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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 749751Generated: October 28, 2026

Cesium carbonate → HCID 59752648, compound

https://huagongshe.com/reaction/749751

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
ReactantBenzene, 1-(bromomethyl)-3-nitro-HCID 77568—
Reactant3-(4-chloro-phenyl)-4,5,7,8-tetrahydro-1H-1,2,6-triaza-azulene-6-carboxylic acid tert-butyl esterHCID 67269020—
ProductHCID 59752648HCID 597526484.5%

Reaction Steps

The title compound (0.005 g) was prepared from 3-(4-chloro-phenyl)-4,5,7,8-tetrahydro-1H-1,2,6-triaza-azulene-6-carboxylic acid tert-butyl ester (Example 59, Step C; 0.1 g) using 3-nitrobenzyl bromide (0.09 g) in place of benzyl chloride and Cs2CO3 (0.2 g) in place of NaH. MS (ESI): exact mass calculated for C20H19ClN4O2, 382.12; found, m/z 383.1 [M+H]+. 1H NMR (500 MHz, CD3OD): 8.07-8.05 (m, 1H), 7.91-7.87 (m, 1H), 7.50 (t, J=7.9 Hz, 1H), 7.44-7.38 (m, 3H), 7.36-7.33 (m, 2H), 5.41 (s, 2H), 2.88-2.85 (m, 4H), 2.82-2.79 (m, 2H), 2.73-2.71 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07402680B2
Source datasetuspto-grants-2008_07
ORD IDord-27f1ae756c61417c9d94a372d3ddf539
Source noteuspto-grants-2008_07