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2005
Antibiotics
U 1200
20- 219
An Expedient and Short Synthesis of a 6-Iodo Isocoumarin Building Block for the
Rubromycin Family and Its First Palladium-Catalyzed Couplings. — The building block (XI) of antibiotics such as γ-rubromycin (XVI) includes ortho-lithiation and
carboxylation to give (IV), olefination and condensation processes which afford (IX)
as the key steps. The first Sonogashira and Heck couplings of (XI) are demonstrated.
— (BRASHOLZ, M.; REISSIG*, H.-U.; Synlett 2004, 15, 2736-2738; Inst. Chem.,
FU Berlin, D-14195 Berlin, Germany; Eng.) — Steudel
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