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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 838898Generated: October 30, 2026

Methylamine → 1-((3,4-Dihydro-2,2-dimethyl-4-phenyl-2H-1-benzopyran-7-yl)oxy)-3-(methylamino)-2-propanol

https://huagongshe.com/reaction/838898

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
Reactant7-(2,3-Epoxypropoxy)-2,2-dimethyl-4-phenylchromanHCID 23330756—
Product1-((3,4-Dihydro-2,2-dimethyl-4-phenyl-2H-1-benzopyran-7-yl)oxy)-3-(methylamino)-2-propanolHCID 3046432—

Reaction Steps

Reaction of 7-(2,3-epoxypropoxy)-2,2-dimethyl-4-phenylchroman with methylamine by an analogous method to that described in Example 2 gave 7-(2-hydroxy-3-methylaminopropoxy)-2,2-dimethyl-4-phenylchroman isolated as its hydrochloride salt, (57%), m.p. 182°-183°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04093631
Source datasetuspto-grants-1978_06
ORD IDord-4f7a5c441bef41a2ab4a3e8c4d9d5918
Source noteuspto-grants-1978_06