WHAT IS THE STRUCTURE OF BARETTIN ? NOVEL SYNTHESIS OF UNSATURATED DIKETOPIPERAZINES.

DOI: 10.1016/S0040-4039(00)96483-9

Source and publish data:

Tetrahedron Letters p. 4275 - 4278 (1987)

Update date:2022-08-03

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Authors:

Lieberknecht, Albrecht

Griesser, Helmut

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Article abstract of DOI:10.1016/S0040-4039(00)96483-9

Several unsaturated diketopiperazines 1a-1f as well as a compound with the proposed structure 2 of barettin were synthesized by a new method via esters of diketopiperazine phosphonic acid.The proposed structure of barettin was found to be incorrect.

Full text of DOI:10.1016/S0040-4039(00)96483-9

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