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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2088683Generated: October 26, 2026

Water → HCID 136104188, compound

https://huagongshe.com/reaction/2088683

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant1-(Propan-2-yl)piperidine-4-carbohydrazideHCID 58305979—
ReactantEthyl[(Z)-1-(2-chloro-4-fluorophenyl)-2-cyanoethenyl]carbamateHCID 58306026—
SolventN-methyl-2-pyrrolidoneHCID 13387—
ProductHCID 136104188HCID 136104188—

Reaction Conditions

Temperature160 °C

Reaction Steps

1.5 g (5.14 mmol) of ethyl[(Z)-1-(2-chloro-4-fluorophenyl)-2-cyanoethenyl]carbamate (Example 36A) and 952 mg (5.14 mmol) of 1-(propan-2-yl)piperidine-4-carbohydrazide (Example 38A) were dissolved in 27 ml of N-methylpyrrolidone, and the mixture was stirred under argon at an oil bath temperature of 160° C. in a flask with fitted calcium chloride drying tube for 3 h. The reaction mixture was cooled to RT, water (50 ml) was added and the mixture was stirred for 15 min. The resulting precipitate was filtered off, washed with a little water and then dried under high vacuum. This gave 1.25 g (61% of theory) of the product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08436003B2
Source datasetuspto-grants-2013_05
ORD IDord-22d7e7ac01a647c1a78112a0e349c58c
Source noteuspto-grants-2013_05