Reaction between aldehydes and isocyanates catalysed by metal carbonyls
نویسندگان
چکیده
منابع مشابه
Rhodium-catalysed addition reaction of aryl- and alkenylboronic acids to isocyanates.
The addition reaction of aryl- and alkenylboronic acids to isocyanates is catalysed by a rhodium(I) complex, affording secondary amides under mild conditions.
متن کاملMagnesium-catalysed hydroboration of aldehydes and ketones.
The heteroleptic magnesium alkyl complex [CH{C(Me)NAr}(2)Mg(n)Bu] (Ar = 2,6-(i)Pr(2)C(6)H(3)) is reported as a highly efficient pre-catalyst for the hydroboration of aldehydes and ketones with pinacolborane.
متن کاملPractical copper(I)-catalysed amidation of aldehydes.
The direct synthesis of amides by insertion into the C-H bond of aldehydes is shown to be a practical procedure through application of cheap, readily available catalysts generated in situ from copper(i) halides and pyridine.
متن کاملHeavier group 2 element-catalysed hydroamination of isocyanates.
The heteroleptic calcium amides [{ArNC(Me)CHC(Me)NAr}Ca(NR(2))(THF)] (Ar=2,6-di-iso-propylphenyl, R=SiMe(3), Ph) and the homoleptic heavier alkaline earth amides, [M{N(SiMe(3))(2)}(2)] (M=Ca, Sr and Ba) are reported as pre-catalysts for the hydroamination of isocyanates.
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We present herein a new and efficient four-component synthesis of isoxazol-5(2H)-ones involving ring closing/Knoevenagel condensation/Michael addition sequential reactions.
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ژورنال
عنوان ژورنال: J. Chem. Soc., Chem. Commun.
سال: 1972
ISSN: 0022-4936
DOI: 10.1039/c39720000484