.201400486
(2014)