← Back to patent-cliff list

Napazimone

Tier C — Watch / trade

Napazimone

Kt&G Life Sciences
Originator
-
First approval
-
Expiry (public)
No sales data
Peak sales
-
Type

Targets:NAD(Nicotinamide adenine dinucleotide)

Indications (approved):线粒体疾病, 线粒体肌病, 线粒体脑肌症候群

Regional status

US
Phase II
2022-12-13
EU
Phase II
2022-12-13
China
-
Japan
-

Synthetic routes & intermediates1 routes

Originator routes × 1Optimised (non-patent) × 0Process 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 5 · Total yield 47 mg (KL-1333)
KL-13331800405-30-4KL-1333-0015959-56-8KL-1333-00297-72-3KL-1333-0031624260-34-9KL-1333-0041800406-29-4KL-1333-0051800406-30-7KL-1333-0061800406-31-8API · Napazimone
CodeCAS No.Intermediate
KL-13331800405-30-42-isopropyl-3H-naphtho[1,2-d]imidazole-4,5-dione
KL-1333-0015959-56-84-aminonaphthalen-1-ol hydrochloride
KL-1333-00297-72-3Availableisobutyric anhydride
KL-1333-0031624260-34-94-isobutyramidonaphthalen-1-yl isobutyrate
KL-1333-0041800406-29-44-isobutyramido-3-nitronaphthalen-1-yl isobutyrate
KL-1333-0051800406-30-7N-(2-amino-4-hydroxynaphthalen-1-yl)isobutyramide
KL-1333-0061800406-31-82-isopropyl-3H-naphtho[1,2-d]imidazol-5-ol

Frequently asked questions

What are the approved indications of Napazimone?

Approved indications include: 线粒体疾病, 线粒体肌病, 线粒体脑肌症候群.

When does the Napazimone patent expire?

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

How many synthesis routes are recorded for Napazimone?

1 synthesis routes are recorded; the shortest is 5 steps with 47 mg (KL-1333) total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Napazimone intermediates?

1 intermediate CAS of Napazimone are available through the Unibest supply network — see the route tables on this page and request a quote per CAS.

How do I get a quote for Napazimone 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) · 2026-10-21