中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 5,6-di(fur-2'-yl)-3-oxo-2,3-dihydropyridazine-4-carbonitrile | 158014-40-5 | C13H7N3O3 | 253.217 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-[4-Cyano-5,6-bis(furan-2-yl)pyridazin-3-yl]sulfanylacetamide | 158014-43-8 | C15H10N4O3S | 326.335 |
—— | Ethyl 2-[4-cyano-5,6-bis(furan-2-yl)pyridazin-3-yl]sulfanylacetate | 158014-42-7 | C17H13N3O4S | 355.374 |
—— | 2-[4-cyano-5,6-bis(furan-2-yl)pyridazin-3-yl]sulfanyl-N-phenylacetamide | 158014-44-9 | C21H14N4O3S | 402.433 |
—— | 3-[2-(4-Chlorophenyl)-2-oxoethyl]sulfanyl-5,6-bis(furan-2-yl)pyridazine-4-carbonitrile | 158014-45-0 | C21H12ClN3O3S | 421.864 |
—— | methyl (2-ethoxy-5,6-di(2-furyl)-2H-pyridazino[4,3-e][1,3,2]-2-oxothiazaphosphinin-4-yl)acetate | 1204141-12-7 | C18H16N3O6PS | 433.381 |
—— | ethyl (2-ethoxy-5,6-di(2-furyl)-2H-pyridazino[4,3-e][1,3,2]-2-oxothiazaphosphinin-4-yl)acetate | 1204141-14-9 | C19H18N3O6PS | 447.408 |
—— | 5-Amino-3,4-bis(furan-2-yl)thieno[2,3-c]pyridazine-6-carboxamide | 158014-47-2 | C15H10N4O3S | 326.335 |
—— | 3-amino-4,5-difur-2'-ylthieno<2,3-c>pyridazine-2-carbohydrazide | 158014-50-7 | C15H11N5O3S | 341.35 |
—— | Ethyl 5-amino-3,4-bis(furan-2-yl)thieno[2,3-c]pyridazine-6-carboxylate | 158014-46-1 | C17H13N3O4S | 355.374 |
—— | 3-amino-4,5-difur-2'-ylthieno<2,3-c>pyridazine-2-carbonylazide | 158014-51-8 | C15H8N6O3S | 352.333 |
—— | 5-amino-3,4-bis(furan-2-yl)-N-phenylthieno[2,3-c]pyridazine-6-carboxamide | 158014-48-3 | C21H14N4O3S | 402.433 |
—— | diethyl [3,4-di(2-furyl)-5-oxo-5H-thiopyrano[2,3-c]pyridazin-6-yl]phosphonate | 1204141-20-7 | C19H17N2O6PS | 432.394 |
—— | 2-methyl-8,9-difur-2''-yl-pyridazino<3',4':4,5>thieno<2,3-d>oxazin-4-one | 158014-53-0 | C17H9N3O4S | 351.342 |
—— | diethyl (2-amino-8-cyano-5-ethyl-6,7-di(2-furyl)-5H-[1,3]thiazolo[3,2-b]pyridazin-3-yl)phosphonate | 1204141-17-2 | C21H23N4O5PS | 474.477 |
—— | ethyl 2-ethoxy-6-ethyl-4,5-di(2-furyl)-2,6-dihydro-2-oxo-[1,2]thiaphospholo[5,4-c]-pyridazine-3-carboxylate | 1204141-15-0 | C20H21N2O6PS | 448.436 |
—— | methyl 2-ethoxy-6-ethyl-4,5-di(2-furyl)-2,6-dihydro-2-oxo-[1,2]thiaphospholo[5,4-c]-pyridazine-3-carboxylate | 1204141-13-8 | C19H19N2O6PS | 434.409 |
Treatment of 5,6-di(2-furyl)-3-thioxo-2,3-dihydropyridazine-4-carbonitrile with phosphonate carboanions stabilised with electron withdrawing group (CO2R, CN, SR’) led, under microwave irradiation and the effect of basic catalysis, to excellent yields of a variety of condensed sulfur, nitrogen and phosphorus-containing heterocycles as major products, along with fused thieno- and thiazole ring systems bearing a phosphonate moiety. On the other hand, fused thiazaphosphinine oxide and thiopyranone phosphonate were obtained in equal yields from the reaction of 5,6-di(2-furyl)-3-thioxo-2,3-dihydropyridazine-4-carbonitrile with diethyl vinylphosphonate. Screening results of antimicrobial potency for the products were discussed in terms of structure-activity relationships (SAR), and an attempt was made to define the structural features for lead compounds.