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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 648197Generated: October 30, 2026

8-(4-Bromobutyl)-8-azaspiro(4.5)decane-7,9-dione → 8-[4-[4-(1,2-Benzisoxazol-3-yl)-1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9-dione hemihydrate

https://huagongshe.com/reaction/648197

Reaction equation

Participants

RoleNameHCIDCharge
Reactant8-(4-Bromobutyl)-8-azaspiro(4.5)decane-7,9-dioneHCID 11208851—
Reactant3-(Piperazin-1-yl)-1,2-benzoxazoleHCID 13232475—
Product8-[4-[4-(1,2-Benzisoxazol-3-yl)-1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9-dione hemihydrateHCID 7050818740%

Reaction Steps

Reaction of 8-(4-bromobutyl)-8-azaspiro[4.5]decane-7,9-dione and 3-(1-piperazinyl)-1,2-benzisoxazole according to the procedure of Example 3 and crystallization of the free base from isopropanol affords a 40% yield of 8-[4-[4-(1,2-benzisoxazol-3-yl)-1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9-dione hemihydrate, m.p. 96°-98° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04411901
Source datasetuspto-grants-1983_10
ORD IDord-f8588dc3b2c5479da545fea02db9f01a
Source noteuspto-grants-1983_10