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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 38583Generated: October 25, 2026

(2E)-4-(Dimethylamino)-2-butenoic acid hydrochloride → N-(3,4-Dichlorophenyl)-6-[(2E)-4-(dimethylamino)but-2-enoyl]-6,7-dihydro-5H-pyrrolo[3',4':4,5]thieno[2,3-d]pyrimidin-4-amine

https://huagongshe.com/reaction/38583

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2E)-4-(Dimethylamino)-2-butenoic acid hydrochlorideHCID 45358758—
ReactantN-(3,4-Dichlorophenyl)-6,7-dihydro-5H-pyrrolo[3',4':4,5]thieno[2,3-d]pyrimidin-4-amineHCID 58116802—
ProductN-(3,4-Dichlorophenyl)-6-[(2E)-4-(dimethylamino)but-2-enoyl]-6,7-dihydro-5H-pyrrolo[3',4':4,5]thieno[2,3-d]pyrimidin-4-amineHCID 58116868—

Reaction Steps

In analogy to Example 89, the title compound was prepared from N-(3,4-dichlorophenyl)-6,7-dihydro-5H-pyrrolo[3′,4′:4,5]thieno[2,3-d]pyrimidin-4-amine from Example 25A (65 mg, 0.19 mmol) and (2E)-4-(dimethylamino)but-2-enoic acid hydrochloride from Example 1A (45 mg, 0.27 mmol) to yield 24 mg (26%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08524722B2
Source datasetuspto-grants-2013_09
ORD IDord-aa2ad321361c491a819282f893f41467
Source noteuspto-grants-2013_09