Classification Term: 169517

1-Benzopyrans (ontology term: 1071cce8aad371d7b1be1d91dd30ee28)

found 42 associated metabolites at sub_class metabolite taxonomy ontology rank level.

Child Taxonomies: There is no child term of current ontology term.

Cromoglicic acid

5-{3-[(2-carboxy-4-oxo-4H-chromen-5-yl)oxy]-2-hydroxypropoxy}-4-oxo-4H-chromene-2-carboxylic acid

Cromoglicic acid is only found in individuals that have used or taken this drug. It is a chromone complex that acts by inhibiting the release of chemical mediators from sensitized mast cells. It is used in the prophylactic treatment of both allergic and exercise-induced asthma, but does not affect an established asthmatic attack. [PubChem]Cromoglicate inhibits degranulation of mast cells, subsequently preventing the release of histamine and slow-reacting substance of anaphylaxis (SRS-A), mediators of type I allergic reactions. Cromoglicate also may reduce the release of inflammatory leukotrienes. Cromoglicate may act by inhibiting calcium influx. A - Alimentary tract and metabolism > A07 - Antidiarrheals, intestinal antiinflammatory/antiinfective agents > A07E - Intestinal antiinflammatory agents > A07EB - Antiallergic agents, excl. corticosteroids R - Respiratory system > R03 - Drugs for obstructive airway diseases > R03B - Other drugs for obstructive airway diseases, inhalants > R03BC - Antiallergic agents, excl. corticosteroids R - Respiratory system > R01 - Nasal preparations > R01A - Decongestants and other nasal preparations for topical use > R01AC - Antiallergic agents, excl. corticosteroids D - Dermatologicals > D11 - Other dermatological preparations > D11A - Other dermatological preparations > D11AH - Agents for dermatitis, excluding corticosteroids C78273 - Agent Affecting Respiratory System > C29712 - Anti-asthmatic Agent > C29714 - Mast Cell Stabilizer S - Sensory organs > S01 - Ophthalmologicals > S01G - Decongestants and antiallergics D000893 - Anti-Inflammatory Agents > D000082142 - Mast Cell Stabilizers D019141 - Respiratory System Agents > D018927 - Anti-Asthmatic Agents D018926 - Anti-Allergic Agents D007155 - Immunologic Factors

Encecalin

1-(7-Methoxy-2,2-dimethyl-2H-1-benzopyran-6-yl)ethanone

C14H16O3 (232.1099)

Chromafenozide

N-tert-butyl-3,5-dimethyl-N-(5-methyl-3,4-dihydro-2H-1-benzopyran-6-carbonyl)benzohydrazide

C24H30N2O3 (394.2256)

2-(4-Methoxyphenethyl)chromone

C18H16O3 (280.1099)

Drummondin A

C26H30O8 (470.1941)

Eupatoriochromene

Desmethylencecalin

C13H14O3 (218.0943)

Precocene II

6,7-Dimethoxy-2,2-dimethyl-2H-benzo(b)pyran

C13H16O3 (220.1099)

D010575 - Pesticides > D007306 - Insecticides D016573 - Agrochemicals Precocene II is the insect antijuvenile hormone[1].

Elaeocarpine

(+)-Elaeocarpine

C16H19NO2 (257.1416)

Calcein AM

(acetyloxy)methyl 2-({2-[(acetyloxy)methoxy]-2-oxoethyl}({[3,6-bis(acetyloxy)-2-{[bis({2-[(acetyloxy)methoxy]-2-oxoethyl})amino]methyl}-3-oxo-3H-spiro[2-benzofuran-1,9-xanthene]-7-yl]methyl})amino)acetate

C46H46N2O23 (994.2491)

D019995 - Laboratory Chemicals > D007202 - Indicators and Reagents > D049408 - Luminescent Agents D004396 - Coloring Agents > D005456 - Fluorescent Dyes > D005452 - Fluoresceins D000970 - Antineoplastic Agents

Propantheline chloride

C23H30ClNO3 (403.1914)

2-Carboxy-2-hydroxy-8-carboxychromene

C11H8O6 (236.0321)

Amlexanox

2-Amino-7-isopropyl-5-oxo-5H-(1)benzopyrano(2,3-b)pyridine-3-carboxylic acid

C16H14N2O4 (298.0954)

Amlexanox is an antiallergic drug, clinically effective for atopic diseases, especially allergic asthma and rhinitis. Amlexanox as a topical paste is a well tolerated treatment of recurrent aphthous ulcers. Recurrent aphthous ulcer (RAU) is the most prevalent oral mucosal disease in humans, estimated to affect between 5\\% and 50\\% of the general population. A - Alimentary tract and metabolism > A01 - Stomatological preparations > A01A - Stomatological preparations C308 - Immunotherapeutic Agent > C29578 - Histamine-1 Receptor Antagonist R - Respiratory system > R03 - Drugs for obstructive airway diseases D018926 - Anti-Allergic Agents

Eugenitol

5,7-dihydroxy-2,6-dimethyl-4H-chromen-4-one

C11H10O4 (206.0579)

Eugenitol is found in herbs and spices. Eugenitol is a constituent of the flowers of Eugenia caryophyllata (clove)

2,3-Dihydro-6-methoxy-2,2-dimethyl-4H-1-benzopyran-4-one

6-methoxy-2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-4-one

C12H14O3 (206.0943)

2,3-Dihydro-6-methoxy-2,2-dimethyl-4H-1-benzopyran-4-one is found in mushrooms. 2,3-Dihydro-6-methoxy-2,2-dimethyl-4H-1-benzopyran-4-one is isolated from the mushroom Lentinus crinitus (palatability not certain). Isolated from the mushroom Lentinus crinitus (palatability not certain). 2,3-Dihydro-6-methoxy-2,2-dimethyl-4H-1-benzopyran-4-one is found in mushrooms.

5'-Carboxy-alpha-chromanol

5-[(2R)-6-hydroxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl]-2-methylpentanoic acid

C19H28O4 (320.1987)

5-carboxy-alpha-tocopherol is a dehydrogenation carboxylate product of 5-hydroxy-a-tocopherol by an unidentified microsomal enzyme(s) probably via an aldehyde intermediate. The tocopherols ( a-tocopherol , b-tocopherol ,r-tocopherol and d-tocopherol ) and their corresponding tocotrienols are synthesized by plants and have vitamin E antixoidant activity (see pathway vitamin E biosynthesis ). They differ in the number and location of methyl groups on the chromanol ring. The naturally occurring form of a-tocopherol is (2R,4R,8R)-a-tocopherol (synonym (R,R,R)-a-tocopherol). Synthetic a-tocopherols are a racemic mixture of eight different R and S stereoisomers. Only the 2R forms are recognized as meeting human requirements. The in vivo function of vitamin E is to scavenge peroxyl radicals via its phenolic (chromanol) hydroxyl group, thus protecting lipids against free radical-catalyzed peroxidation. The tocopheryl radical formed can then be reduced by reductants such as L-ascorbate. Other major products of a-tocopherol oxidation include α-tocopherylquinone and epoxy-a-tocopherols. The metabolites a-tocopheronic acid and its lactone, known as the Simon metabolites, are generally believed to be artefacts. In addition to these oxidation products, the other major class of tocopherol metabolites is the carboxyethyl-hydroxychromans.These metabolites are produced in significant amounts in response to excess vitamin E ingestion. Vitamin E is fat-soluble and its utilization requires intestinal fat absorption mechanisms. It is secreted from the intestine into the lymphatic system in chylomicrons which subsequently enter the plasma. Lipolysis of these chylomicrons can result in delivery of vitamin E to tissues, transfer to high-density lipoproteins (and subsequently to other lipoproteins via the phospholipid exchange protein), or retention in chylomicron remnants. These remnants are taken up by the liver. Natural (R,R,R)-α-tocopherol and synthetic 2R-α-tocopherols are then preferentially secreted from the liver into plasma as a result of the specificity of the α-tocopherol transfer protein. This protein, along with the metabolism of excess vitamin E in the liver and excretion into urine and bile, mediate the supply of a-tocopherol in plasma and tissues. 5-carboxy-alpha-tocopherol is a dehydrogenation carboxylate product of 5-hydroxy-a-tocopherol by an unidentified microsomal enzyme(s) probably via an aldehyde intermediate

Fluorescein

3,6-dihydroxy-3H-spiro[2-benzofuran-1,9-xanthene]-3-one

C20H12O5 (332.0685)

A phthalic indicator dye that appears yellow-green in normal tear film and bright green in a more alkaline medium, such as the aqueous humor, and is used therapeutically as a diagnostic aid in corneal injuries and corneal trauma. It has been approved by FDA for use in externally applied drugs and cosmetics. (From Merck Index, 12th ed; American Medical Association Drug Evaluations; 1995, p2275) S - Sensory organs > S01 - Ophthalmologicals > S01J - Diagnostic agents > S01JA - Colouring agents D019995 - Laboratory Chemicals > D007202 - Indicators and Reagents > D049408 - Luminescent Agents D004396 - Coloring Agents > D005456 - Fluorescent Dyes > D005452 - Fluoresceins

alpha-CEHC

3-(6-hydroxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl)propanoic acid

C16H22O4 (278.1518)

alpha-Carboxyethyl hydrochroman (alpha-CEHC) has been identified as a major water-soluble metabolite of vitamin E, which circulates in the blood and is excreted in the urine (PMID: 12420750). About one-third of the alpha-CEHC circulating in the blood is present as alpha-CEHC glucuronide (PMID: 10552913). 2,5,7,8-tetramethyl-2-(2-carboxyethyl)-6-hydroxychroman (alpha-CEHC) has been identified as a major water-soluble metabolite of vitamin E, which circulates in the blood and is excreted with the urine. (PMID 12420750) [HMDB]

Elaeocarpine

7-methyl-2-oxa-15-azatetracyclo[8.7.0.0³,⁸.0¹¹,¹⁵]heptadeca-3(8),4,6-trien-9-one

C16H19NO2 (257.1416)

2,2-Dimethyl-8-prenylchromene 6-carboxylic acid

C17H20O3 (272.1412)

PRECOCENE II

NCGC00160199-01!PRECOCENE II

C13H16O3 (220.1099)

amlexanox

2-amino-5-oxo-7-(propan-2-yl)-5H-chromeno[2,3-b]pyridine-3-carboxylic acid

C16H14N2O4 (298.0954)

A - Alimentary tract and metabolism > A01 - Stomatological preparations > A01A - Stomatological preparations C308 - Immunotherapeutic Agent > C29578 - Histamine-1 Receptor Antagonist R - Respiratory system > R03 - Drugs for obstructive airway diseases D018926 - Anti-Allergic Agents

chromafenozide

N'-tert-butyl-N'-(3,5-dimethylbenzoyl)-5-methyl-3,4-dihydro-2H-chromene-6-carbohydrazide

C24H30N2O3 (394.2256)

EUGENITOL

5,7-dihydroxy-2,6-dimethylchromen-4-one

C11H10O4 (206.0579)

fluorescein

3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one

C20H12O5 (332.0685)

S - Sensory organs > S01 - Ophthalmologicals > S01J - Diagnostic agents > S01JA - Colouring agents D019995 - Laboratory Chemicals > D007202 - Indicators and Reagents > D049408 - Luminescent Agents D004396 - Coloring Agents > D005456 - Fluorescent Dyes > D005452 - Fluoresceins CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 4072; ORIGINAL_PRECURSOR_SCAN_NO 4070 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX501; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 3808; ORIGINAL_PRECURSOR_SCAN_NO 3807 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 4061; ORIGINAL_PRECURSOR_SCAN_NO 4059 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 4073; ORIGINAL_PRECURSOR_SCAN_NO 4068 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX501; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 3806; ORIGINAL_PRECURSOR_SCAN_NO 3804 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX501; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 3799; ORIGINAL_PRECURSOR_SCAN_NO 3797 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 8283; ORIGINAL_PRECURSOR_SCAN_NO 8281 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 8291; ORIGINAL_PRECURSOR_SCAN_NO 8289 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 8318; ORIGINAL_PRECURSOR_SCAN_NO 8316 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 8336; ORIGINAL_PRECURSOR_SCAN_NO 8335 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 8351; ORIGINAL_PRECURSOR_SCAN_NO 8349 CONFIDENCE standard compound; INTERNAL_ID 788; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 8331; ORIGINAL_PRECURSOR_SCAN_NO 8329

D010575 - Pesticides > D007306 - Insecticides D016573 - Agrochemicals Precocene II is the insect antijuvenile hormone[1].