The pharmacological actions of benzylisoquinoline alkaloids are quite substantial, and have
recently attracted much attention. One of the principle benzylisoquinoline alkaloids has been …

The causative agent of coronavirus disease‐2019 (COVID‐19), severe acute respiratory
syndrome coronavirus 2 (SARS‐CoV‐2), enters the host cells via an angiotensin‐converting …

A new phenolic alkaloid was isolated from opium and named palaudine. It was
characterized spectroscopically as 1‐(3′‐hydroxy‐4′‐methoxybenzyl)‐6, 7 …

A synthesis of 3, 4-dihydropapaverine, the key intermediate in the syntheses of the three
opium alkaloids, papaverine, papaveraldine and laúdanosme, is reported. 3, 4 …

The isoquinoline alkaloids, protopine and allocryptopine are components of numerous
phytopreparations. The wide spectrum of biological activities reported for these alkaloids …

Publisher Summary The isolation of morphine from opium and the recognition of the
significance of its physiological effects by FWA Sertiirner in 1803-1817 as well as the first …

Two new benzylisoquinoline alkaloids of the papaverine type, setigerine (racemic α-
methoxypapaverine, 1b) and setigeridine (1c), were isolated from Papaver setigerum DC. as …

Publisher Summary This chapter describes the structures of the alkaloids, synthesis of
alkaloids, and pharmacology of alkaloids of the Calabar bean (Physostigmu uenenosum) …

Papaver somniferum commonly known as Khashkhash/Afyon, belongs to family
Papaveraceae. It is one of those traditional plants, which have a long history of usage as …

Tetrahedron Letters, V01.22, N0.32, pp 3069 - 3070, 1981 printed in Great Britain 0040-4039/01/323069-02&12.00/O
01981 Perga Page 1 Tetrahedron Letters, V01.22, N0.32, pp 3069 - 3070, 1981 printed in Great …