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Chromone

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Eucryphin, a new chromone rhamnoside from the bark of Eucryphia cordifolia. R. Tschesche, S. Delhvi, S. Sepulveda and E. Breitmaier, Phytochemistry, Volume 18, Issue 5, 1979, pages 867–869,
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HOWELL, J.B. & ALTOUNYAN, R.E. (1967). A double-blind trial of disodium cromoglycate in the treatment of allergic bronchial asthma. Lancet, 2, 539–542.
446: 340: 520: 675: 648: 535:(disodium cromoglicate) was found to inhibit antigen challenge as well as stress induced symptoms. Cromoglicate is used as a 557:
sodium was found to have a somewhat longer half-life than cromolyn; however, production was discontinued in the US in 2008.
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Except where otherwise noted, data are given for materials in their
732: 727: 573: 560: 532: 485: 132: 762: 632: 224: 757: 752: 544: 477: 164: 481: 144: 122: 274: 34: 523:, a chromone rhamnoside, can be isolated from the bark of 79:-Chromen-4-one; Benzo-gamma-pyrone; 1-Benzopyran-4-one; 4 491:Derivatives of chromone are collectively known as 314:InChI=1S/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H 324:InChI=1/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H 791: 236: 108: 683: 669: 495:. Most, though not all, chromones are also 676: 662: 289: 214: 192: 641:at the U.S. National Library of Medicine 256: 285: 14: 792: 205: 657: 317:Key: OTAFHZMPRISVEM-UHFFFAOYSA-N 172: 152: 327:Key: OTAFHZMPRISVEM-UHFFFAOYAY 227: 24: 649:Synthesis at organic-chemistry.org 25: 811: 622: 509:6,7-dimethoxy-2,3-dihydrochromone 431: 375: 33: 427:(at 25 °C , 100 kPa). 607: 591: 381: 369: 75:4-Chromone; 1,4-Benzopyrone; 4 13: 1: 585: 603:10.1016/0031-9422(79)80032-1 563:with a second aromatic ring. 7: 567: 502: 10: 816: 771: 692: 484:ring. It is an isomer of 421: 417:-2.0 (of conjugate acid) 356: 336: 301: 92: 72: 56: 46: 41: 32: 643:Medical Subject Headings 549:allergic conjunctivitis 511:has been isolated from 703:Hydroxycinnamic acids 576:– a structural isomer 472:) is a derivative of 537:mast cell stabilizer 526:Eucryphia cordifolia 58:Preferred IUPAC name 514:Sarcolobus globosus 476:with a substituted 399: g·mol 66:-1-Benzopyran-4-one 29: 454:Infobox references 27: 787: 786: 541:allergic rhinitis 462:Chemical compound 460: 459: 348:O=C1C=COc2ccccc12 270:CompTox Dashboard 134:Interactive image 16:(Redirected from 807: 695:phenylpropanoids 686:phenylpropanoids 678: 671: 664: 655: 654: 617: 611: 605: 595: 497:phenylpropanoids 444: 438: 435: 434: 398: 383: 377: 371: 364:Chemical formula 294: 293: 278: 276: 260: 240: 229: 218: 207: 196: 176: 156: 136: 112: 37: 30: 26: 21: 815: 814: 810: 809: 808: 806: 805: 804: 790: 789: 788: 783: 767: 718:Cinnamaldehydes 712:Furanochromones 688: 682: 625: 620: 612: 608: 596: 592: 588: 580:Furanochromones 570: 505: 470:1,4-benzopyrone 463: 456: 451: 450: 449:  ?) 440: 436: 432: 428: 413: 396: 386: 380: 374: 366: 352: 349: 344: 343: 332: 329: 328: 325: 319: 318: 315: 309: 308: 297: 279: 272: 263: 243: 230: 199: 179: 159: 139: 126: 115: 102: 88: 68: 67: 52: 23: 22: 15: 12: 11: 5: 813: 803: 802: 785: 784: 782: 781: 775: 773: 769: 768: 766: 765: 760: 755: 750: 745: 740: 735: 730: 725: 720: 715: 705: 699: 697: 690: 689: 681: 680: 673: 666: 658: 652: 651: 646: 636: 635:– "4-chromone" 624: 623:External links 621: 619: 618: 606: 589: 587: 584: 583: 582: 577: 569: 566: 565: 564: 558: 552: 530: 518: 504: 501: 461: 458: 457: 452: 430: 429: 425:standard state 422: 419: 418: 415: 411: 401: 400: 394: 388: 387: 384: 378: 372: 367: 362: 359: 358: 354: 353: 351: 350: 347: 339: 338: 337: 334: 333: 331: 330: 326: 323: 322: 320: 316: 313: 312: 304: 303: 302: 299: 298: 296: 295: 287:DTXSID40197680 282: 280: 268: 265: 264: 262: 261: 253: 251: 245: 244: 242: 241: 233: 231: 223: 220: 219: 209: 201: 200: 198: 197: 189: 187: 181: 180: 178: 177: 169: 167: 161: 160: 158: 157: 149: 147: 141: 140: 138: 137: 129: 127: 120: 117: 116: 114: 113: 105: 103: 98: 95: 94: 90: 89: 74: 70: 69: 61: 60: 54: 53: 50: 44: 43: 39: 38: 9: 6: 4: 3: 2: 812: 801: 798: 797: 795: 780: 777: 776: 774: 770: 764: 761: 759: 756: 754: 751: 749: 746: 744: 743:Allylbenzenes 741: 739: 736: 734: 731: 729: 726: 724: 721: 719: 716: 713: 709: 706: 704: 701: 700: 698: 696: 691: 687: 679: 674: 672: 667: 665: 660: 659: 656: 650: 647: 644: 640: 637: 634: 630: 627: 626: 616: 610: 604: 600: 594: 590: 581: 578: 575: 572: 571: 562: 559: 556: 553: 550: 546: 542: 538: 534: 531: 528: 527: 522: 519: 516: 515: 510: 507: 506: 500: 498: 494: 489: 487: 483: 480:group on the 479: 475: 471: 467: 455: 448: 443: 426: 420: 416: 410: 406: 403: 402: 395: 393: 390: 389: 368: 365: 361: 360: 355: 346: 345: 342: 335: 321: 311: 310: 307: 300: 292: 288: 284: 283: 281: 271: 267: 266: 259: 255: 254: 252: 250: 247: 246: 239: 235: 234: 232: 226: 222: 221: 217: 213: 210: 208: 206:ECHA InfoCard 203: 202: 195: 191: 190: 188: 186: 183: 182: 175: 171: 170: 168: 166: 163: 162: 155: 151: 150: 148: 146: 143: 142: 135: 131: 130: 128: 124: 119: 118: 111: 107: 106: 104: 101: 97: 96: 91: 86: 82: 78: 71: 65: 59: 55: 51:Chromen-4-one 49: 45: 40: 36: 31: 19: 779:Rhododendrin 707: 609: 593: 524: 512: 492: 490: 469: 465: 464: 408: 93:Identifiers 87:)pyran-4-one 84: 80: 76: 73:Other names 63: 748:Stilbenoids 723:Monolignols 693:Classes of 357:Properties 212:100.007.035 174:ChEMBL13311 154:CHEBI:72013 738:Flavonoids 586:References 555:Nedocromil 474:benzopyran 392:Molar mass 258:20C556MJ76 185:ChemSpider 121:3D model ( 100:CAS Number 48:IUPAC name 800:Chromones 733:Chalcones 728:Coumarins 708:Chromones 684:Types of 639:Chromones 629:CID 10286 521:Eucryphin 493:chromones 28:Chromone 18:Chromones 794:Category 772:Examples 763:Suberins 615:Abstract 574:Coumarin 568:See also 561:Xanthone 533:Cromolyn 503:Examples 486:coumarin 466:Chromone 110:491-38-3 758:Lignins 753:Lignans 633:PubChem 447:what is 445: ( 405:Acidity 397:146.145 225:PubChem 83:-Benzo( 645:(MeSH) 545:asthma 442:verify 439:  341:SMILES 165:ChEMBL 42:Names 631:from 482:pyran 306:InChI 238:10286 145:ChEBI 123:JSmol 547:and 478:keto 468:(or 249:UNII 194:9866 599:doi 539:in 275:EPA 228:CID 796:: 543:, 499:. 488:. 414:) 407:(p 714:) 710:( 677:e 670:t 663:v 601:: 551:. 529:. 517:. 437:N 412:a 409:K 385:2 382:O 379:6 376:H 373:9 370:C 277:) 273:( 125:) 85:b 81:H 77:H 64:H 62:4 20:)

Index

Chromones

IUPAC name
Preferred IUPAC name
CAS Number
491-38-3
JSmol
Interactive image
ChEBI
CHEBI:72013
ChEMBL
ChEMBL13311
ChemSpider
9866
ECHA InfoCard
100.007.035
Edit this at Wikidata
PubChem
10286
UNII
20C556MJ76
CompTox Dashboard
DTXSID40197680
Edit this at Wikidata
InChI
SMILES
Chemical formula
Molar mass
Acidity
standard state

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