Mass Spectra of 3-Alkoxycarbonylmethylene-2(1H)-quinoxalinones and -2H-1, 4-benzoxazin-2-ones
نویسندگان
چکیده
منابع مشابه
8-Chloro-4-cyclohexyl-2H-1,4-benzoxazin-3(4H)-one
In the crystal structure of title compound, C(14)H(16)ClNO(2), the cyclo-hexyl ring is in a chair conformation. The molecules are connected into centrosymmetric dimers via weak C-H⋯O hydrogen bonds.
متن کامل7-Chloro-4-phenethyl-2H-1,4-benzoxazin-3(4H)-one
In the crystal structure of title compound, C(16)H(14)ClNO(2), the dihedral angle between the aromatic rings is 4.2 (2)°.
متن کامل(2Z)-N-(4-Methoxyphenyl)-2-(4-methoxyphenylimino)-2H-1,4-benzoxazin-3-amine
In the crystal structure of the title compound, C(22)H(19)N(3)O(3), inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into a zigzag chain parallel to the face diagonal of the ac plane. The meth-oxy phenyl rings make a dihdral angle of 32.38 (7)° and form dihedral angles of 0.66 (8) and 24.17 (7)° with the fused benzooxazine ring system.
متن کامل4-(2-Nitrobenzyl)-3-phenyl-3,4-dihydro-2H-1,4-benzoxazin-2-ol
The title compound, C21H18N2O4, crystallizes with two independent mol-ecules (A and B) in the asymmetric unit. In both mol-ecules the oxazine ring has an envelope conformation with the hydroxyl-substituted C atom as the flap. The nitro-benzyl ring and the phenyl ring are almost normal to the mean plane of the benzooxazine ring system with dihdral angles of 85.72 (15) and 82.69 (15)°, respective...
متن کاملSynthesis and Bioevaluation of 4-[(2/4-chloro-/2, 3-dichloro-/2/4-bromo-/2, 4-dinitro-/4-nitrophenyl) Anilinomethyl]-6-t-butyl-2H-1-benzopyran-2-ones
Synthesis of 4-[(2/4-chloro-/2,3-dichloro-/2/4-bromo-/2,4-dinitro-/4-nitrophenyl) anilinemethyl]6-t-butyl-2H-1-benzopyran-2-ones have been carried out. Synthesized compounds were characterized by 1HNMR, IR and other physical and analytical data. All of the synthesized compounds were evaluated for their antifungal activity against Aspergillus awamori and Sclerotium rolfsii and antibacterial acti...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Mass Spectrometry Society of Japan
سال: 1978
ISSN: 1884-3271,1340-8097
DOI: 10.5702/massspec1953.26.353