Table 2.

Obtained viniferifuran analogues by final Suzuki or Heck couplings.

Compound	R2	R3	Yield [%][a]
18p	NHAc	OH	76
18d	OH	F	50
18q	F	F	55
18r	OH	Cl	41
18s	F	Cl	41
18t	OH	3‐NO2, 4‐OH	25[b]
18u	OH	3‐OH, 4‐NO2	58
18v	OH	4‐COOH	60
18w	OH	4‐NH2	64
18x	OH	4‐EtOCOCH2O	54
viniferifuran 2	OH	4‐OH	64

^[a] Isolated yield.

^[b] Purified by HPLC.