申请人:CTXT PTY LIMITED
公开号:US20210214333A1
公开(公告)日:2021-07-15
A compound of formula (I), wherein R
1
is selected from (i) H, (ii) C
3-6
cycloalkyl, (iii) C
3-7
heterocyclyl optionally substituted with a group selected from: methyl and ester, and (iv) linear or branched C
1-4
alkyl optionally substituted with a group selected from: alkoxy, amino, amido, acylamido, acyloxy, alkyl carboxyl ester, alkyl carbamoyl, alkyl carbamoyl ester, phenyl, phosphonate ester, C
3-7
heterocyclyl optionally substituted with a group selected from methyl and oxo, and a naturally occurring amino acid, optionally N-substituted with a group selected from methyl, acetyl and boc; A
1
is CR
A
or N; A
2
is CR
B
or N; A
3
is CR
C
or N; A
4
is CR
D
or N; where no more than two of A
1
, A
2
, A
3
, and A
4
may be N; one or two of R
A
, R
B
, R
C
, and R
D
, (if present) are selected from H, F, Cl, Br, Me, CF
3
, cyclopropyl, cyano, OMe, OEt, CH
2
OH, CH
2
OMe and CH
2
NMe
2
; the remainder of R
A
, R
B
, R
C
, and R
D
, (if present) are H; Y is O, NH or CH
2
; R
Y
is selected from: (RYA) and (RYB).