中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
N-(2-甲基-4-氧喹唑啉-3-基)乙酰胺 | N-(2-methyl-4-oxoquinazolin-4(3H)-yl)acetamide | 6761-05-3 | C11H11N3O2 | 217.227 |
2-甲基-4(3H)-喹唑酮 | 2-methyl-4-quinazolone | 1769-24-0 | C9H8N2O | 160.175 |
2-氰基-N-(2-甲基-4-氧代-4H-喹唑啉-3-基)-乙酰胺 | 2-cyano-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)acetamide | 25380-20-5 | C12H10N4O2 | 242.237 |
—— | 2-methyl-3-(pivaloylamino)-4(3H)-quinazolinone | 166046-51-1 | C14H17N3O2 | 259.308 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3-Amino-2-(chloromethyl)quinazolin-4(3H)-one | 138639-45-9 | C9H8ClN3O | 209.635 |
2-甲基-3-(甲基氨基)喹唑啉-4-酮 | 2-methyl-3-(methylamino)-4(3H)-quinazolinone | 59169-44-7 | C10H11N3O | 189.217 |
—— | 2-ethyl-3-(methylamino)-4(3H)-quinazolinone | 96999-12-1 | C11H13N3O | 203.244 |
3-氨基-2-(2-苯基乙烯基)喹唑啉-4-酮 | 3-amino-2-styrylquinazolin-4(3H)-one | 37649-32-4 | C16H13N3O | 263.299 |
—— | 2-(2-Methyl-4-oxoquinazolin-3-yl)guanidine | —— | C10H11N5O | 217.23 |
—— | Ethyl N-<2-Methyl-4(3H)-quinazolinon-3-yl>formimidate | 96498-83-8 | C12H13N3O2 | 231.254 |
N-(2-甲基-4-氧喹唑啉-3-基)乙酰胺 | N-(2-methyl-4-oxoquinazolin-4(3H)-yl)acetamide | 6761-05-3 | C11H11N3O2 | 217.227 |
—— | 2-methyl-3-(phenylmethylene)-amino-4(3H)quinazolinone | 56158-74-8 | C16H13N3O | 263.299 |
—— | 3-(Benzylideneamino)-2-methylquinazolin-4-one | 56158-74-8 | C16H13N3O | 263.299 |
—— | 2-(2-methyl-4-oxoquinazolin-3(4H)-ylamino)acetohydrazide | 1357583-84-6 | C11H13N5O2 | 247.257 |
—— | 3,3'-((1,4-phenylenebis(methanylylidene))bis(azanylylidene))bis(2-methylquinazolin-4(3H)-one) | —— | C26H20N6O2 | 448.484 |
—— | 2-methyl-3-(3-phenyl-allylideneamino)-3H-quinazolin-4-one | 41332-45-0 | C18H15N3O | 289.337 |
(2-甲基-4-氧代-3H-喹唑啉-3-基)二硫代氨基甲酸甲酯 | (2-methyl-4-oxo-3H-quinazolin-3-yl)dithiocarbamic acid methyl ester | 676244-29-4 | C11H11N3OS2 | 265.36 |
—— | 2-Methyl-3-carbomethoxyamino-3.4-dihydro-4-oxochinazolin | 69020-14-0 | C11H11N3O3 | 233.227 |
—— | ethyl N-(3,4-dihydro-2-methyl-4-oxoquinazolin-3-yl)glycinate | 518292-59-6 | C13H15N3O3 | 261.28 |
4(3H)-喹唑啉酮,3-[[(4-氯苯基)亚甲基]氨基]-2-甲基- | 3-(4-chloro-benzylideneamino)-2-methyl-3H-quinazolin-4-one | 1769-12-6 | C16H12ClN3O | 297.744 |
2-氯-N-(2-甲基-4-氧喹唑啉-3-基)乙酰胺 | 2-chloro-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)acetamide | 6761-07-5 | C11H10ClN3O2 | 251.672 |
—— | 3-((4-Chlorobenzylidene)amino)-2-methylquinazolin-4(3H)-one | —— | C16H12ClN3O | 297.74 |
2-甲基-4(3H)-喹唑酮 | 2-methyl-4-quinazolone | 1769-24-0 | C9H8N2O | 160.175 |
—— | (E)-2-methyl-3-[(naphthalen-2-ylmethylene)-amino]-3H-quinazolin-4-one | —— | C20H15N3O | 313.359 |
—— | 3-(4- hydroxybenzylideneamino)-2-methylquinazolin-4(3H)-one | 41332-41-6 | C16H13N3O2 | 279.298 |
—— | 3-(((1H-benzo[d]imidazol-2-yl)methyl)amino)-2-methylquinazolin-4(3H)-one | 1394357-24-4 | C17H15N5O | 305.339 |
—— | 1-allyl-3-(2-methyl-4-oxoquinazolin-3(4H)-yl)-thiourea | 113124-42-8 | C13H14N4OS | 274.346 |
—— | 2-{[(2-methyl-4-oxoquinazolin-3(4H)-yl)amino]acetyl}hydrazinecarbothioamide | 518292-61-0 | C12H14N6O2S | 306.348 |
—— | 3-(3-Chlorpropionylamino)-2-methyl-4(3H)-chinazolinon | 106997-14-2 | C12H12ClN3O2 | 265.699 |
—— | 3-(4-methoxy-benzylideneamino)-2-methyl-3H-quinazolin-4-one | 32226-80-5 | C17H15N3O2 | 293.325 |
—— | 3-[(4-methoxybenzylidene)amino]-2-methyl-4(3H)-quinazolinone | —— | C17H15N3O2 | 293.32 |
—— | 2-Methyl-3-(pyridin-2-ylmethylideneamino)quinazolin-4-one | 303126-78-5 | C15H12N4O | 264.286 |
—— | 2-methyl-3-(2'-hydroxybenzylamino)-quinazolin-(3H)-4-one | 94066-20-3 | C16H13N3O2 | 279.298 |
—— | 2-methyl-3-(pivaloylamino)-4(3H)-quinazolinone | 166046-51-1 | C14H17N3O2 | 259.308 |
—— | 2-methyl-3-(2-furylmethyleneamino)-quinazoline-(3H)-4-one | 127786-15-6 | C14H11N3O2 | 253.26 |
—— | 3-[(2-furylmethylene)amino]-2-methyl-4(3H)-quinazolinone | —— | C14H11N3O2 | 253.26 |
—— | 3-((4-(dimethylamino)benzylidene)amino)-2-methylquinazolin-4(3H)-one | 56158-75-9 | C18H18N4O | 306.367 |
—— | 3-({(1E)-[4-(dimethylamino)phenyl]methylene}amino)-2-methylquinazolin-4(3H)-one | 1236769-25-7 | C18H18N4O | 306.367 |
—— | 3-{[(E)-(2-chlorophenyl)methylidene]amino}-2-methylquinazolin-4(3H)-one | —— | C16H12ClN3O | 297.744 |
—— | 3-(2-chlorobenzalamino)-2-methyl-4(3H)-quinazolinone | 112447-50-4 | C16H12ClN3O | 297.744 |
—— | 3-[(E)-(4-ethoxyphenyl)methylideneamino]-2-methylquinazolin-4-one | 371929-96-3 | C18H17N3O2 | 307.352 |
—— | 2-methyl-3-(((E)-[4-(4-methylphenoxy)phenyl]methylidene)amino)quinazolin-4(3H)-one | 1293410-40-8 | C23H19N3O2 | 369.423 |
—— | 2-methyl-3-([(E)-(4-phenoxyphenyl)methylidene]amino)quinazolin-4(3H)-one | 1293410-38-4 | C22H17N3O2 | 355.396 |
—— | 2-(2-methyl-4-oxoquinazolin-3(4H)-ylamino)-N'-phenylacetohydrazide | 1357583-88-0 | C17H17N5O2 | 323.354 |
—— | 3-[(Z)-(4-butoxyphenyl)methylideneamino]-2-methylquinazolin-4-one | —— | C20H21N3O2 | 335.406 |
—— | N-(2-methyl-4-oxo-3,4-dihydroquinazolin-3-yl)succinamic acid | 220991-91-3 | C13H13N3O4 | 275.264 |
—— | 2-(2-carbamothioylhydrazinyl)-N-(2-methyl-4-oxoquinazolin-3-yl)acetamide | 503056-23-3 | C12H14N6O2S | 306.348 |
—— | 2-methyl-3-(4-nitro-benzylideneamino)-3H-quinazolin-4-one | 41332-43-8 | C16H12N4O3 | 308.296 |
—— | 3-(diphenylmethyleneamino)-2-methylquinazolin-4(3H)-one | 141736-11-0 | C22H17N3O | 339.396 |
—— | 3-[(Z)-(4-hexoxyphenyl)methylideneamino]-2-methylquinazolin-4-one | —— | C22H25N3O2 | 363.459 |
—— | 1-Benzyl-3-(2-methyl-4-oxoquinazolin-3-yl)thiourea | 113124-43-9 | C17H16N4OS | 324.406 |
—— | 2-(4-[(2-methyl-4-oxoquinazolin-3(4H)-ylimino)methyl]phenoxy)acetic acid | —— | C18H15N3O4 | 337.335 |
—— | 1-Cyclohexyl-3-(2-methyl-4-oxo-quinazolin-3-yl)thiourea | 113124-41-7 | C16H20N4OS | 316.427 |
—— | N-(2-Methyl-4-oxo-3(4H)-quinazolinyl)-2-phenylacetamide | —— | C17H15N3O2 | 293.325 |
—— | 2-methyl-3-(((E)-[4-(naphthalen-2-yloxy)phenyl]methylidene)amino)quinazolin-4(3H)-one | 1293410-45-3 | C26H19N3O2 | 405.456 |
—— | 3-(((E)-[4-(4-bromophenoxy)phenyl]methylidene)amino)-2-methylquinazolin-4(3H)-one | 1293410-42-0 | C22H16BrN3O2 | 434.292 |
—— | 3-(((E)-[4-(4-fluorophenoxy)phenyl]methylidene)amino)-2-methylquinazolin-4(3H)-one | 1293410-43-1 | C22H16FN3O2 | 373.386 |
—— | N-(2-methyl-4-oxoquinazolin-3(4H)-yl)benzamide | 6761-14-4 | C16H13N3O2 | 279.298 |
—— | 3-(((E)-[4-(4-chlorophenoxy)phenyl]methylidene)amino)-2-methylquinazolin-4(3H)-one | 1293410-41-9 | C22H16ClN3O2 | 389.841 |
1-(2-甲基-4-氧喹唑啉-3-基)-3-苯基硫脲 | 1-(2-methyl-4-oxo-4H-quinazolin-3-yl)-3-phenylthiourea | 62495-71-0 | C16H14N4OS | 310.379 |
—— | N-phenyl-3-(2'-methyl-4'(3'H)-quinazolinon-3'-yl)aminocarbamide | 160562-20-9 | C16H14N4O2 | 294.313 |
—— | 3-[(3-Hydroxy-4-methoxyphenyl)methylideneamino]-2-methylquinazolin-4-one | —— | C17H15N3O3 | 309.324 |
—— | benzylideneaminoacetyl-2-methylquinazlon-4(3H)-one | 98832-93-0 | C18H15N3O2 | 305.336 |
—— | 3-(m-nitrobenzylideneamino)-2-methyl-4(3H)-quinazolone | 41332-42-7 | C16H12N4O3 | 308.296 |
—— | (2E)-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)-3-phenylacrylamide | —— | C18H15N3O2 | 305.3 |
—— | 3-{[(5-amino-1,3,4-thiadiazol-2-yl)methyl]amino}-2-methylquinazolin-4(3H)-one | 518292-63-2 | C12H12N6OS | 288.333 |
—— | 2-Methyl-3-[1-(4-methylphenyl)ethylideneamino]quinazolin-4-one | 141736-12-1 | C18H17N3O | 291.352 |
—— | 2-(4-Chlorophenyl)-N-(2-methyl-4-oxo-3,4-dihydroquinazolin-3-YL)acetamide | —— | C17H14ClN3O2 | 327.77 |
—— | 3-(4-hydroxy-3-methoxy-benzylideneamino)-2-methyl-3H-quinazolin-4-one | 93332-51-5 | C17H15N3O3 | 309.324 |
—— | N-(4-tolyl)-N'-<2-methyl-4(3H)-quinazolinon-3-yl> thiourea | 87200-42-8 | C17H16N4OS | 324.406 |
4-氯-N-(2-甲基-4-氧喹唑啉-3-基)苯甲酰胺 | 4-chloro-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)benzamide | 178919-58-9 | C16H12ClN3O2 | 313.743 |
—— | (E)-3-((2-hydroxynaphthalen-1-yl)methyleneamino)-2-methylquinazoline-4(3H)-one | 1613228-58-2 | C20H15N3O2 | 329.358 |
—— | 3-amino-2-methyl-4(3H)-quinazoline-3',4'-dimethoxybenzaldehyde | 76716-05-7 | C18H17N3O3 | 323.351 |
—— | 3-[(E)-(3,4-dimethoxyphenyl)methylideneamino]-2-methylquinazolin-4-one | —— | C18H17N3O3 | 323.3 |
—— | N-(4-chlorophenyl)-N'-<2-methyl-4(3H)-quinazolinon-3-yl> thiourea | 96859-49-3 | C16H13ClN4OS | 344.824 |
1-(4-溴苯基)-3-(2-甲基-4-氧喹唑啉-3-基)硫脲 | N-(4-bromophenyl)-N'-<2-methyl-4(3H)-quinazolinon-3-yl> thiourea | 87200-43-9 | C16H13BrN4OS | 389.275 |
—— | 3-[1-(4-Aminophenyl)ethylideneamino]-2-methylquinazolin-4-one | 141736-16-5 | C17H16N4O | 292.34 |
—— | 4-bromo-N-(2-methyl-4-oxoquinazolin-3-yl)benzamide | —— | C16H12BrN3O2 | 358.194 |
—— | 3-methyl-N-(2-methyl-4-oxoquinazolin-3-yl)benzamide | —— | C17H15N3O2 | 293.325 |
—— | N-(2-methyl-4-oxo-3,4-dihydroquinazolin-3-yl)benzenesulfonamide | 93987-17-8 | C15H13N3O3S | 315.353 |
—— | 3-(2-aminothiazol-4-ylamino)-2-methylquinazolin-4(3H)-one | 1394357-26-6 | C12H11N5OS | 273.318 |
—— | 1-(4-Methoxyphenyl)-3-(2-methyl-4-oxoquinazolin-3-yl)thiourea | 96859-50-6 | C17H16N4O2S | 340.406 |
—— | 3-(((E)-[4-(4-chloro-3-methylphenoxy)phenyl]methylidene)amino)-2-methylquinazolin-4(3H)-one | 1293410-44-2 | C23H18ClN3O2 | 403.868 |
—— | 2-methyl-3-(((E)-[4-(4-nitrophenoxy)phenyl]methylidene)amino)quinazolin-4(3H)-one | 1293410-39-5 | C22H16N4O4 | 400.393 |
1-(2-甲基-4-氧喹唑啉-3-基)-3-(3-甲基苯基)硫脲 | Thiourea, N-(2-methyl-4-oxo-3(4H)-quinazolinyl)-N'-(3-methylphenyl)- | 105886-56-4 | C17H16N4OS | 324.406 |
—— | 7-(3,4-dihydro-2-methyl-4-oxoquinazolin-3-yl)-7-azabicyclo[4.1.0]heptane | 26153-20-8 | C15H17N3O | 255.319 |
—— | 4-methoxy-N-(2-methyl-4-oxo-4H-quinazolin-3-yl)-benzamide | 6761-15-5 | C17H15N3O3 | 309.324 |
—— | 2-methyl-3-(indol-3-ylmethylamino)-quinazoline-4(3H)-one | —— | C18H16N4O | 304.351 |
—— | 1-(3-Chlorophenyl)-3-(2-methyl-4-oxo-quinazolin-3-yl)thiourea | —— | C16H13ClN4OS | 344.824 |
—— | 3-[(2-Hydroxy-3-methoxyphenyl)methylideneamino]-2-methylquinazolin-4-one | 384795-14-6 | C17H15N3O3 | 309.324 |
—— | 2-Methyl-N-(2-methyl-4-oxo-3,4-dihydroquinazolin-3-YL)benzamide | —— | C17H15N3O2 | 293.325 |
—— | 1-(3H-2-methyl-4-oxo-3-quinazolyl)-3-(p-ethoxyphenyl)thiourea | 33267-90-2 | C18H18N4O2S | 354.433 |
—— | 2-Methyl-3-[(3,4,5-trimethoxyphenyl)methylideneamino]quinazolin-4-one | —— | C19H19N3O4 | 353.378 |
—— | 2-(2-[(2-methyl-4-oxoquinazolin-3(4H)-ylimino)methyl]phenoxy)acetic acid | —— | C18H15N3O4 | 337.335 |
—— | 2-methyl-3-{[(E)-(2-nitrophenyl)methylidene]amino}quinazolin-4(3H)-one | —— | C16H12N4O3 | 308.296 |
—— | 2-methyl-3-(2-nitro-benzylideneamino)-3H-quinazolin-4-one | 19687-75-3 | C16H12N4O3 | 308.296 |
—— | N-(2-tolyl)-N'-<2-methyl-4(3H)-quinazolinon-3-yl> thiourea | 113124-44-0 | C17H16N4OS | 324.406 |
—— | N-(2-methyl-4-oxoquinazolin-3-yl)furan-2-carboxamide | —— | C14H11N3O3 | 269.25 |
—— | 3-[(3-Ethoxy-2-hydroxyphenyl)methylideneamino]-2-methylquinazolin-4-one | —— | C18H17N3O3 | 323.351 |
—— | 3-(o-chlorobenzoylamino)-2-methyl-4(3H)-quinazolone | 98832-89-4 | C16H12ClN3O2 | 313.743 |
—— | 2-methyl-3-(4-nitro-benzoylamino)-3H-quinazolin-4-one | 6761-20-2 | C16H12N4O4 | 324.296 |
—— | N-(2-methyl-4-oxoquinazolin-3(4H)-yl)-2-(4-phenylpiperazin-1-yl)-acetamide | 1273022-35-7 | C21H23N5O2 | 377.446 |
—— | N-(2-methyl-4-oxoquinazolin-3(4H)-yl)-3-(4-phenylpiperazin-1-yl)-propanamide | 1273022-41-5 | C22H25N5O2 | 391.473 |
—— | 3-(((E)-[4-(1,3-benzodioxol-5-yloxy)phenyl]methylidene)amino)-2-methylquinazolin-4(3H)-one | 1293410-46-4 | C23H17N3O4 | 399.406 |
Treatment of 2-methyl-4-chloroquinazoline 2 with hydrazine gave 2-methyl-4-hydrazinoquinazoline 3 which was converted to 5-methyl-3-mercapto-s-triazolo[4,3-c]quinazoline 4, followed by S-alkylation with chloro-N-benzylacetanilide to give 6. The hydrazine 3 was converted to the hydrazone 9 with acetone, to 3,5-dimethyltriazolo[4,3-c]-quinazoline 10 with acetic anhydride, and to 5-methyl-s-tetrazolo[1,5-c]-quinazoline 12 via a nitroso intermediate 11 with nitrous acid. Compound 3 and its derivatives 4, 6, 10, and 12 differed from those alleged to have these structures. The previously reported compounds cannot have these structures since X-ray diffraction studies established that the structure of the common precursor is 3. The mercaptotriazole 4 was air oxidized to the disulfide 20 and hydrolyzed to 2-methyl-3-hydrazinothiocarbony]-4(3H)-quinazolinone 19. The reaction of 4 with carbon disulfide gave a side-product for which the 5-methylquinazolino[3,4-c]-1,2,4-thiadiazol-2-thione 21 is suggested. The 1H nmr chemical shifts of the quinazoline methyl substituent are near δ 3 ppm in the fully aromatic compounds and at higher field when the heterocycle is non-aromatic.