Home > Name List By b > Butanoic acid,2-methyl-,(9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, (...

CAS No 477-32-7 , Butanoic acid,2-methyl-,(9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2R)-

  • Name: Butanoic acid,2-methyl-,(9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2R)-
  • Synonyms: Visnamine; Carduben; Butyric acid, 2-methyl-,9-ester with9,10-dihydro-9,10-dihydroxy-8,8-dimethyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-oneacetate (8CI); 2H,8H-Benzo[1,2-b:3,4-b']dipyran, butanoic acidderiv.; Cardine; 3,4,5-Trihydroxy-2,2-dimethyl-6-chromanacrylic acid d-lactone 4-acetate3-(2-methylbutyrate);Butanoicacid, 2-methyl-, 10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, [9R-[9a(R*),10a]]-;Provismine (A); 3-(a-Methylbutyryloxy)-4-acetoxy-3,4-dihydroseseline; Visgan; Visnadin (6CI); Vibeline; Visnadine; Visnacorin;Butanoic acid,2-methyl-,(9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2R)-;
  • CAS Registry Number:
  • Flash Point: 206.9 ºC
  • Boiling Point: 477.7 ºC at 760 mmHg
  • Density: 1.26 g/cm3
  • Refractive index: 1.559
  • Flash Point: 206.9 ºC
  • EINECS: 207-515-1
  • Molecular Weight: 388.4111
  • InChI: InChI=1/C21H24O7/c1-6-11(2)20(24)27-19-18(25-12(3)22)16-14(28-21(19,4)5)9-7-13-8-10-15(23)26-17(13)16/h7-11,18-19H,6H2,1-5H3/t11-,18-,19-/m1/s1
  • Molecular Formula: C21H24 O7
  • Molecular Structure:CAS No:477-32-7 Butanoic acid,2-methyl-,(9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2R)-

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477-32-7 VISNADINE

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
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477-32-7 Visnadine

  • Visnadine, Min 99%
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477-32-7 VISNADIN(P)

  • VISNADIN(P)Cardin
  • United States ChromaDex Inc. [Manufacturer]
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References of Butanoic acid,2-methyl-,(9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2R)-
Title: Visnadine
CAS Registry Number: 477-32-7
CAS Name: (2R)-2-Methylbutanoic acid (9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b￠]dipyran-9-yl ester
Synonyms: 2-methylbutyric acid 9-ester with 9,10-dihydro-9,10-dihydroxy-8,8-dimethyl-2H,8H-benzo[1,2-b:3,4-b￠]dipyran-2-one acetate; 8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b￠]dipyran-9,10-diyl-10-acetate-9-(a-methylbutyrate); 3,4,5-trihydroxy-2,2-dimethyl-6-chromanacrylic acid d-lactone 4-acetate 3-(2-methylbutyrate); 4￠-acetoxy-3￠-(a-methylbutyryloxy)-2￠,2￠-dimethyldihydropyrano(7,8:6￠,5￠)coumarin; 3-(a-methylbutyryloxy)-4-acetoxy-3,4-dihydroseseline
Trademarks: Cardine (Marshall); Carduben (Madaus); Vibeline (Bellon); Visnamine (Chinoin)
Molecular Formula: C21H24O7
Molecular Weight: 388.41
Percent Composition: C 64.94%, H 6.23%, O 28.83%
Literature References: Isoln from seeds of Ammi visnaga L., Umbelliferae (Bishop's weed): Smith et al., Science 115, 520 (1952); eidem, J. Am. Chem. Soc. 79, 3534 (1957); Smith, Haber; Smith, Hosansky, US 2816118; US 2980699 (1957, 1961 both to Penick); Le Men, US 2995574 (1961 to Lab. Roger Bellon); Baddar et al., J. Chem. Soc. 1963, 4522. Synthesis of (±)-form: Shanbhag et al., Tetrahedron 21, 3591 (1965). Pharmacology and toxicology: Nkondi et al., Therapie 21, 1267 (1966); Erbring et al., Arzneim.-Forsch. 17, 283 (1967); Eyraud, Aurousseau, ibid. 23, 201 (1973).
Properties: Needles from light petr, or ether + hexane, mp 85-88°. [a]D20 +9.2° (alc), [a]D30 +42.5° (c = 2 in dioxane). Slightly sol in water; quite sol in ethanol, methanol. Very sol in chloroform, acetone, ether, benzene, DMF. LD50 in mice (mg/kg): 2240 orally; >370 s.c. (Erbring).
Melting point: mp 85-88°
Optical Rotation: [a]D20 +9.2° (alc); [a]D30 +42.5° (c = 2 in dioxane)
Toxicity data: LD50 in mice (mg/kg): 2240 orally; >370 s.c. (Erbring)
 
Derivative Type: (±)-Form
Properties: Crystals from petr ether, mp 150-152° (Shanbhag).
Melting point: mp 150-152° (Shanbhag)
 
Therap-Cat: Vasodilator (coronary).
Keywords: Vasodilator (Coronary).