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CAS No 483-10-3 , Yohimban-16-carboxylicacid, 17-hydroxy-, methyl ester, (16b,17a)-

  • Name: Yohimban-16-carboxylicacid, 17-hydroxy-, methyl ester, (16b,17a)-
  • Synonyms: Corynanthin; Yohimban-16b-carboxylic acid, 17a-hydroxy-, methyl ester (8CI);Corynanthine(6CI,7CI); Benz[g]indolo[2,3-a]quinolizine,yohimban-16-carboxylic acid deriv.;Rauhimbine; NSC 407306; Rauhimbin;Yohimban-16-carboxylicacid, 17-hydroxy-, methyl ester, (16b,17a)-;
  • CAS Registry Number:
  • Transport: 1544
  • Melting Point: 225-230°C
  • Flash Point: 282.2°C
  • Boiling Point: 543°Cat760mmHg
  • Density: 1.31g/cm3
  • Refractive index: 1.66
  • Safety Statements:
    Risk Statements 25
    Safety Statements 1-20-45
    RIDADR 1544
    WGK Germany 3
  • Flash Point: 282.2°C
  • EINECS: 207-590-0
  • Molecular Weight: 354.44
  • InChI: InChI=1/C21H26N2O3/c1-26-21(25)19-15-10-17-20-14(13-4-2-3-5-16(13)22-20)8-9-23(17)11-12(15)6-7-18(19)24/h2-5,12,15,17-19,22,24H,6-11H2,1H3/t12-,15-,17-,18-,19-/m0/s1
  • Risk Statements: 25
  • Molecular Formula: C21H26 N2 O3
  • Molecular Structure:CAS No:483-10-3 Yohimban-16-carboxylicacid, 17-hydroxy-, methyl ester, (16b,17a)-

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References of Yohimban-16-carboxylicacid, 17-hydroxy-, methyl ester, (16b,17a)-
Title: Corynanthine
CAS Registry Number: 483-10-3
CAS Name: (16b,17a)-17-Hydroxyyohimban-16-carboxylic acid methyl ester
Synonyms: rauhimbine
Molecular Formula: C21H26N2O3
Molecular Weight: 354.44
Percent Composition: C 71.16%, H 7.39%, N 7.90%, O 13.54%
Literature References: From bark of Pseudocinchona africana Chev., Corynanthe johimbe K. Schum., Rubiaceae and Rauwolfia serpentina (L.) Benth., Apocynaceae: Raymond-Hamet, Compt. Rend. 212, 305 (1941); Jorio, Ann. Chim. Farm. 1939, 50, C.A. 33, 93069 (1939); Le Hir et al., Ann. Pharm. Fr. 11, 546 (1953); Hofmann, Helv. Chim. Acta 37, 314 (1954). Identity with rauhimbine: idem, ibid. 849. Structure and stereochemistry: Janot et al., Bull. Soc. Chim. Fr. 1952, 1085; 1961, 637.
Properties: Stout prisms from acetone, dec 225-226°. [a]D19 -85° (c = 0.5 in pyridine). uv max (methanol): 226, 283, 290 nm (log e 4.56, 3.87, 3.79). Practically insol in water or petr ether. Sol in 40 parts of boiling chloroform, in 60 parts of boiling benzene, in 20 parts of boiling ethyl acetate, in 5 parts of boiling alcohol.
Optical Rotation: [a]D19 -85° (c = 0.5 in pyridine)
Absorption maximum: uv max (methanol): 226, 283, 290 nm (log e 4.56, 3.87, 3.79)
 
Derivative Type: O,N-Dibutyrylcorynanthine hydrochloride
Literature References: Prepn: Reiser et al., US 2975183 (1961 to Chemische Werke Albert).
Properties: Crystals from benzene, mp 208-210°.
Melting point: mp 208-210°
 
Derivative Type: O,N-Dipropionylcorynanthine hydrochloride
Literature References: Prepn: Reiser et al., loc. cit.
Properties: Crystals from isopropanol, mp 236-237°.
Melting point: mp 236-237°