摘要:
The invention relates to a process for the preparation of ferutinine (Ia) from Ferula spp extracts comprising basic hydrolysis of the extracts and treatment with p-pivaloyloxybenzoic acid. The invention relates also to the use of the extracts and ferutinine in the cosmetic and dermatological field.
摘要:
A process is provided for the preparation of 10-deacetyl-N-debenzoyl-paclitaxel (I) a synthon useful for the preparation of taxanes with antitumour activity, and intermediates for the preparation thereof. Also described is a process for the preparation of Docetaxel starting from the compound of formula (I).
摘要:
Hyperforin and adhyperforin halogenated derivatives of general formula (I) in which X, R and R1 have the meanings as defined in the disclosure, the process for the preparation thereof and the use thereof in the pharmaceutical and/or nutritional field, in particular in the treatment of depression, and Alzheimer's disease.
摘要:
A novel taxane derivative with anticancer activity, a process for its preparation and a process for the preparation of 14-β-hydroxy-1,14-carbonate-baccatine III and V derivatives 13-substituted by an isoserine residue.
摘要:
A process for the preparation of N-debenzoylpaclitaxel (I) through esterification of 7-protected baccatin III with a carboxylic acid reactive derivative of general formula (II), and elimination of the ester-protecting groups in acid conditions and in a single step. In formula (II) R1 is aryl or heteroaryl. The compound of formula (I) can be conveniently used for the preparation of paclitaxel and analogues.
摘要:
A process for the preparation of 14β-hydroxy-baccatin III-1,14-carbonate useful for the preparation of novel taxane derivatives with antitumor activity.
摘要:
N-deacetyl-thiocolchicine and 10-deacetyl-baccatin III derivatives of formula (I) wherein R and n have the meanings specified in the disclosure, are valuable antitumoral drugs.
摘要:
The invention relates to compounds of the formula: in which R is a saturated or unsaturated, straight or branched, C1-C22 acyl group, optionally having one or more substituents, which can be the same or different, selected from halogen atoms, nitro, amino, C1-C6-alkylamino, di-C1-C6-alkylamino, C1-C6-acylamino groups; a cycloaliphatic or aromatic acyl residue in which the aromatic moiety optionally has one or more substituents, which can be the same or different, selected from halogen atoms, hydroxy, methoxy, amino groups; a glycidic residue in which one or more hydroxy groups are optionally alkylated or acylated. The invention further relates to methods for extracting and extracts of these compounds from Hypericum perforatum as well as their use as active ingredients in antidepression medication.
摘要:
Seco-baccatin III derivatives of formula: wherein R, R1-R4, R1, R11, and R111 are disclosed herein; pharmaceutical compositions comprising seco-baccatin III derivative; and methods for treating cancer, arthritis, and inhibiting angiogenesis in an animal comprising administering to a patient in need thereof a therapeutically effective amount of a seco-baccatin III derivative are disclosed.
摘要:
The present invention relates to novel antimicrobial or preservative formulations exhibiting enhanced antimicrobial activity containing extract of Krameria, or a pure compound from the extract and extract of Mesua ferrea. The antimicrobial or preservative formulations are applied to pharmaceutical or cosmetic compositions which may also contain ximeninic acid, lauric acid, an anti-inflammatory saponin extracted from Olax dissitiflora, Aesculus hippocastanum, Centella asiatica, Terminalia sericea, Glycyrrhiza glabra, or mixtures thereof.