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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 575305Generated: October 25, 2026

(R)-2-(5-methylisoxazol-3-yl)but-3-yn-2-ol → (R)-9-(3-hydroxy-3-(5-methylisoxazol-3-yl)but-1-yn-1-yl)-N3-methyl-4,5-dihydrobenzo[b]pyrazolo [1,5-d][1,4]oxazepine-2,3-dicarboxamide

https://huagongshe.com/reaction/575305

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(R)-2-(5-methylisoxazol-3-yl)but-3-yn-2-olHCID 58221468—
Reactant9-bromo-N3-methyl-4,5-dihydrobenzo[b]pyrazolo[1,5-d][1,4]oxazepine-2,3-dicarboxamideHCID 86693336—
Product(R)-9-(3-hydroxy-3-(5-methylisoxazol-3-yl)but-1-yn-1-yl)-N3-methyl-4,5-dihydrobenzo[b]pyrazolo [1,5-d][1,4]oxazepine-2,3-dicarboxamideHCID 8669333726%

Reaction Steps

Similar to as described in General Procedure G, 9-bromo-N3-methyl-4,5-dihydrobenzo[b]pyrazolo[1,5-d][1,4]oxazepine-2,3-dicarboxamide was reacted with (R)-2-(5-methylisoxazol-3-yl)but-3-yn-2-ol to give the titled compound as an off-white solid (37 mg, 26%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09034866B2
Source datasetuspto-grants-2015_05
ORD IDord-e9d331dd018946c6a517cde291dbba07
Source noteuspto-grants-2015_05