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Allenes can be easily prepared using the 3,2-sigmatropic rearrangement of ylidic intermediates. This methodology also provides a general route towards the synthesis of cumulenes. Some examples using sulfonium and ammonium ylides are collected in Table 5. ... [Pg.963]

See other pages where Allenes ylidic rearrangements is mentioned: [Pg.913] [Pg.963]

See also in sourсe #XX -- [ Pg.3 ]

See also in sourсe #XX -- [ Pg.963 ]

See also in sourсe #XX -- [ Pg.3 ]