Di‐ tert ‐Butyl Acetylenedicarboxylate and Its Cyclotrimerization | Zendy

Sucrow Wolfgang | Zendy; Lübbe Fritz | Zendy

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Di‐ tert ‐Butyl Acetylenedicarboxylate and Its Cyclotrimerization

Author(s) -

Sucrow Wolfgang,

Lübbe Fritz

Publication year - 1979

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.197901491

Subject(s) - steric effects , cleavage (geology) , chemistry , dimethyl acetylenedicarboxylate , medicinal chemistry , acetylenedicarboxylate , base (topology) , stereochemistry , organic chemistry , catalysis , mathematics , materials science , mathematical analysis , fracture (geology) , cycloaddition , composite material

Di‐ tert —butylacetylenedicarboxylate (1) —surprisingly not synthesized before—is remarkable from a chemical standpoint. Its cyclotrimerization shows that the tert ‐butyl groups do not exert strong steric hindrance. Ready cleavage (without base) of the esters obtained from (1) is of advantage.

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