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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 224926Generated: October 29, 2026

Methylamine → 1-{[2,2-Dimethyl-4-(naphthalen-2-yl)-3,4-dihydro-2H-1-benzopyran-7-yl]oxy}-3-(methylamino)propan-2-ol

https://huagongshe.com/reaction/224926

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantHCID 23330758HCID 23330758—
Product1-{[2,2-Dimethyl-4-(naphthalen-2-yl)-3,4-dihydro-2H-1-benzopyran-7-yl]oxy}-3-(methylamino)propan-2-olHCID 16206276—

Reaction Steps

Reaction of 7-(2,3-epoxypropoxy)-2,2-dimethyl-4-(2-naphthyl)chroman with methylamine, by an analogous method to that described in Example 2 gave 7-(2-hydroxy-3-methylaminopropoxy)-2,2-dimethyl-4-(2-naphthyl)chroman isolated as its hydrochloride salt m.p. 183°-188°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04234726
Source datasetuspto-grants-1980_11
ORD IDord-7ccd40cd7c374f799e373fae553950bc
Source noteuspto-grants-1980_11