Unibest
← Back to patent-cliff list

Zolmitriptan

Tier C — Watch / trade

Zolmitriptan

AstraZeneca
Originator
1997
First approval
-
Expiry (public)
$0.45B ▲
Peak sales
Small molecule
Type

Targets:5-HT1B, 5-HT1A, 5-HT1D

Brand:Zolmitriptan RapidFilm, Zomigon, Flezol, Zomig, AscoTop

Indications (approved):Migraine

Regional status

US
Withdrawn
EU
Approved
1997-03-01
China
Approved
1999-03-12
Japan
Approved
2001-06-20

Synthetic routes & intermediates4 routes

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

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 7 · Total yield 0.10 g
ZOLM-001949-99-5ZOLM-00281677-60-3ZOLM-00389288-22-2ZOLM-004139264-55-4ZOLM-005152305-23-2ZOLM-006187975-62-8ZOLM-0076139-83-9ZOLM-008139264-15-6API · Zolmitriptan
CodeCAS No.Intermediate
ZOLM-001949-99-5(S)-2-amino-3-(4-nitrophenyl)propanoic acid
ZOLM-00281677-60-3methyl (S)-2-amino-3-(4-nitrophenyl)propanoate
ZOLM-00389288-22-2(S)-2-amino-3-(4-nitrophenyl)propan-1-ol
ZOLM-004139264-55-4(S)-4-(4-nitrobenzyl)oxazolidin-2-one
ZOLM-005152305-23-2(S)-4-(4-aminobenzyl)oxazolidin-2-one
ZOLM-006187975-62-8(S)-4-(4-hydrazinylbenzyl)oxazolidin-2-one
ZOLM-0076139-83-94-chloro-1,1-diethoxybutane
ZOLM-008139264-15-6(S)-4-((3-(2-aminoethyl)-1H-indol-5-yl)methyl)oxazolidin-2-one
OptimisedRoute 4Steps 7 · Total yield 95.00 mg
ZOLM-0161116-77-4ZOLM-017106-40-1ZOLM-018622-88-8ZOLM-01917274-65-6ZOLM-02035356-70-8ZOLM-0211241387-60-9ZOLM-0221241387-61-0ZOLM-0231241387-62-1ZOLM-024—API · Zolmitriptan
CodeCAS No.Intermediate
ZOLM-0161116-77-44,4-diethoxy-N,N-dimethylbutan-1-amine
ZOLM-017106-40-1Available4-bromoaniline
ZOLM-018622-88-8(4-bromophenyl)hydrazine
ZOLM-01917274-65-62-(5-bromo-1H-indol-3-yl)-N,N-dimethylethan-1-amine
ZOLM-02035356-70-8methyl 2-acetamidoacrylate
ZOLM-0211241387-60-9methyl (Z)-2-acetamido-3-(3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)acrylate
ZOLM-0221241387-61-0methyl (S)-2-acetamido-3-(3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)propanoate
ZOLM-0231241387-62-1(S)-N-(1-(3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)-3-hydroxypropan-2-yl)acetamide
ZOLM-024-(S)-2-amino-3-(3-(2-aminoethyl)-1H-indol-5-yl)propan-1-ol hydrochloride
ProcessRoute 2Steps 6 · Total yield 1.75 kg
ZOLM-005152305-23-2ZOLM-009—ZOLM-01055747-45-0ZOLM-011868622-21-3ZOLM-012868622-22-4ZOLM-013191864-24-1ZOLM-014659738-69-9API · Zolmitriptan
CodeCAS No.Intermediate
ZOLM-005152305-23-2(S)-4-(4-aminobenzyl)oxazolidin-2-one
ZOLM-009-(S,E)-4-(4-(chlorodiazenyl)benzyl)oxazolidin-2-one
ZOLM-01055747-45-0ethyl 2-acetyl-5-(1,3-dioxoisoindolin-2-yl)pentanoate
ZOLM-011868622-21-3ethyl (S)-3-(2-(1,3-dioxoisoindolin-2-yl)ethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-2-carboxylate
ZOLM-012868622-22-4ethyl (S)-3-(2-aminoethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-2-carboxylate hydrochloride
ZOLM-013191864-24-1ethyl (S)-3-(2-aminoethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-2-carboxylate hydrochloride
ZOLM-014659738-69-9ethyl (S)-3-(2-(dimethylamino)ethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-2-carboxylate
ProcessRoute 3Steps 2 · Total yield 8.20 kg
ZOLM-005152305-23-2ZOLM-015139264-57-6ZOLM-0161116-77-4API · Zolmitriptan
CodeCAS No.Intermediate
ZOLM-005152305-23-2(S)-4-(4-aminobenzyl)oxazolidin-2-one
ZOLM-015139264-57-6(S)-3-(2-(dimethylamino)ethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-2-carboxylic acid
ZOLM-0161116-77-44,4-diethoxy-N,N-dimethylbutan-1-amine

Frequently asked questions

What are the approved indications of Zolmitriptan?

Approved indications include: Migraine.

When does the Zolmitriptan patent expire?

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

How many synthesis routes are recorded for Zolmitriptan?

4 synthesis routes are recorded; the shortest is 2 steps with 8.20 kg total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Zolmitriptan intermediates?

1 intermediate CAS of Zolmitriptan 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 Zolmitriptan 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) · 2026-09-29