(5β,12S,19β)-2,3-Didehydro-7β-hydroxy-8β-methyl-8a-homo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester

62861-08-9

CAS №: 62861-08-9

английское имя:: (5β,12S,19β)-2,3-Didehydro-7β-hydroxy-8β-methyl-8a-homo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester

Синонимы:: Iboxyphylline;2,3-Didehydro-7β-hydroxy-8β-methyl-8a-homo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester;(5β,12S,19β)-2,3-Didehydro-7β-hydroxy-8β-methyl-8a-homo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester;Indolo[2,3-i]pyrrolo[3,2,1-jk][1]benzazepine-6-carboxylic acid, 1,2,3,4,4a,5,7,12,13,14a-decahydro-3-hydroxy-2-methyl-, methyl ester, (2R,3S,4aS,11bS,14aR)- (9CI)

CBNumber:: CB42224873

Формула:: C21H26N2O3

молекулярный вес:: 354.44

MOL File:: 62861-08-9.mol

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(5β,12S,19β)-2,3-Didehydro-7β-hydroxy-8β-methyl-8a-homo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester атрибут

Температура плавления:	245°C
Температура кипения:	533.4±50.0 °C(Predicted)
плотность:	1.31±0.1 g/cm3(Predicted)
пка:	14.82±0.60(Predicted)

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(5β,12S,19β)-2,3-Didehydro-7β-hydroxy-8β-methyl-8a-homo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester химические свойства, назначение, производство

Описание

The leaves of Tabernanthe iboga and T. subsessilis yield this alkaloid which occurs with ibophyllidine (q.v.). When crystallized from Me2CO it yields colourless monoclinic crystals. The base has a specific rotation of [α]_D + 444° (c 1.0, CHCl3) and gives an ultraviolet spectrum in EtOH with absorption maxima at 227, 295 and 328 nm. Iboxyphylline has been characterized as the O-acetate with m.p. 167°C and a specific rotation of [α]_D + 466° (c 1.0, CHCI3). The structure given above has been confirmed by X-ray crystallography. The crystals are monoclinic with space group P2 1 and a = 9.7642, b = 12.4493 and c = 8.1182 A with Z = 2.

использованная литература

Khuong-Huu et al., Tetrahedron, 32, 2539 (1976)

(5β,12S,19β)-2,3-Didehydro-7β-hydroxy-8β-methyl-8a-homo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester препаратная продукция и сырье

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