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Siremadlin

Tier C — Watch / trade

Siremadlin

Novartis
Originator
-
First approval
-
Expiry (public)
No sales data
Peak sales
Small molecule
Type

Targets:MDM2

Indications (approved):Sarcoma, Haematological malignancy, Hepatic function decline, Acute myeloid leukaemia, Colorectal cancer, Metastatic cancer, Myelofibrosis, Myelodysplastic syndrome

Regional status

US
Phase I
2014-07-07
EU
Phase II
2019-09-26
China
Discontinued
2022-04-22
Japan
No progress
2014-07-07

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 11 · Total yield /
HDM-201—HDM-201-001105-56-6HDM-201-0021188-33-6HDM-201-00357338-21-3HDM-201-0041260793-84-7HDM-201-0051448869-67-7HDM-201-006104-88-1HDM-201-0071448869-68-8HDM-201-0081441769-24-9HDM-201-0091448870-71-0HDM-201-0101448870-70-9HDM-201-0111448870-69-6HDM-201-012—HDM-201-0131448867-40-0HDM-201-01421427-61-2HDM-201-015170661-48-0API · Siremadlin
CodeCAS No.Intermediate
HDM-201-(S)-5-(5-chloro-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)-6-(4-chlorophenyl)-2-(2,4-dimethoxypyrimidin-5-yl)-1-isopropyl-5,6-dihydropyrrolo[3,4-d]imidazol-4(1H)-one
HDM-201-001105-56-6Availableethyl 2-cyanoacetate
HDM-201-0021188-33-61,1-diethoxy-N,N-dimethylmethanamine
HDM-201-00357338-21-3ethyl (E)-2-cyano-3-(dimethylamino)acrylate
HDM-201-0041260793-84-7ethyl 1-isopropyl-1H-imidazole-4-carboxylate
HDM-201-0051448869-67-7ethyl 2-bromo-1-isopropyl-1H-imidazole-4-carboxylate
HDM-201-006104-88-14-chlorobenzaldehyde
HDM-201-0071448869-68-8ethyl 2-bromo-5-((4-chlorophenyl)(hydroxy)methyl)-1-isopropyl-1H-imidazole-4-carboxylate
HDM-201-0081441769-24-93-amino-5-chloro-1-methylpyridin-2(1H)-one
HDM-201-0091448870-71-0ethyl 2-bromo-5-(((5-chloro-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)amino)(4-chlorophenyl)methyl)-1-isopropyl-1H-imidazole-4-carboxylate
HDM-201-0101448870-70-92-bromo-5-(((5-chloro-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)amino)(4-chlorophenyl)methyl)-1-isopropyl-1H-imidazole-4-carboxylic acid
HDM-201-0111448870-69-62-bromo-5-(5-chloro-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)-6-(4-chlorophenyl)-1-isopropyl-5,6-dihydropyrrolo[3,4-d]imidazol-4(1H)-one
HDM-201-012-(2,4-dimethoxypyrimidin-5-yl)boronic acid
HDM-201-0131448867-40-05-(5-chloro-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)-6-(4-chlorophenyl)-2-(2,4-dimethoxypyrimidin-5-yl)-1-isopropyl-5,6-dihydropyrrolo[3,4-d]imidazol-4(1H)-one
HDM-201-01421427-61-25-chloro-3-nitropyridin-2-ol
HDM-201-015170661-48-05-chloro-1-methyl-3-nitropyridin-2(1H)-one

Frequently asked questions

What are the approved indications of Siremadlin?

Approved indications include: Sarcoma, Haematological malignancy, Hepatic function decline, Acute myeloid leukaemia, Colorectal cancer, Metastatic cancer, Myelofibrosis, Myelodysplastic syndrome.

When does the Siremadlin patent expire?

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

How many synthesis routes are recorded for Siremadlin?

1 synthesis routes are recorded; the shortest is 11 steps with / total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Siremadlin intermediates?

1 intermediate CAS of Siremadlin 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 Siremadlin 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) · 2026-10-07