Mission Therapeutics Limited

Missions Therapeutics Limited

Mark Kemp

Martin Stockley

Alison Jones

Andrew Madin

Gavin Alistair Whitlock

Karl Richard Gibson

Michael David Woodrow

Keith Allan Menear

Gavin Whitlock

Karl Gibson

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase L1 (UCHL1). The invention further relates to the use of DUB inhibitors in the treatment of cancer and other indications. Compounds of the invention include compounds having the formula (I) or a pharmaceutically acceptable salt thereof, wherein R1 to R8 are as defined herein.

Compounds

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 30 or Ubiquitin Specific Peptidase 30 (USP30). The invention further relates to the use of DUB inhibitors in the treatment of conditions involving mitochondrial dysfunction and cancer. Compounds of the Invention include compounds having the formula (I): (I) or a pharmaceutically acceptable salt thereof, wherein R, R, R, R, R, R, R, R, X, L and A are as defined herein.

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 30 or ubiquitin specific peptidase 30 (USP30). The novel compounds have formula (I): (Formula (I)) or are pharmaceutically acceptable salts thereof, wherein: R, R, R, R, Rand Reach independently represent hydrogen, optionally substituted C-Calkyl or optionally substituted C-Ccycloalkyl, or Rand Rtogether form an optionally substituted C-Ccycloalkyl ring, or Rand Rtogether form an optionally substituted C-Ccycloalkyl ring; Rrepresents hydrogen or optionally substituted C-Calkyl; A represents an optionally further substituted 5 to 10 membered monocyclic or bicyclic heteroaryl, heterocyclyl or aryl ring; L represents a covalent bond or linker; B represents an optionally substituted 3 to 10 membered monocyclic or bicyclic heterocyclyl, heteroaryl, cycloalkyl or aryl ring; and when -A-L-B is at position x attachment to A is via a carbon ring atom of A, and either: A cannot be triazolopyridazinyl, triazolopyridinyl, imidazotriazinyl, imidazopyrazinyl or pyrrolopyrimidinyl; or B cannot be substituted with phenoxyl; or B cannot be cyclopentyl when L is an oxygen atom.

1-cyano-pyrrolidine derivatives as dub inhibitors

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase L1 (UCHL1). The invention further relates to the use of DUB inhibitors in the treatment of cancer and other indications. Compounds of the invention include compounds having the formula (I) or a pharmaceutically acceptable salt thereof, wherein R1 to R8 are as defined herein. 

The present invention relates to a class of sulfonamide-substituted cyanopyrrolidines of Formula (Ia) and (Ib) with activity as inhibitors of deubiquitilating enzymes, in particular, ubiquitin C-terminal hydrolase L1 (UCHL1) and ubiquitin C-terminal hydrolase 30 or ubiquitin specific peptidase 30 (USP30), having utility in a variety of therapeutic areas including cancer and conditions involving mitochondrial dysfunction: (Formulae (Ia), (Ib)). 

Sulfonamide-substituted cyanopyrrolidines with activity as DUB inhibitors

The present invention relates to novel compounds and method for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 30 (USP30). The invention further relates to the use of DUB inhibitors in the treatment of conditions involving mitochondrial dysfunction and cancer. Compounds of the invention include compounds having the formula (II) or a pharmaceutically acceptable salt thereof, wherein R, R, R, R, R, R, R, R, Z, Y and m are as defined herein. 

1-cyano-pyrrolidine compounds as USP30 inhibitors

The present invention relates to cyano-substituted-heterocycles of Formula (I) with activity as inhibitors of deubiquitilating enzymes, in particular, ubiquitin C-terminal hydrolase 30 or ubiquitin specific peptidase 30 (USP30), having utility in a variety of therapeutic areas including cancer and conditions involving mitochondrial dysfunction. 

Cyano-substituted heterocycles with activity as inhibitors of USP30

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 30 or ubiquitin specific peptidase 30 (USP30). The novel compounds have formula (I): (Formula (I)) or are pharmaceutically acceptable salts thereof, wherein: R, R, R, R, Rand Reach independently represent hydrogen, optionally substituted C-Calkyl or optionally substituted C-Ccycloalkyl, or Rand Rtogether form an optionally substituted C-Ccycloalkyl ring, or Rand Rtogether form an optionally substituted C-Ccycloalkyl ring; Rrepresents hydrogen or optionally substituted C-Calkyl; A represents an optionally further substituted 5 to 10 membered monocyclic or bicyclic heteroaryl, heterocyclyl or aryl ring; L represents a covalent bond or linker; B represents an optionally substituted 3 to 10 membered monocyclic or bicyclic heterocyclyl, heteroaryl, cycloalkyl or aryl ring; and when -A-L-B is at position x attachment to A is via a carbon ring atom of A, and either: A cannot be triazolopyridazinyl, triazolopyridinyl, imidazotriazinyl, imidazopyrazinyl or pyrrolopyrimidinyl; or B cannot be substituted with phenoxyl; or B cannot be cyclopentyl when L is an oxygen atom. 

1-cyano-pyrrolidine derivatives as DUB inhibitors

The present invention relates to novel compounds and method for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase L1 (UCHL1) and ubiquitin C-terminal hydrolase 30 or ubiquitin specific peptidase 30 (USP30). The invention further relates to the use of DUB inhibitors in the treatment of cancer and conditions involving mitochondrial dysfunction. Compounds of the invention include compounds having the formula (I) or a pharmaceutically acceptable salt thereof, wherein R, R, R, R, R, R, R, Rand Rare as defined herein.

Cyanopyrrolidines as dub inhibitors for the treatment of cancer

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs) and/or desumoylating enzymes. In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 7 or ubiquitin specific peptidase 7 (USP7). The invention further relates to the use of DUB or desumoylating inhibitors in the treatment of cancer. Described herein are compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R, R, Rand Reach independently represent hydrogen, optionally substituted C-Calkyl or Rand Rtogether form an optionally substituted C-Ccycloalkyl ring, or Rand Rtogether form an optionally substituted C-Ccycloalkyl ring; A is a 5 membered nitrogen-containing aromatic ring and is substituted with at least one optionally substituted 5 to 10 membered monocyclic or bicyclic heteroaryl or aryl ring attached through an optional linker. 

4,6 dihydropyrrolo [3,4-C] pyrazole-5 (1H)-carbonitrile derivates for treating cancer

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of Cezanne 1. The invention further relates to the use of DUB inhibitors in the treatment of cancer.

Spiro-condensed pyrrolidine derivatives as deubiquitylating enzymes (DUB) inhibitors

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 30 or Ubiquitin Specific Peptidase 30 (USP30). The invention further relates to the use of DUB inhibitors in the treatment of conditions involving mitochondrial dysfunction and cancer. Compounds of the invention include compounds having the formula (I): (I) or a pharmaceutically acceptable salt thereof, wherein R, R, R, R, R, R, R, R, X, L and A are as defined herein. 

The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylatin-enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 30 or Ubiquitin Specific Peptidase 30 (USP30). The invention further relates to the use of DUB inhibitors in the treatment of conditions involving mitochondrial dysfunction and cancer. Compounds of the invention include compounds having the formula (I) (I) or a pharmaceutically acceptable salt thereof, wherein R, R, R, m, L and X are as defined herein. 

1-cyano-pyrrolidine derivatives as inhibitors of USP30

The present invention relates to a class of substituted-cyanopyrrolidines of Formula (I) with activity as inhibitors of deubiquitilating enzymes, in particular, ubiquitin C-terminal hydrolase 30 or ubiquitin specific peptidase 30 (USP30), having utility in a variety of therapeutic areas including cancer and conditions involving mitochondrial dysfunction. 

Cyanopyrrolidine derivatives with activity as inhibitors of USP30

The present invention relates to novel compounds and method for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 30 (USP30). The invention further relates to the use of DUB inhibitors in the treatment of conditions involving mitochondrial dysfunction and cancer. Compounds of the invention include compounds having the formula (II) or a pharmaceutically acceptable sat thereof, wherein R, R, R, R, R, R, R, R, R, Z, Y and m are as defined herein. 

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Cambridge, United Kingdom

Mark Kemp