A copper iodide promoted cyclization for the synthesis of isoxazolyl imidazo[1,2-b]isoxazoles 3 in a one-pot procedure has been investigated by interaction of 3-aminoisoxazole 1 with nitrostyrylisoxazoles 2 under aerial oxidation condition. The newly synthesized compounds 3a–l were screened for their in vitro antimicrobial and anti-inflammatory activities.
通过 3-氨基异恶唑1与硝基苯乙烯基异恶唑2在空气氧化条件下的相互作用,研究了一锅法合成异恶唑基咪唑并[1,2- b ] 异恶唑3的碘化铜促进环化反应。筛选了新合成的化合物3a-l的体外抗菌和抗炎活性。
REDDI, K. MALLA;RAO, C. JANAKIRAMA;MURTHY, A. KRISHNA, INDIAN J. CHEM., 1985, 24, N 2, 212-213
作者:REDDI, K. MALLA、RAO, C. JANAKIRAMA、MURTHY, A. KRISHNA
DOI:——
日期:——
REDDI, K. MALLA;RAO, C. JANAKIRAMA;MURTHY, A. KRISHNA, J. INDIAN CHEM. SOC., 1985, 62, N 3, 219-221
作者:REDDI, K. MALLA、RAO, C. JANAKIRAMA、MURTHY, A. KRISHNA
DOI:——
日期:——
Catalytic Asymmetric Conjugate Addition of Nitroalkanes to 4-Nitro-5-styrylisoxazoles
作者:Andrea Baschieri、Luca Bernardi、Alfredo Ricci、Surisetti Suresh、Mauroâ F.â A. Adamo
DOI:10.1002/anie.200905018
日期:2009.11.23
Nitro versus nitro: 4‐Nitro‐5‐styrylisoxazoles were used as masked α,β‐unsaturated carboxylic acids in the titled catalyticasymmetric transformation. The 4‐nitroisoxazole core acts as an activator of the conjugated alkene and a latent carboxylate functionality. The reaction proceeded with 5 mol % of a readily prepared phase‐transfer catalyst at room temperature with remarkable diastereo‐ and enantioselectivity