Реакция #215918

Уравнение реакции

3,5-dimethoxy-4-hydroxybenzaldehyde

hydantoin

→

product

Выход 75.7%

5-[(3,5-Dimethoxy-4-hydroxyphenyl)methylene]-2,4-imidazolidinedione

Выход 75.7%

Условия реакции

Обработка

1. 1
   ДругоеPrepared

Методика

Prepared according to the procedure described in Example 90 using 3,5-dimethoxy-4-hydroxybenzaldehyde (5.6 g, 30 mmoles), hydantoin (3.0 g, 30 mmoles), and μ-alanine (1.4 g, 16 mmoles), to afford the pure product (6.0 g), mp 296°-297° C.

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