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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1965254Generated: October 31, 2026

3-hydroxy-3-(5-hydroxy-2-methyl-1,3-benzothiazol-6-yl)-1,3-dihydro-2H-indol-2-one → 1-(diphenylmethyl)-3-(5-hydroxy-2-methyl-1,3-benzoxazol-6-yl)-1,3-dihydro-2H-indol-2-one

https://huagongshe.com/reaction/1965254

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-hydroxy-3-(5-hydroxy-2-methyl-1,3-benzothiazol-6-yl)-1,3-dihydro-2H-indol-2-oneHCID 67356882—
ReactantHCID 67357419HCID 67357419—
Product1-(diphenylmethyl)-3-(5-hydroxy-2-methyl-1,3-benzoxazol-6-yl)-1,3-dihydro-2H-indol-2-oneHCID 67356167—

Reaction Steps

Following the procedure as described in PREPARATION 1B, and making non-critical variations using 1-(diphenylmethyl)-3-hydroxy-3-(5-hydroxy-2-methyl-1,3-benzoxazol-6-yl)-1,3-dihydro-2H-indol-2-one to replace 3-hydroxy-3-(5-hydroxy-2-methyl-1,3-benzothiazol-6-yl)-1,3-dihydro-2H-indol-2-one, 1-(diphenylmethyl)-3-(5-hydroxy-2-methyl-1,3-benzoxazol-6-yl)-1,3-dihydro-2H-indol-2-one was obtained (87%) as a colorless solid: MS (ES+) m/z 447.4 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08415370B2
Source datasetuspto-grants-2013_04
ORD IDord-79b95b8a44294c4e8774d933c8a63b4c
Source noteuspto-grants-2013_04