Synthesis, Characterization and Single Crystal Studies of 3-cyclopropyl-3, 4-dihydroquinazolin-2(1H)-one

نویسنده

  • NITINKUMAR S. SHETTY
چکیده

The paper describes industrially scalable synthesis and single crystal studies of 3-cyclopropyl3,4-dihydroquinazolin-2(1H)-one 4, a versatile intermediate in the synthesis of number of biologically active compounds. The target compound has been characterized by LC-MS, 1H NMR and IR. The crystal structure analysis shows that the title compound crystallizes in monoclinic class under the space group P 1 21/n 1 with cell parameters, a = 10.273(2) Å, b = 8.3227(19) Å, c = 11.623(3) Å, β = 104.980(3)°, V = 960.0(4) Å3 and Z=4.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Synthesis and Crystal Structure of 1-(3-Fluorophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one

The base catalyzed intramolecular nucleophilic cyclization of 1-(2-bromobenzoyl)-3-(2-fluorophenyl)thiourea (1) in the presence of N,N-dimethyl formamide (DMF) afforded the 1-(3-fluorophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (2) by an intramolecular nucleophilic substitution SNAr mechanism. The structure was supported by the spectroscopic data and unambiguously confirmed by the single c...

متن کامل

Synthesis and Crystal Structure of 3-(4-Methoxyphenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one

Synthesis of the title compound from 4-methoxyaniline was accomplished in three steps. The structure was supported by spectroscopic data and unambiguously confirmed by single crystal X-ray diffraction data. It crystallizes in the monoclinic space group P21 with unit cell dimensions a = 9.9349(8), b = 6.3377(5), c = 10.5783(10) Å, β = 97.752(3)°, V = 659.97(10) Å, Z = 2.

متن کامل

Boric Acid Supported on Montmorillonites as Catalysts for Synthesis of 2,3-dihydroquinazolin-4(1H)-ones

Synthesis of 2,3-dihydroquinazolin-4(1H)-ones using H3BO3/montmorillonite K10 (H3BO3/mont K10) catalyst has been reported. H3BO3/mont K10 and H3BO3/mont K30 have been prepared and used as catalysts in the reaction between anthranilamide and benzaldehyde to prepare 2-phenyl...

متن کامل

Sulfuric Acid Functionalized Magnetic Nanocatalyst for One-pot Green Synthesis of 2,3-Dihydroquinazolin-4 (1H) -ones

Sulfuric acid functionalized magnetic nanocatalyst (SAMNC) has been prepared as an efficientacidic and applied in the one-pot preparation of 2,3-dihydroquinazolin-4 (1H) -one derivatives.This catalyst has been characterized by FT-IR, SEM, and VSM. According to the obtainedresults, including time, yield and recyclability, SAMNC could be considered as an efficient catalystfor organic transformati...

متن کامل

Synthesis and COX-2 Inhibitory Activity of 4-[(E)-2-(4-Oxo-3-phenyl-3,4-dihydroquinazolin-2-yl)ethenyl]benzene-1-sulfonamideand Its Analogs

Some novel 3-phenyl-2-[(E)-2-phenylethenyl]-3,4-dihydroquinazolin-4-one derivatives possessing para-sulfonamides groups on the phenyl ring of the 2-phenylethenyl moiety have been synthesized and their COX-2 inhibitory activity evaluated. The stuctures of the synthesized compounds were confirmed  on the basis of  FT-IR, 1H-NMR, 13C-NMR and mass spectral data. The COX-2 inhibition screening assay...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2016