A useful paper titled 'Vanadium(V) complex with Schiff-base ligand containing a flexible amino side chain: Synthesis, structure and reactivity' - discusses V based organic framework.
doi:10.1016/j.jinorgbio.2015.02.009
Also another one titled 'Synthesis, structure and properties of a Co-crystallized complex based on polyoxovanadate [VIV12VV6O42]6 − and a mononuclear vanadium complex [VON(CH2CH2O)3]' may also be worthy of reading.with some cross reference for more synthesis.