
Journal of Organic Chemistry p. 555 - 560 (1987)
Update date:2022-07-29
Topics:
Plate, Ralf
Hout, Ruud H. M. van
Behm, Helmut
Ottenheijm, Harry C. J.
Pictet-Spengler condensations of the N-hydroxytryptophan ethyl esters 5a and 5b with acetals 6a-c and aldehydes 9a,b have been evaluated.These reactions provide an access to the 2-hydroxy-β-carbolines 7a-d, 8a-d, and 10a,b-12a,b.Removal of the sulfur prot
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