Diketopiperazine

Diketopiperazine

SCHEMBL66638

O=C1CNC(=O)CN1

nearest known ligand 0.00

Full drug profile on Sugi Atlas →

⚠ Novel chemotype — no close known analogue (best Tanimoto < 0.3). Unexplored chemical space relative to ChEMBL.

Similar compounds — the chemically nearest patent molecules

Nearest neighbours by Morgan-fingerprint cosine across the patent-compound collection, with each neighbour's top predicted target and the predicted targets it shares with this molecule.

Compoundsimilaritytop predictedshared targets
SCHEMBL4973748 1.00 CRBN (0.47)
Diketopiperazine SCHEMBL27918928 1.00 CRBN (0.47)
SCHEMBL31296913 1.00 CRBN (0.47)
Diketopiperazine SCHEMBL28146006 0.96
Diketopiperazine SCHEMBL27582980 0.96
Diketopiperazine SCHEMBL28179063 0.96
Diketopiperazine SCHEMBL9015000 0.96 CRBN (0.44)
Diketopiperazine SCHEMBL4370691 0.92 CRBN (0.41)
SCHEMBL775329 0.91
Diketopiperazine SCHEMBL28303441 0.89 CRBN (0.39)

Similarity is cosine over the 2,048-bit Morgan fingerprint (≈ Tanimoto). Identical fingerprints score 1.00.

Patent provenance — the patents this molecule appears in, and who filed them

Appears in 3681 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
US-12600990-B2 MRNA induced expression of bone morphogenic protein and receptor and methods related thereto MULLIN PATENTS, LLC 2026-04-14 US claimed
CN-120192525-A Preparation method of bio-based semi-crystalline semi-aromatic furan polyamide 江苏泰阿生物技术有限公司 2025-06-24 CN claimed
CN-115448950-B Preparation method of L-glufosinate-ammonium intermediate 中国药科大学 2025-05-16 CN claimed
WO-2025081013-A1 JUNCTION OPENER PROTEIN AND NANOPARTICLE COMPOSITIONS AND USES THEREOF HDT BIO CORP. (US) 2025-04-17 WO claimed
WO-2025080945-A1 LIPID NANOPARTICLES CodeBridgeBio Inc. (US) 2025-04-17 WO claimed
WO-2025020846-A1 2,5-DIKETOPIPERAZINE COMPOUNDS AND USE THEREOF 青岛海合生物科技有限公司 2025-01-30 WO claimed
CN-119371407-A 2, 5-Diketopiperazine compound with anti-tumor effect and application thereof in preparing medicament for treating and/or preventing neutropenia 青岛海合生物科技有限公司 2025-01-28 CN claimed
US-20250000959-A1 NUCLEIC ACID MOLECULES, FUSION PROTEINS, AND MRNA VACCINES WITH ENHANCED ANTIGEN PRESENTATION BY RECRUITING LIGANDS WESTGENE BIOPHARMA CO LTD (CN) 2025-01-02 US claimed
CN-116375654-B Method for preparing 2, 5-diketopiperazine from diglycolamine 湖北三峡实验室 2024-12-31 CN claimed
CN-119215016-A Targeting drug-carrying system capable of penetrating blood brain barrier and preparation method and application thereof 上海市第六人民医院 2024-12-31 CN claimed
US-4694081-A FUNGICIDES MONSANTO COMPANY (US) 1987-09-15 US claimed
EP-0102694-B1 METHOD FOR PREPARATION OF N-PHOSPHONOMETHYLGLYCINE STAUFFER CHEMICAL COMPANY (US) 1987-09-09 EP claimed
EP-0216745-A1 Process for the preparation of N-substituted aminomethylphosphonic acids Monsanto Company (US) 1987-04-01 EP claimed
EP-0216746-A2 Process to prepare 2,5-diketopiperazines Monsanto Company (US) 1987-04-01 EP claimed
EP-0102694-A1 Method for preparation of N-phosphonomethylglycine STAUFFER CHEMICAL COMPANY (US) 1984-03-14 EP claimed
EP-0027189-B1 2.5-DIKETOPIPERAZINE-DERIVATIVE, PROCESS FOR ITS PREPARATION AND ITS USE BAYER AG (DE) 1984-02-22 EP claimed
US-4400330-A Method for preparation of N-phosphonomethylglycine STAUFFER CHEMICAL COMPANY (US) 1983-08-23 US claimed
US-4111826-A ACTIVATOR, STABILIZER, NONIONIC SURFACTANT LEVER BROTHERS COMPANY (US) 1978-09-05 US claimed
US-4072712-A FROM ISOCYANATES, CATALYSIS BAYER AKTIENGESELLSCHAFT (DT) 1978-02-07 US claimed
US-3979320-A Liquid crystal composition HODOGAYA CHEMICAL CO., LTD. (JA) 1976-09-07 US claimed