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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1763459Generated: October 30, 2026

HCID 178427624, compound → HCID 178514326, compound

https://huagongshe.com/reaction/1763459

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 178427624HCID 178427624—
SolventDichloromethaneHCID 6344—
SolventSodium HydroxideHCID 14798—
ProductHCID 178514326HCID 178514326—

Reaction Steps

33.8 g of 6-chloroisatin-3-p-toluenesulfonylhydrazone is suspended in a mixture of 970 ml of 0.2 N sodium hydroxide solution and 1.5 liters of dichloromethane. The suspension is heated at 41° for 3 hours with vigorous stirring under nitrogen, cooled to room temperature, filtered and recrystallized from methanol. Yield 13 g (68%), m.p. 197°-199° (d).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04112098
Source datasetuspto-grants-1978_09
ORD IDord-cc95e345e4d940a7bae7b55a91c65e82
Source noteuspto-grants-1978_09