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(c) We failed to get the desired Michael addition product using cinnamoyl-2-oxazolidinone as the receptor.
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42
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15444371028
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note
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HRMS data of new organocatalysts: 1a, 564.1770 (calcd 564.1782); 1b, 564.1781 (calcd 564.1782); 1f, 501.1853 (calcd 501.1861); 1g, 701.1728 (calcd 701.1734).
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43
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15444381292
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note
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R= 12.1 min, 75% ee).
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note
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8c
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