Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 991521Generated: October 26, 2026

1-(1,3-Benzodioxol-5-yl)-1-isopropylurea → 1-Isopropyl-6,7-methylenedioxy4-(5-indanyl)-3,4-dihydro-quinazolin-2(1H)-one

https://huagongshe.com/reaction/991521

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(1,3-Benzodioxol-5-yl)-1-isopropylureaHCID 100555—
Reactant5-IndanecarboxaldehydeHCID 121624—
Product1-Isopropyl-6,7-methylenedioxy4-(5-indanyl)-3,4-dihydro-quinazolin-2(1H)-oneHCID 1215017959%

Reaction Steps

This compound was synthesized from N-isopropyl-N-[3,4-(methylenedioxy)-phenyl]urea (291 mg) and 5-indancarboxaldehyde (190 mg) by the procedure described in example 10 in 59% yield, mp: 146-148° C. 1H NMR (CDCl3): 7.21-7.04 (m, 3H), 6.67 (s, 1H), 6.30 (s, 1H), 5.91 (d, J=1.4, 1H), 5.89 (d, J=1.4. 1H), 5.27 (s, 1H), 5.00 (s, 1H), 4.45 (m, 1H), 2.89 (m, 4H), 2.08 (m, 2H), 2.08 (m, 2H), 1.58-1.55 (m, 6H). Anal. calcd. for C21N22O3; C, 71.98; H, 6.33; N, 7.99. Found: C, 72.25; H, 6.59; N, 7.89.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06465472B1
Source datasetuspto-grants-2002_10
ORD IDord-85d8cdf5521c4189bc4ef91ab8b46994
Source noteuspto-grants-2002_10