2-Acylfuran derivatives ##STR1## (R: alkyl, phenyl, etc.; R.sub.1 : H, alkyl) are prepared in high yield by reaction, in the presence of a boron trifluoride complex catalyst, of a furan compound ##STR2## (X: H, Cl, Br; Y: Cl, Br) or with RCOOH in the presence of (XYCHCO).sub.2 O.
Synthesis, characterization, and evaluation of antioxidant activity of new - and -imino esters
作者:Hasniye YAŞA
DOI:10.3906/kim-1801-8
日期:——
basis of elemental analysis, IR, 1 " role="presentation"> 1 1 ^1} H NMR, 13 " role="presentation"> 13 13 ^13} C NMR, and GC-MS spectroscopic techniques. In addition, antioxidantactivity of the synthesized compounds was evaluated on the basis of DPPH radical.
通过缩合-5-(呋喃-2-基)-5-氧戊酸甲酯,-4-(呋喃-2-基)-4-氧丁酸甲酯,-5-(噻吩-2-基)甲基缩合合成新的席夫碱。 )-5-氧戊酸和4-(噻吩-2-基)-4-氧丁酸甲酯,其中p为“角色=“ presentation”> ppp-茴香胺,n为“角色=” presentation“> nnn-丁胺。这些合成的化合物的结构在元素分析,红外光谱,1“角色=”表示“> 1 1 ^ 1} H NMR,13”角色=“ present”>“> 13 13 ^ 13} C NMR的基础上得以阐明,以及GC-MS光谱技术。另外,基于DPPH自由基评估了合成化合物的抗氧化活性。
Process for producing 2-acylfuran derivatives
申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0268820A2
公开(公告)日:1988-06-01
2-acylfuran derivatives
(R: alkyl, phenyl, etc.; R1: H, alkyl) are prepared in high yield by reaction, in the presence of a boron trifluoride complex catalyst, of a furan compound
with
CHXY (X: H, Cl, Br; Y: Cl, Br) or with RCOOH in the presence of (XYCHCO)20.