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Phosphorodiamidic acid derivative

Phosphorodiamidic acid derivative (49) has been developed as a Bronsted acid for the direct Mannich reaction (Figure 2.39) [183]. [Pg.97]

In addition to replacement of the oxygen atom in phosphorodiamidous acids (R2N)2P(0)H by sulphur, the exothermic reaction with P2S5 also leads to insertion of a sulphur atom into the P—H bond, to give derivatives of the dithio-acid (R2N)2P(S)SH. Five-membered-ring systems (111) rather than the previously... [Pg.323]

The new bidentate phosphoramide (106) derived from 2,2-bispyrrolidine provided the highest yield and enantioselectivity in the addition of various allylic trichlorosilyl species to aromatic and unsaturated aldehydes (Scheme 36). It has been shown that phosphorodiamidic acid is a novel structural motif of Bronsted acid catalysts (107)... [Pg.138]

See other pages where Phosphorodiamidic acid derivative is mentioned: [Pg.137]    [Pg.137]    [Pg.1892]    [Pg.113]    [Pg.256]   
See also in sourсe #XX -- [ Pg.97 ]



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Phosphorodiamidates

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