تفاعل #792172
ord-ee5b651db68c42bdb6a0cd05b0817b1d
معادلة التفاعل
ethyl 3-bromo-1-(3-chloro-2-pyridinyl)-4,5-dihydro-1H-pyrazole-5-carboxylate
ethyl 3-bromo-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxylate
→
3-Bromo-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxylic acid
المتفاعلات
الكواشف
لا شيء
ظروف التفاعل
الظروف التفصيلية
See reaction.notes.procedure_details.
الإجراء التجريبي
The following Example 14 illustrates an alternative preparation of ethyl 3-bromo-1-(3-chloro-2-pyridinyl)-4,5-dihydro-1H-pyrazole-5-carboxylate, which can be used to prepare, for example, ethyl 3-bromo-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxylate (i.e. product of Example 13, Step B).