9, 21-Didehydroryanodine: a new principal toxic constituent of the botanical insecticide Ryania

9, 21-Didehydroryanodine: a new principal toxic constituent of the botanical insecticide Ryania Ryanoids and related compounds — Isolation and characterization of 11 new minor ryanoids from the plant<i>Ryania Speciosa</i>Vahl Ryanoids and related compounds. Identification of five new ryanoids from the plant<i>Ryania</i><i>speciosa</i>Vahl. Formal total syntheses of 3-deoxyryanodol (cinnzeylanol), 10-<i>O</i>-acetyl-3-deoxyryanodol (cinnzeylanine), 2-deoxyryanodol, 2-deoxy-2-epiryanodol, 2,3-dideoxy-2,3-dihydroryanodol, 2-deoxy-3-epiryanodol, and 2-deoxy-3-epiryanodine Ryanodyl 3-(pyridine-3-carboxylate): A Novel Ryanoid from Ryania Insecticide Ryanodyl 3-(pyridine-3-carboxylate): A Novel Ryanoid from Ryania Insecticide Structural aspects of ryanodine action and selectivity Bioactive ryanoids from nucleophilic additions to 4,12-seco-4,12-dioxoryanodine 1,2-dehydroaspidospermidine-N-oxide, an alkaloid from Rhazya stricta Rynaxypyr™: A new insecticidal anthranilic diamide that acts as a potent and selective ryanodine receptor activator Studies of Plants containing Indole Alkaloids. (2). On the Alkaloids of Uncaria rhynchophylla MIQ