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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 535547Generated: October 30, 2026

2-(4,4-Difluorocyclohexyl)acetic acid → Tert-butyl[(3-{[(4,4-difluorocyclohexyl)acetyl]amino}-4-oxo-3,4-dihydrophthalazin-1-yl)methyl]carbamate

https://huagongshe.com/reaction/535547

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(4,4-Difluorocyclohexyl)acetic acidHCID 53420743—
ReactantTert-butyl(3-amino-4-oxo-3,4-dihydrophthalazin-1-yl)methylcarbamateHCID 131731940—
ProductTert-butyl[(3-{[(4,4-difluorocyclohexyl)acetyl]amino}-4-oxo-3,4-dihydrophthalazin-1-yl)methyl]carbamateHCID 123307834—

Reaction Steps

The product of Example 41B and 2-(4,4-difluorocyclohexyl)acetic acid were treated using a method similar to that described in Example 56 to give the title compound. 1H NMR (300 MHz, DMSO-d6) δ 11.31 (s, 1H), 8.32 (dd, J=7.8, 1.4, 1H), 8.11 (d, J=8.0, 1H), 8.04-7.95 (m, 1H), 7.95-7.86 (m, 1H), 7.48-7.37 (m, 1H), 4.48-4.42 (m, 2H), 2.32-2.22 (m, 3H), 2.05-1.70 (m, 6H), 1.39 (s, 9H), 1.35-1.20 (m, 2H); MS (ESI−) M/Z 449 (M−H)−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08859549B2
Source datasetuspto-grants-2014_10
ORD IDord-ebd47278ca4c4e53862464ef2827e932
Source noteuspto-grants-2014_10