(Tetrahydro-2H-pyran-4-yl)hydrazine → (cis)-4-(3,4-Dimethoxyphenyl)-2-(tetrahydropyran-4-yl)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one

Participants

Role	Name	HCID	Charge
Reactant	(Tetrahydro-2H-pyran-4-yl)hydrazine	HCID 10057480	—
Reactant	(cis)-4-(3,4-Dimethoxyphenyl)-2-(2-hydroxy-1-ethyl)-4a,5,6,7,8,8a-hexahydro-2H-phthalazin-1-one	HCID 86755609	—
Product	(cis)-4-(3,4-Dimethoxyphenyl)-2-(tetrahydropyran-4-yl)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one	HCID 86755631	—

Prepared from compound C and 4-hydrazinotetrahydropyran as described for compound 35. Crystallized from methanol. M.p. 175°-177° C.