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Adefovir Dipivoxil

Tier C — Watch / trade

Adefovir Dipivoxil

Gilead Sciences Inc
Originator
2002
First approval
-
Expiry (public)
$0.35B ▲
Peak sales
Small molecule
Type

Targets:RT, HBV pol

Brand:Preveon (former TM), YouHeDing, Hepsera

Indications (approved):Hepatitis B

Regional status

US
Withdrawn
EU
Withdrawn
China
Approved
2005-03-23
Japan
Approved
2004-10-22

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 1 · Total yield 0.59 g
ADEF-001106941-25-7ADEF-00218997-19-8API · Adefovir Dipivoxil
CodeCAS No.Intermediate
ADEF-001106941-25-7((2-(6-amino-9H-purin-9-yl)ethoxy)methyl)phosphonic acid
ADEF-00218997-19-8chloromethyl pivalate
OptimisedRoute 2Steps 4 · Total yield /
ADEF-001106941-25-7ADEF-00218997-19-8ADEF-00373-24-5ADEF-00496-49-1ADEF-005707-99-3ADEF-00631618-90-3ADEF-007116384-53-3API · Adefovir Dipivoxil
CodeCAS No.Intermediate
ADEF-001106941-25-7((2-(6-amino-9H-purin-9-yl)ethoxy)methyl)phosphonic acid
ADEF-00218997-19-8chloromethyl pivalate
ADEF-00373-24-59H-purin-6-amine
ADEF-00496-49-11,3-dioxolan-2-one
ADEF-005707-99-32-(6-amino-9H-purin-9-yl)ethan-1-ol
ADEF-00631618-90-3(diethoxyphosphoryl)methyl 4-methylbenzenesulfonate
ADEF-007116384-53-3diethyl ((2-(6-amino-9H-purin-9-yl)ethoxy)methyl)phosphonate
OptimisedRoute 3Steps 2 · Total yield /
ADEF-001106941-25-7ADEF-00218997-19-8ADEF-00373-24-5ADEF-008116384-56-6API · Adefovir Dipivoxil
CodeCAS No.Intermediate
ADEF-001106941-25-7((2-(6-amino-9H-purin-9-yl)ethoxy)methyl)phosphonic acid
ADEF-00218997-19-8chloromethyl pivalate
ADEF-00373-24-59H-purin-6-amine
ADEF-008116384-56-6diethyl ((2-chloroethoxy)methyl)phosphonate

Frequently asked questions

What are the approved indications of Adefovir Dipivoxil?

Approved indications include: Hepatitis B.

When does the Adefovir Dipivoxil patent expire?

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

How many synthesis routes are recorded for Adefovir Dipivoxil?

3 synthesis routes are recorded; the shortest is 1 steps with 0.59 g total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Adefovir Dipivoxil intermediates?

All intermediates in Adefovir Dipivoxil 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 Adefovir Dipivoxil 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) · 2026-09-27