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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 455470Generated: October 30, 2026

2-Oxindole-5-carboxylic acid → HCID 67223945, compound

https://huagongshe.com/reaction/455470

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Oxindole-5-carboxylic acidHCID 2773318—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactantcis-2,3,4,4a,9,9a-hexahydro-1H-indeno[2,1-b]pyridineHCID 58123900—
ProductHCID 67223945HCID 6722394529%

Reaction Steps

The title compound is prepared from 2-oxo-2,3-dihydro-1H-indole-5-carboxylic acid and cis-2,3,4,4a,9,9a-hexahydro-1H-indeno[2,1-b]pyridine following a procedure analogous to that described in Example 1 [2-(7-aza-1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate is used]. Yield: 29% of theory; LC (method 5): tR=0.98 min; Mass spectrum (ESI+): m/z=333 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08497281B2
Source datasetuspto-grants-2013_07
ORD IDord-33cf98f73c704c06815e4aba38abe045
Source noteuspto-grants-2013_07