摘要:
Discloses is a process for producing α-D-glucopyranose, 3-O-decyl-2-deoxy-6-O-[2-deoxy-3-O-[(3R)-3-methoxydecyl]-6-O-methyl-2-[(11Z)-1-oxo-11-octadecenyl]amino]-4-O-phosphono-β-D-glucopyranosyl]-2-[(1,3-dioxotetradecyl)amino]- or 1-(dihydrogen phosphate) tetrasodium salt which is useful as an active ingredient of a pharmaceutical or an intermediate for the synthesis thereof, which is environment-friendly and excellent in safety, operationality and reproducibility. A process for producing a compound represented by the formula (I) comprising the steps of reacting a compound represented by the formula (VIII) with a palladium catalyst in the presence of a nucleopholic agent and treating the product with a sodium source.
摘要:
The present invention provides a process or the like which is employed for producing chloromethyl phosphate derivatives that are useful for producing water-soluble prodrugs, and which are excellent from the points of view of workability, operativity and energy saving. According to the present invention, there is provided a process for producing a composition containing a compound represented by the following formula (I) and a tertiary amine,
(wherein R1 and R2 are identical or different from each other, and represent a C1-C6 alkyl group, a C2-C6 alkenyl group or a C6-C14 aryl C1-C6 alkyl group which may have a substituent, and R1 and R2 may together form a ring), the proces comprising the step of adding the tertiary amine having a boiling point at 1 atmosphere of 150°C or higher to the compound represented by formula (I).
摘要:
An object of the present invention is to provide a process, or the like, suitable for the industrialization of effective deprotection reaction without using a toxic solvent as well as to provide a process, or the like, for preparing a water-soluble azole prodrug effectively. The present invention provides a process for preparing a salt represented by Formula (I);
(wherein X represents a fluorine atom bonded at position 4 or position 5 of a phenyl group) comprising the steps of: (a) carrying out a deprotection reaction of a compound represented by Formula (II);
(wherein X represents a fluorine atom bonded at position 4 or position 5 of a phenyl group) in the presence of a carbocation scavenger.
摘要:
Disclosed is a commercially advantageous method for producing a pyrazole fused ring derivative (such as a 7-phenylpyrazolo[1,5-a]pyridine derivative). Specifically disclosed is a method for producing a compound (I) represented by the formula (I) below or a salt thereof, which comprises a step A wherein a hydroxy group in a compound (IV) represented by the formula (IV) below is converted into a methoxy group, thereby obtaining a compound (I) or a salt thereof:
摘要:
The present invention provides the compound of formula (I) in a solid form which, as a bulk medicament for pharmaceutical manufacture, is uniform, has a high purity, and is easy to work with. The invention further provides a process for preparing this compound, and pharmaceutical compositions containing the same. A solid form of (8E,12E,14E)-7-{(4-cycloheptylpiperazin-1-yl)carbonyl}oxy-3,6,16,21-tetrahydroxy-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide which has uniform specifications and is easy to work with was developed.