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Microwave-assisted synthesis of α-aminophosphine oxides by the Kabachnik-Fields reaction applying amides as the starting materials
被引:10
|作者:
Tripolszky, Anna
[1
]
Zoboki, Lili
[1
]
Balint, Erika
[1
]
Koti, Janos
[2
]
Keglevich, Gyorgy
[1
]
机构:
[1] Budapest Univ Technol & Econ, Dept Organ Chem & Technol, H-1521 Budapest, Hungary
[2] Gedeon Richter Plc, Budapest, Hungary
关键词:
alpha-Aminophosphine oxides;
carboxylic acid amides;
Kabachnik-Fields reaction;
microwave;
AMINO PHOSPHONATES;
SOLVENT-FREE;
IONIC LIQUID;
EFFICIENT;
CATALYST;
INHIBITORS;
BIS;
CONVENIENT;
FACILE;
ROUTE;
D O I:
10.1080/00397911.2019.1584675
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
A series of acylated alpha-aminophosphine oxides were synthesized by the microwave-assisted Kabachnik-Fields reaction of a series of carboxylic acid amides, formaldehyde and secondary phosphine oxides. To compensate the lower reactivity of the -NH2 reagents, they had to be used in an excess. The solvolytic condensations furnished the alpha-aminophosphine oxides in yields of 58-93% after purification by chromatography.
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页码:1047 / 1054
页数:8
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