ChemInform Abstract: TRANSAMINATION OF TERTIARY ENAMINES. SYNTHESIS OF β‐SUBSTITUTED N‐BENZYLENAMINES

Граник, В. Г.; Zhidkova, A. M.; Zhivotovskaya, I. S.; Соловьева, Н. П.; Polievktov, M. K.

doi:10.1002/chin.198213137

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Chemical Properties Of Vinylogous Amides2

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1999

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“…The transamination equilibrium of enamino diketones ( 134, 137 ) has already been mentioned. , This same reaction permits the exchange of exo -cyclic primary, secondary, and tertiary amino groups ) as a protecting group in the synthesis of branched peptides on a solid support 98a as well as a starting material for the preparation of the antiviral enamino diketones substituted at the nitrogen atom by various hydroxyl-containing groups 98b…”

Section: Chemical Properties Of Vinylogous Amidesmentioning

confidence: 95%

“…The known transamination of enamino diketones ( 134, 137 ) provides a tool for an exchange of the tertiary amino groups for unsubstituted, primary, and secondary amines. Essentially it expands an area for the synthetic employment of such acylations. , Refluxing the enamino ketone ( 139 ) which contains a secondary amino group, in acetic anhydride, also yields the α-acylation product ( 140 ) in 60% yield …”

Section: B Preparation Of Endo-cyclic Vinylogous Amidesmentioning

confidence: 99%

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