摘要:
The invention concerns 23-oxa derivatives of vitamins of the D-series, the derivatives having the formula (I), in which R?1, R2 and R4¿, independently of each other, may be a hydrogen atom or an acyl group with 1-9 carbon atoms; each R3 may be a hydrogen atom or a straight-chain or branched-chain alkyl group with 1-4 carbon atoms; and x is an alkylene residue-(CH¿2?)n-in which n =1, 2 or 3, neither of the R?3¿ groups being methyl or propyl when n = 1. The invention also concerns a method of preparing such derivatives. The compounds have a proliferation inhibiting and cell differentiating effect and are suitable for the production of medicaments.
摘要:
Emploi de dérivés d'acide carboxylique d'hydroxyalkane de formule générale (I), où n représente un nombre compris entre 7 et 18, R1 est un atome d'hydrogène ou un groupe acyle avec 16 atomes de carbone au maximum et R2 et R3 représentent chacun des groupes alkyle avec 8 atomes de carbone au maximum ou ensemble représentent un groupe alkylène avec 4 à 8 atomes de carbone, éventuellement interrompu par un atome d'oxygène ou un atome d'azote, pour fabriquer un médicament destiné au traitement topique de maladies de la peau et des muqueuses.
摘要:
The invention concerns novel vitamin D derivatives with C-25 substituents of general formula (I). The invention also concerns a process for their preparation and their use in preparing medicaments.
摘要:
The invention concerns 22-ene-25-oxa derivatives of the vitamin D series of general formula (I), in which R?1, R2 and R4¿, independently of each other, may each be a hydrogen atom, an alkanoyl group with 1 to 9 carbon atoms or an aroyl group; each R3 may be a hydrogen atom, a straight-chain or branched-chain alkyl group with 1 to 4 carbon atoms or a trifluoromethyl group, or the two R¿3? groups, together with the tertiary carbon atom to which they are attached, may form a saturated or unsaturated 3-, 4-, 5- or 6-membered carboxyclic or heterocyclic ring; and X is an alkylene group of the formula -(CH2)n- in which n = 1, 2 or 3. The invention also concerns a method of preparing such derivatives and their pharmaceutical use in the treatment of hyperproliferative diseases.
摘要:
Described are the new 25-carboxylic acid derivatives of general formula (I), R?19 and R19a¿ each denoting a hydrogen atom or in common an exocyclic methyl group, R?21 and R21a¿ independently of each other denoting a hydrogen atom, a chlorine or fluorine atom, an alkyl group with 1-4 carbon atoms, in common a methylene group, a 3-7 membered, saturated or unsaturated carbocyclic ring in common with the quaternary 20 carbon atom, Y preferably denoting a derivatized carboxyl residue, with the other substituents as indicated in the description, and a method of producing them. The new compounds possess vitamin D activity as well as anti-proliferative and cell-differentiating action and can be used in the manufacture of medicines.
摘要:
The invention concerns 22-ene-25-oxa derivatives of the vitamin D series of general formula (I), in which R1, R2 and R4, independently of each other, may each be a hydrogen atom, an alkanoyl group with 1 to 9 carbon atoms or an aroyl group; each R3 may be a hydrogen atom, a straight-chain or branched-chain alkyl group with 1 to 4 carbon atoms or a trifluoromethyl group, or the two R3 groups, together with the tertiary carbon atom to which they are attached, may form a saturated or unsaturated 3-, 4-, 5- or 6-membered carboxyclic or heterocyclic ring; and X is an alkylene group of the formula -(CH2)n- in which n = 1, 2 or 3. The invention also concerns a method of preparing such derivatives and their pharmaceutical use in the treatment of hyperproliferative diseases.
摘要:
Use of hydroxyalkane carboxylic acid derivatives of formula general (I), where n stands for a number from 7 to 18, R1 is a hydrogen atom or an acyl group with not more than 16 carbon atoms and R2 and R3 each stand for alkyl groups with not more than 8 carbon atoms or together stand for an alkylene group with 4 to 8 carbon atoms possibly interrupted by an oxygen atom or a nitrogen atom, to manufacture a drug for topical treatment of diseases of the skin and mucous membranes.