170923-91-8

Upstream product

• 170923-90-7 7-chloro-2,3-dimethylpyrrolo[2,3-d]pyridazine 

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Pyrrolopyridazine derivatives

Pyrrolopyridazine derivatives having the general formula. In the above formula, R1 represents a C2-C6alkenyl-group, a halogeno-C2-C6-alkenyl group, a C6-C10 aryl-C2-C6-alkenyl group, a C2-C6 alkynyl group, a C3-C7 cycloalkyl group, a C3-C7 cycloalkyl-C1-C6-alkyl group, a C5-C7 cycloalkenyl-C1-C6-alkyl group or a halogeno-C1-C6-alkyl group; R2 and R3 are the same or different and each represents a hydrogen atom, a C1-C6 alkyl group or a C6-C10 aryl group; R4 represents a hydrogen atom or a C1-C6 alkyl group; R5 represents a C6-C10 aryl group or a 5-10 membered heteroaryl group comtaining heteroatom(s) selected from nitrogen, oxygen and sulfur;