Tian, Design, synthesis, and fungicidal activities of imino
diacid analogs of valine amide fungicides, Bioor.
For detection of phosphorous (Lu, 1999) wet digestion method was used by spectophotometer For further analysis samples were prepared using 2g of dried material (from each plot), and digested with 10ml
diacid (HNO3:HClO4 with 5:1 ratio).
For this reason, nylon 6 (issued from the ring opening polymerization of a lactam) and nylon 6.6 (synthesized via the polycondensation of a diamine with a
diacid), although mainly petro-based, are still the most commonly consumed.
Meador and Williams developed polyamide aerogels using mixtures of diamines and
diacid chlorides.
which, upon hydrolysis, yielded the corresponding
diacid. Esterification of the
diacid with methanol provided the related dimethyl ester.
500 mg of the powder was then digested in 10 ml of
diacid digestion mixture (HN[O.sub.3] and HCl[O.sub.4], 9:4).
Davis, "Influence of reaction conditions on
diacid formation during Au-catalyzed oxidation of glycerol and hydroxymethylfurfural," Topics in Catalysis, vol.
According to our approach the synthesis of click polymers is based on the use of diyne monomers obtained by interaction of acetylenic nucleophiles (both regular, such as propargyl alcohol, 3-butyl-1-ol, and propargylamines, and strained, such as hydroxy-dibenzocyclooctyne, dibenzocyclooctyne-amines, and related compounds) with activated bis-electrophiles such as
diacid chlorides, bis-chloroformates, or diisocyanates.
With catalysts of Pt, the oxidation of 5-HMF proceeds favorably towards the
diacid; and, a gradual increase in the reaction temperature (from 75 to 140[grados]C) and oxygen pressures (from 1 to 10 bar) are required to promote the production of 2,5-FDCA, taking in account that the concentration NaOH determines the product distribution.