SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-ß-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
US-2016362389-A1 · Dec 15, 2016 · US
US9884882B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9884882-B2 |
| Application number | US-201615238232-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 16, 2016 |
| Priority date | Feb 18, 2014 |
| Publication date | Feb 6, 2018 |
| Grant date | Feb 6, 2018 |
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There is provided a production method of a compound represented by the following formula (II) through a step of reacting a compound represented by the following General Formula (I) with a sulfur compound. In General Formulas (I) and (II), R 1 represents a hydrogen atom or an acyl group, R 2 represents a hydrogen atom, a fluorine atom, an acyloxy group, an arylmethyloxy group, an allyloxy group, an arylmethyloxycarbonyloxy group, or an allyloxycarbonyloxy group, R 3 represents a hydrogen atom or an acyloxy group, R 5 represents an alkyl group or an aryl group, and X represents a leaving group. Here, in a case where R 2 is a fluorine atom, an acyloxy group, an arylmethyloxy group, an allyloxy group, an arylmethyloxycarbonyloxy group, or an allyloxycarbonyloxy group, R 3 is an acyloxy group.
Opening claim text (preview).
What is claimed is: 1. A production method of a compound represented by the following General Formula (II) through a step of reacting a compound represented by the following General Formula (I) with a sulfur compound, via the compound represented by General Formula (III), A represents SH or S − , wherein, in General Formulas (I) (II), and (III), R 2 represents a hydrogen atom, a fluorine atom, an acyloxy group having 1 to 20 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, an arylmethyloxy group having 7 to 20 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, an allyloxy group, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, an arylmethyloxycarbonyloxy group having 8 to 21 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, or an allyloxycarbonyloxy group, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, R 3 represents a hydrogen atom or an acyloxy group having 1 to 20 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, R 5 represents an aryl group having 6 to 19 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, and X represents a halogen atom, an alkylsulfonyloxy group having 1 to 10 carbon atoms, or an arylsulfonyloxy group having 6 to 16 carbon atoms; wherein, if R 2 is the fluorine atom, the acyloxy group, the arylmethyloxy group, the allyloxy group, the arylmethyloxycarbonyloxy group, or the allyloxycarbonyloxy group, R 3 is the acyloxy group; and wherein the sulfur compound is hydrogen sulfide or a salt thereof. 2. The production method according to claim 1 , wherein the compound represented by General Formula (II) is any one of the following General Formulas (II-1) to (II-14), wherein, in General Formulas (II-1) to (II-14), R 1 is a hydrogen atom and R 5 has the same meaning R 5 in General Formula (II), each of R 2a and R 3a independently represents an alkyl group having 1 to 20 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group or an aryl group having 6 to 19 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, R 2b represents —CH 2 —Ar, an allyl group, —C(═O)OCH 2 —Ar, or an allyloxycarbonyl group wherein Ar represents an aryl group having 6 to 19 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, and, the direct bond represented by a dashed line having a constant thickness which is bonded to a thiolane ring is positioned at any one of an α-position or a β-position. 3. The production method according to claim 1 , wherein R 5 is an aryl group, and R 3 is an arylcarbonyloxy group. 4. The production method according to claim 1 , wherein R 5 is a phenyl group, a 4-methylphenyl group, a 4-phenylphenyl group, or a 2-naphthyl group, and R 3 is a phenylcarbonyloxy group, a 4-methylphenylcarbonyloxy group, a 4-phenylphenylcarbonyloxy group, or a 2-naphthylcarbonyloxy group. 5. The production method according to claim 1 , wherein, after a compound represented by the following General Formula (IIA) is synthesized in the step of reacting the compound represented by General Formula (I) with a sulfur compound, a compound represented by the following General Formula (IIB) is synthesized in a step of acylating the compound represented by General Formula (IIA), wherein, in General Formulas (IIA) and (IIB), R 2 , R 3 , and R 5 have the same meaning as R 2 , R 3 , and R 5 in General Formula (II), respectively, and R 1a represents an acyl group having 1 to 20 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group. 6. The production method according to claim 1 , wherein R 1 is an acetyl group or an arylcarbonyl group. 7. The production method according to claim 1 , wherein the sulfur compound is MSH or M 2 S in which M is an alkali metal. 8. A compound represented by any one of the following General Formulas (II-4) to (II-7), (II-13) and (II-14), wherein, in General Formulas (II-4) to (II-7), (II-13) and (II-14), R 1 represents a hydrogen atom or an acyl group having 1 to 20 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, and R 3a represents an aryl group having 6 to 19 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, and R 5 represents an aryl group having 6 to 19 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, R 2b represents —CH 2 —Ar, an allyl group, —C(═O)OCH 2 —Ar, or an allyloxycarbonyl group, wherein Ar represents an aryl group having 6 to 19 carbon atoms, which may have a substituent selected from a halogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylthio group, and an arylthio group, and the direct bond represented by a dashed line having a constant thickness which is bonded to a thiolane ring is positioned on any one of an α-side or a β-side. 9. The compound according to claim 8 , wherein R 1 is a hydrogen atom, an acetyl group, or an arylcarbonyl group, and each of R 3a and R 5 is independently an aryl group. 10. The compound according to claim 8 , wherein each of R 3a and R 5 is independently a phenyl group, a 4-methylphenyl group, a 4-phenylphenyl group, or a 2-naphthyl group. 11. A compound represented by any one of the following General Formula (II-6B)(II-13′), and (II-14′),
attached to an oxygen atom of the saccharide radical · CPC title
Oxygen atoms · CPC title
Acyclic radicals, substituted by carbocyclic rings · CPC title
having the esterifying carboxyl radicals directly attached to carbocyclic rings · CPC title
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