Encyclopedia of the Alkaloids: Volume 2 (I-Z) - download pdf or read online

By John Glasby

ISBN-10: 1461587298

ISBN-13: 9781461587293

ISBN-10: 146158731X

ISBN-13: 9781461587316

Quantity four of the Encyclopedia of the Alkaloids covers the literature to the top of 1981 and comprises these compounds that have been stumbled on for the reason that quantity three used to be released in 1977. there's additionally a small variety of entries giving lately made up our minds constitution or addi­ tional information about alkaloids given within the previous 3 volumes. it's a nice excitement to thank the employees of the toilet Rylands technology Library of the Univer­ sity of Manchester for kindly delivering me with entry to the literature in this topic. Woodhouses, JOHN S. GLASBY Manchester, England might, 1982 Contents A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy two zero . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy nine P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 zero . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Q . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299 E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . three hundred F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31O G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339 H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358 I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361 J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367 okay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368 L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369 M . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370 formulation Index. . . . . . . . . . . . . . . . . . . . 371 A ACETYLALLOYOHIMBINE (Alkaloid NRB6) C23H2SN203 M. p. Indefinite I I OAc the basis bark of Rauwolfia nitida yields this yohimbine-type alkaloid which has been ob­ tained as an off-white amorphous powder having no certain melting aspect. the bottom is lae­ 2 vorotatory with a selected rotation of [aJ5 -89° (c zero. 01, CHCI ) and offers an ultraviolet three spectrum in MeOH with absorption maxima at 225,284 and 290 nm. The constitution has been validated from chemical and spectroscopic research. M. A. Amer, W. E. courtroom, Phytochem. , 20,2569 (1981) 14-ACETYLBROWNINE ___ :(OMe M. p.

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Extra info for Encyclopedia of the Alkaloids: Volume 2 (I-Z)

Sample text

Canescens and may be crystallized from EtOH or Et 20 when it forms colourless needles. p. 0, 50% EtOH). p. ) has also been prepared. , Helv. Chim. , Soc. BioI. ,J. Amer. Chem. p. , and yields colourless crystals from MeOH. 576, CHCI 3 ) and exhibits two absorption maxima in the ultraviolet spectrum at 241 and 292 mll. Two methylenedioxy groups, a methoxyl and a methylimino group are present. , Arch. , Collect. Czech. Chem. , Chem. , 212 (1968) ISORHOEAGENINE C2oH1906N o V 0 A minor base found in several Papaver species, the alkaloid is dextrorotatory with [alD + 153 0 (1: 1, MeOH-CHC1 3 ).

99-1 OO°C. p. 167 -8°C identical with pyraconitine. , Pharm. , J. Chem. , Arch. , Arch. , 251,453 (1913) JAPACONITINE A C34H47011N This aconite alkaloid has been isolated from certain Japanese species of Aconitum. 7° (CHCl 3 ). ). p. p. p. p. p. ). p. ). p. 208-9°C This base occurs only in minute quantities in Aconitum species. g. p. p. p. p. p. ). p. ). p. 2S1- 2°e. p. p. 251- 2°C. p. 143°C This quinolone base occurs in the leaves of Oxira japonica Thunberg. and forms colourless crystals from MeOH-Et 20.

Apart from the confirmation of the structure, few other details are yet available. , Acta Chem. , 26,3177 (1972) 710 N-ISOPENTENYLDENDROXINE H ~+N o /'-.... o This quaternary base is a constituent of various Dendrobiurn species, in particular D. nobile Lind!. It is usually obtained as the chloride which has also been shown to be present, as such, in the latter plant (see below). , Acta Chern. p. ). H ~+ N CI o o ~ Hedman and Leander have recently isolated this alkaloid from Dendrobiurn nobile Lind!.

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Encyclopedia of the Alkaloids: Volume 2 (I-Z) by John Glasby


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