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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1041175Generated: November 1, 2026

1-Methyl-4-(piperidin-4-yl)piperazine → 1-Methyl-4-[1-(2-nitro-6,7,8,9-tetrahydro-5H-benzocyclohepten-7-yl)-piperidin-4-yl]-piperazine

https://huagongshe.com/reaction/1041175

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methyl-4-(piperidin-4-yl)piperazineHCID 795707—
Reactant2-Nitro-8,9-dihydro-5H-benzo[7]annulen-7(6H)-oneHCID 45790319—
Product1-Methyl-4-[1-(2-nitro-6,7,8,9-tetrahydro-5H-benzocyclohepten-7-yl)-piperidin-4-yl]-piperazineHCID 67264385—

Reaction Steps

1-Methyl-4-[1-(2-nitro-6,7,8,9-tetrahydro-5H-benzocyclohepten-7-yl)-piperidin-4-yl]-piperazine was prepared from 2-nitro-5,6,8,9-tetrahydrobenzocyclohepten-7-one and 1-methyl-4-piperidin-4-yl-piperazine in an analogous manner to Example 178a. Product was isolated as a tan solid. 1H NMR (CDCl3, 400 MHz) δ 7.98 (s, 1H), 7.97 (d, 1H, J=8.08 Hz), 7.24 (d, 1H, J=8.08 Hz), 2.95 (dd, 2H, J=7.32, 12 Hz), 2.84 (d, 2H, J=12 Hz), 2.74 (m, 3H), 2.60 (broad s, 4H), 2.47 (m, 3H), 2.29 (s, 5H), 2.11 (m, 2H), 1.82 (d, 2H, J=12 Hz), 1.67 (m, 2H), 1.54 (m, 2H), 1.40 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08552186B2
Source datasetuspto-grants-2013_10
ORD IDord-54243fae19604ce4a12d938b0e4a3575
Source noteuspto-grants-2013_10