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السلام عليكم ابنائي الطلاب التقرير للكشف عن مركب عضوي مجهول

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Quinazoline, Pyrazolo[1,5-c]quinazoline and Spiro Quinazoline Dimers from the Reaction of 2-Aminoacetophenene Hydrazones with Triphosgene

The reaction of hydrazones of 2-aminoacetophenone with triphosgene in dichloromethane or benzene in the presence of triethylamine gave quinazolines, pyrazolo[1,5-c]quinazoline and spiro…

by H. Z. Alkhathlan, M. A. Al-Saad, A. A. Mousa H. M. Al-Hazimi, K. A. Al-Farhan , A. A. Mousa and otheres

2002

Published in:

J. Chem. Res.

Sesquiterpene Lactones from Artemisia Species

Naturally occurring sesquiterpene lactones from Artemisia species which appeared in the literature during the last six years (1984-1989) have been reviewed.

by Hamad Z. Alkhathlan, A. A. Mousa and H. M. G. Al-Hazimi , A.A. Mousa and otheres

1992

Published in:

.J. Chem. Soc. P

Chemical diversity in leaf and stem essential oils of Origanum vulgare L. and their effects on microbicidal activities

Essential oils (EOs) from the stems and leaves of Origanum vulgare L. grown in Saudi Arabia and Jordan were analyzed by gas chromatography–mass spectrometry (GC–MS) and GC–flame ionization…

by H Alkhathlan and others

2019

Published in:

AMB Express