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CAS No 549-28-0 , protostephanine

  • Name: protostephanine
  • Synonyms: 6,7,8,9-Tetrahydro-2,3,10,12-tetramethoxy-7-methyl-5H-dibenz[d,f]azonine;protostephanine;
  • CAS Registry Number:
  • Flash Point: 149.2°C
  • Boiling Point: 518.5°C at 760 mmHg
  • Density: 1.095g/cm3
  • Refractive index: 1.541
  • Flash Point: 149.2°C
  • Molecular Weight: 0
  • InChI: InChI=1S/C21H27NO4/c1-22-8-6-14-10-20(25-4)21(26-5)13-17(14)18-11-15(23-2)12-19(24-3)16(18)7-9-22/h10-13H,6-9H2,1-5H3
  • Molecular Formula: C21H25NO4
  • Molecular Structure:CAS No:549-28-0 protostephanine

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549-28-0 Protostephanine

  • Protostephanine, Min 99%
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References of protostephanine
Title: Protostephanine
CAS Registry Number: 549-28-0
CAS Name: 6,7,8,9-Tetrahydro-2,3,10,12-tetramethoxy-7-methyl-5H-dibenz[d,f]azonine
Molecular Formula: C21H27NO4
Molecular Weight: 357.44
Percent Composition: C 70.56%, H 7.61%, N 3.92%, O 17.90%
Literature References: A member of the hasubanan alkaloids. First alkaloid known to possess the unique dibenz[d,f]azonine structure. Isoln from Stephania japonica, Miers, Menispermaceae: H. Kondo, T. Sanada, J. Pharm. Soc. Jpn. 541, 177 (1927), C.A. 21, 27004 (1927); H. Kondo, T. Watanabe, ibid. 58, 268 (1938), C.A. 32, 54035 (1938). Structure: K. Takeda, Bull. Agric. Chem. Soc. Jpn. 20, 165 (1956). Synthesis: idem, C.A. 60, 5570f (1964); B. Pecherer, A. Brossi, J. Org. Chem. 32, 1053 (1967); A. R. Battersby et al., J. Chem. Soc. Perkin Trans. 1 1981, 2002. Biosynthesis: eidem, ibid. 2010, 2016, 2030.
Properties: White crystalline solid from benzene, mp 84-86° (Pecherer). Also reported as mp 75° (Kondo).
Melting point: mp 84-86° (Pecherer); mp 75° (Kondo)