Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 329885Generated: October 30, 2026

Diketene → HCID 19871257, compound

https://huagongshe.com/reaction/329885

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiketeneHCID 12661—
Reactant1H-1,4-Diazepine-1-ethanol, 4-(diphenylmethyl)hexahydro-HCID 12236518—
ProductHCID 19871257HCID 1987125781.8%

Reaction Steps

4-Benzhydrylhomopiperazine-1-ethanol (2.6 g) was reacted with diketene in the same manner as Reference Example 1-(2) to give 2-(4-benzhydrylhomopiperazin-1-yl)ethyl acetoacetate as an oil (2.7 g, 81.8%). IR(Neat): 1735, 1715 cm-1. NMR(CDCl3)δ: 1.6-1.9(2H, m), 2.26(3H, s), 2.5-2.9(10H, m), 3.40(2H, s), 4.20(2H, t, J=6), 4.57(1H, s), 7.1-7.5(10H, m).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04892875
Source datasetuspto-grants-1990_01
ORD IDord-50a286d156e84ad7ba62c714baced431
Source noteuspto-grants-1990_01