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克拉夫定

Tier C — Watch / trade

Clevudine

Bukwang Pharmaceutical Co Ltd
Originator
2006
First approval
-
Expiry (public)
No sales data
Peak sales
化学药
Type

TargetsHBV pol

BrandRevovir、Levovir

Indications (approved)乙型肝炎

Regional status

US
无进展
2002-08-01
EU
无进展
2002-08-01
China
-
Japan
-

Synthetic routes & intermediates3 routes

Originator routes × 1Optimised (non-patent) × 2Process routes × 0

Routes are ordered originator first, then optimised / process (non-patent) routes; each lists steps, overall yield and the intermediate table (code / CAS / name) — ready for supplier sourcing and RFQ. Rendered by this site from structured data; no third-party route graphics used.

OriginatorRoute 1Steps 8 · Total yield 30 mg
Synthetic routes & intermediates Route 1
CodeCAS No.Intermediate
CLEVU-00141546-20-7(3S,4R,5S)-5-(hydroxymethyl)tetrahydrofuran-2,3,4-triol
CLEVU-002171866-28-7(2S,3S,4S)-2-((benzoyloxy)methyl)-5-methoxytetrahydrofuran-3,4-diyl dibenzoate
CLEVU-0033080-30-6(2R,3S,4S,5S)-2-acetoxy-5-((benzoyloxy)methyl)tetrahydrofuran-3,4-diyl dibenzoate
CLEVU-004171866-30-1(2S,3S,4R,5S)-5-((benzoyloxy)methyl)-3-hydroxytetrahydrofuran-2,4-diyl dibenzoate
CLEVU-005171720-99-3(2S,3S,4S,5S)-3-(((1H-imidazol-1-yl)sulfonyl)oxy)-5-((benzoyloxy)methyl)tetrahydrofuran-2,4-diyl dibenzoate
CLEVU-006171721-00-9(2S,3R,4S,5S)-5-((benzoyloxy)methyl)-3-fluorotetrahydrofuran-2,4-diyl dibenzoate
CLEVU-007171866-29-8((2S,3S,4R,5S)-3-(benzoyloxy)-5-bromo-4-fluorotetrahydrofuran-2-yl)methyl benzoate
CLEVU-0087288-28-05-methyl-2,4-bis((trimethylsilyl)oxy)pyrimidine
CLEVU-009171721-03-2((2S,3S,4R,5S)-3-(benzoyloxy)-4-fluoro-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl benzoate
OptimisedRoute 2Steps 10 · Total yield 320 mg
Synthetic routes & intermediates Route 2
CodeCAS No.Intermediate
CLEVU-007171866-29-8((2S,3S,4R,5S)-3-(benzoyloxy)-5-bromo-4-fluorotetrahydrofuran-2-yl)methyl benzoate
CLEVU-009171721-03-2((2S,3S,4R,5S)-3-(benzoyloxy)-4-fluoro-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl benzoate
CLEVU-01087-72-9(3R,4S,5S)-tetrahydro-2H-pyran-2,3,4,5-tetraol
CLEVU-011123163-97-3(3R,4S,5S)-tetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate
CLEVU-01214227-90-8(2R,3R,4S,5S)-2-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate
CLEVU-0133945-18-4(3S,4R)-3,4-dihydro-2H-pyran-3,4-diyl diacetate
CLEVU-014442514-54-7(3S,4S,5R)-5-fluoro-6-hydroxytetrahydro-2H-pyran-3,4-diyl diacetate
CLEVU-015-(3R,4S,5S)-3-fluorotetrahydro-2H-pyran-2,4,5-triol
CLEVU-016442514-57-0(2S,3S,4R)-4-fluoro-2-(hydroxymethyl)-5-methoxytetrahydrofuran-3-ol
CLEVU-017442514-58-1((2S,3S,4R,5R)-3-(benzoyloxy)-4-fluoro-5-methoxytetrahydrofuran-2-yl)methyl benzoate
CLEVU-0187288-28-05-methyl-2,4-bis((trimethylsilyl)oxy)pyrimidine
OptimisedRoute 3Steps 5 · Total yield 4.9 g
Synthetic routes & intermediates Route 3
CodeCAS No.Intermediate
CLEVU-004171866-30-1(2S,3S,4R,5S)-5-((benzoyloxy)methyl)-3-hydroxytetrahydrofuran-2,4-diyl dibenzoate
CLEVU-005171720-99-3(2S,3S,4S,5S)-3-(((1H-imidazol-1-yl)sulfonyl)oxy)-5-((benzoyloxy)methyl)tetrahydrofuran-2,4-diyl dibenzoate
CLEVU-006171721-00-9(2S,3R,4S,5S)-5-((benzoyloxy)methyl)-3-fluorotetrahydrofuran-2,4-diyl dibenzoate
CLEVU-007171866-29-8((2S,3S,4R,5S)-3-(benzoyloxy)-5-bromo-4-fluorotetrahydrofuran-2-yl)methyl benzoate
CLEVU-009171721-03-2((2S,3S,4R,5S)-3-(benzoyloxy)-4-fluoro-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl benzoate
CLEVU-01965-71-45-methylpyrimidine-2,4(1H,3H)-dione

Frequently asked questions

What are the approved indications of Clevudine?

Approved indications include: 乙型肝炎.

When does the Clevudine patent expire?

No public expiry year is available for Clevudine yet; this page updates once verified.

How many synthesis routes are recorded for Clevudine?

3 synthesis routes are recorded; the shortest is 5 steps with 4.9 g total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Clevudine intermediates?

All intermediates in Clevudine routes have CAS profiles — you can submit an RFQ per CAS and it enters the Unibest matching pool.

How do I get a quote for Clevudine intermediates?

Open the CAS profile of the target intermediate from this page, or submit an RFQ directly — the CAS enters the matching flow automatically and the supply network responds with quotes.

Source: cross-verified data (structured fields only) · 2026-09-24