ChemInform Abstract: MONOCROTALININE, A NEW ALKALOID FROM CROTOLARIA GRAHAMIANA

Rajagopalan, T. R.; Batra, V.

doi:10.1002/chin.197744348

Cited by 2 publications

(3 citation statements)

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“…The latter contain esterifying acids related to cinnamic acid (14). The 7-monoester 4 which has been previously reported as a constituent of Heliotropium currassavicum (15), may be naturally occurring or could have arisen by partial hydrolysis of 2. EXPERIMENTAL General experimental procedures.-Dccc was carried out using a Biichi 670 DCC chromatograph containing 500 tubes of 2.7 mm i.d.…”

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confidence: 99%

“…(C-8),60.75 (C-9), 173.98 (C-V), 84.64 (C-2'), 69.55 (C-3'), 18.53 (C-4'), 72.81 (C-5'), 24.42 (C-6'), 24.68 (C-7'), 167.09 (C-l"), 126.39 (C-2"), 140.58 (C-3"),15.99 (C-4"), 20.32 (C-5").…”

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confidence: 99%

“…, 137(15),138 (27), 147 (100); cims 147 (100); exact mass caled for C24H32N07, [MH}+ 446.2180; found 446.2209; ir (CHC13) 3660, 3540-3200, 2965, 2935, 2880, 1705, 1630, 1605, 1590, 1447, 1250-1200, 1160, 1102, 1065, 1020,980,828 cm-1.…”

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confidence: 99%

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Pyrrolizidine Alkaloids from Cynoglossum creticum. Synthesis of the Pyrrolizidine Alkaloids Echinatine, Rinderine, and Analogues

Asibal

Gliński²,

Gelbaum³

et al. 1989

J. Nat. Prod.

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Reinvestigation of Cynoglossum creticum led to the isolation of the previously reported echinatine [1] and heliosupine [2] as well as rinderine [3], 7-angelylheliotridine [4] and a new alkaloid, cynoglossamine [5]. The structures have been determined by spectral means (ir, ms, 1H-13C HETCOR nmr), comparison with literature data and authentic samples, and/or syntheses. In addition, 1 and all three of its isomers 3, 6, and 7 and other semisynthetic analogues (8-13) were prepared and characterized.

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confidence: 99%