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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2092163Generated: October 25, 2026

Ammonia → Chroman-4-one O-methyl-oxime

https://huagongshe.com/reaction/2092163

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantChromanoneHCID 68110—
Reactant7-(Tert-butyl)chroman-4-oneHCID 59548541—
ProductChroman-4-one O-methyl-oximeHCID 54035320—

Reaction Steps

The title compound was prepared using the procedure as described in Example 1B, substituting chroman-4-one for the product of Example 1A. 1H NMR (300 MHz, d6-DMSO) δ 7.79 (dd, J=1.0 and 7.5 Hz, 1H), 7.28 (m, 1H), 6.90 (m, 2H), 4.18 (t, J 6.0 Hz, 2H), 3.90 (s, 3H, minor), 3.88 (s, 3H, major), 2.82 (t, J 6.0 Hz, 2H). MS (DCI/NH3) m/e 178 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08440691B2
Source datasetuspto-grants-2013_05
ORD IDord-c21c28f7f3134414992a9391875764a2
Source noteuspto-grants-2013_05