Central Drug Researoh Institute, Lucknow-226 001 Several protoberberlne alkaloids have been lsolated from \(Corrdalis\) \(mosfolia\), \(C\). \(govaniana\), \(Stephania\), \(glabra\) and \(Cocculus\) \(pendulus\). The structure and stereochemistry of new bases have been assigned. Biosynthesis, and positive and negative chemical Ionization mass spectral studies of some protoberberine alkaloids have been carried out
Indian Institute of Chemical Biology, Calcutta-700 032 The structure elucidation and the synthesis ...
NMR spectral analysis has been used to deduce conformational structure la for thalic-tricavine...
Abstract: A specific methyltransferase which in the presence of S-adenosylmethionine [SAM] converts ...
Central Drug Research Institute, Lucknow-226 001 Several protoberberine alkaloids have been isolate...
RP-HPLC is the main method for the analysis of alkaloids. However, peak tailing is a problem that co...
(±)-Thalictrifoline (14), (±)-sinactine (13) and (±)-cavidine (18) have been synthesised from trans-...
A novel protoberberine alkaloid, 13-hydroxyl gusanlung A (1), was isolated from the aerial parts of ...
<div><p>Phytochemical investigation of the whole plants of <i>Dicranostigma leptopodum</i> (Maxim) F...
Alkali induced disproportionation of 7,8-dimethoxy-2-(3',4'-methylenedioxyphenethyl)iso-quinolinium ...
Tracer experiments show that the tetrahydroprotoberberines stepholidine (14), corydalmine (d15), cap...
Tetrahydro-13-methyl-y-coptisines (V) (m.p. 195°) and (VI) (m.p. 131°) have been synthesized from l-...
This study aims to qualitatively analyze protoberberine alkaloids in crude extract of Coptidis Rhizo...
Isooxyberberine reported to be formed by hot acid treatment of oxyberberine (I) is shown to have str...
New synthetic methods are explored for the synthesis of protoberberines using carbanionimine (CAI) c...
New synthetic methods are explored for the synthesis of protoberberines using carbanionimine (CAI) c...
Indian Institute of Chemical Biology, Calcutta-700 032 The structure elucidation and the synthesis ...
NMR spectral analysis has been used to deduce conformational structure la for thalic-tricavine...
Abstract: A specific methyltransferase which in the presence of S-adenosylmethionine [SAM] converts ...
Central Drug Research Institute, Lucknow-226 001 Several protoberberine alkaloids have been isolate...
RP-HPLC is the main method for the analysis of alkaloids. However, peak tailing is a problem that co...
(±)-Thalictrifoline (14), (±)-sinactine (13) and (±)-cavidine (18) have been synthesised from trans-...
A novel protoberberine alkaloid, 13-hydroxyl gusanlung A (1), was isolated from the aerial parts of ...
<div><p>Phytochemical investigation of the whole plants of <i>Dicranostigma leptopodum</i> (Maxim) F...
Alkali induced disproportionation of 7,8-dimethoxy-2-(3',4'-methylenedioxyphenethyl)iso-quinolinium ...
Tracer experiments show that the tetrahydroprotoberberines stepholidine (14), corydalmine (d15), cap...
Tetrahydro-13-methyl-y-coptisines (V) (m.p. 195°) and (VI) (m.p. 131°) have been synthesized from l-...
This study aims to qualitatively analyze protoberberine alkaloids in crude extract of Coptidis Rhizo...
Isooxyberberine reported to be formed by hot acid treatment of oxyberberine (I) is shown to have str...
New synthetic methods are explored for the synthesis of protoberberines using carbanionimine (CAI) c...
New synthetic methods are explored for the synthesis of protoberberines using carbanionimine (CAI) c...
Indian Institute of Chemical Biology, Calcutta-700 032 The structure elucidation and the synthesis ...
NMR spectral analysis has been used to deduce conformational structure la for thalic-tricavine...
Abstract: A specific methyltransferase which in the presence of S-adenosylmethionine [SAM] converts ...
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