Chemistry is traditionally divided into organic and inorganic chemistry. Safety of 6-Aminoisobenzofuran-1(3H)-one, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 57319-65-0
A Ag(I)-catalyzed synthesis of chiral C(3)-substituted phthalides (8a-f) via a Sakurai-Hosomi allylation/transesterification reaction is described (ee ?86%). A notable feature of this reaction is that it utilizes ortho-substituted aldehydes, which are a class of compounds that generally afford poor levels of stereoinduction when applying most known catalytic asymmetric allylation approaches. It was also found that elongation of the n-alkyl chain length (R1, up to n=6; R2=H) of the starting alkyl 2-formylbenzoates (7g-i) improved the enantiomeric excess (ee) of the product.
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H1399O – PubChem