Triterpenoids and compositions containing the same

1. A compound having the sdstructure of Formula II:

wherein,

at least one of X 1 and X 2 is OR a , NR a R b , or SR a , and the other of X 1 and X 2 is hydrogen, OR a , NR a R b , or SR a , wherein

R a is a hydrogen, cyano, —CF 3 , nitro, amino, or substituted or unsubstituted heteroaryl group;

R b is hydrogen, hydroxyl, alkyl, aryl, aralkyl, acyl, alkoxy, aryloxy, acyloxy, alkylamino, arylamino, amido, or a substituted version of any of these groups;

provided that R a is absent when the atom to which it is bound is part of a double bond, further provided that when R a is absent the atom to which it is bound is part of a double bond;

Y is CH 2 or CH 2 —CH 2 ;

Z is a covalent bond, —C(═O)—, alkanediyl, alkenediyl, alkynediyl, or a substituted version of any of these groups;

the dashed bonds can be independently present or absent;

R 1 , R 2 , R 3 and R 4 are each independently a hydrogen, hydroxyl, alkyl, substituted alkyl, alkoxy or substituted alkoxy group;

at least one of R 5 , R 6 , R 8 , R 9 or R 10 is independently —OMs, —CH 2 OMs, —C(═O)C≡CR a , —C≡CCO 2 R a , —C≡CSO 2 R a , —C≡CC(═O)R a or —SO 2 R a , or

R 5 and R 6 , or R 9 and R 10 are together ═CR c R d , wherein

R c is hydrogen or alkylthiyl, and

R d is hydrogen, halo, alkylthiyl, or substituted or unsubstituted alkylsulfonyl or alkylsulfonyl-O—;

the remainder of R 5 , R 6 , R 8 , R 9 and R 10 are independently hydrogen, hydroxyl, halo, cyano, ═O, —C≡CR a , —CO 2 R a , —COR a , alkyl, alkenyl, alkynyl, aryl, aralkyl, heteroaryl, heteroaralkyl, acyl, alkoxy, aryloxy, acyloxy, alkylamino, arylamino, nitro, amino, amido, —C(O)R e or a substituted version of any of these groups, wherein

R e is hydrogen, hydroxy, halo, amino, hydroxyamino, azido or mercapto; or C 1 -C 15 -alkyl, C 2 -C 15 -alkenyl, C 2 -C 15 -alkynyl, C 6 -C 15 -aryl, C 7 -C 15 -aralkyl, C 1 -C 15 -heteroaryl, C 2 -C 15 -heteroaralkyl, C 1 -C 15 -acyl, C 1 -C 15 -alkoxy, C 2 -C 15 -alkenyloxy, C 2 -C 15 -alkynyloxy, C 6 -C 15 -aryloxy, C 7 -C 15 -aralkyloxy, C 1 -C 15 -heteroaryloxy, C 2 -C 15 -heteroaralkyloxy, C 1 -C 15 -acyloxy, C 1 -C 15 -alkylamino, C 2 -C 15 -dialkylamino, C 1 -C 15 -alkoxyamino, C 2 -C 15 -alkenylamino, C 2 -C 15 -alkynylamino, C 6 -C 15 -arylamino, C 7 -C 15 -aralkylamino, C 1 -C 15 -heteroarylamino, C 2 -C 15 -heteroaralkylamino, C 1 -C 15 -alkylsulfonylamino, C 1 -C 15 -amido, C 1 -C 15 -alkylsilyloxy, or substituted versions of any of these groups;

R 11 and R 12 are each independently hydrogen, hydroxyl, halo, alkyl, alkenyl, alkynyl, aryl, aralkyl, heteroaryl, heteroaralkyl, acyl, alkoxy, aryloxy, aralkoxy, heteroaryloxy, hetero-aralkoxy, acyloxy, alkylamino, dialkylamino, arylamino, aralkylamino, heteroarylamino, heteroaralkylamino, amido, or a substituted version of any of these groups, or

R 11 and R 12 are taken together and are alkanediyl, alkenediyl, arenediyl, alkoxydiyl, alkenyloxydiyl, alkylaminodiyl, alkenylaminodiyl, or alkenylaminooxydiyl;

R 13 is hydrogen, hydroxy or oxo;

R 14 is hydrogen or hydroxyl; and

R 15 is

a hydrogen, hydroxyl, —NR f R g , cyano, halo, azido, phosphate, 1,3-dioxoisoindolin-2-yl, mercapto, silyl or —COOH group,

substituted or unsubstituted versions of C 1 -C 15 -alkyl, C 2 -C 15 -alkenyl, C 2 -C 15 -alkynyl, C 6 -C 15 -aryl, C 7 -C 15 -aralkyl, C 1 -C 15 -heteroaryl, C 2 -C 15 -heteroaralkyl, C 1 -C 15 -acyl, C 1 -C 15 -alkoxy, C 2 -C 15 -alkenyloxy, C 2 -C 15 -alkynyloxy, C 6 -C 15 -aryloxy, C 7 -C 15 -aralkyloxy, C 1 -C 15 -heteroaryloxy, C 2 -C 15 -heteroaralkyloxy, C 1 -C 15 -acyloxy, C 1 -C 15 -alkylamino, C 2 -C 15 -alkenylamino, C 2 -C 15 -alkynylamino, C 6 -C 15 -arylamino, C 7 -C 15 -aralkylamino, C 1 -C 15 -heteroarylamino, C 2 -C 15 -heteroaralkylamino, C 1 -C 15 -amido, C 1 -C 15 -alkylthio, C 2 -C 15 -alkenylthio, C 2 -C 15 -alkynylthio, C 6 -C 15 -arylthio, C 7 -C 15 -aralkylthio, C 1 -C 15 -heteroarylthio, C 2 -C 15 -heteroaralkylthio, C 1 -C 15 -acylthio, C 1 -C 12 -thioacyl, C 1 -C 12 -alkylsulfonyl, C 2 -C 12 -alkenylsulfonyl, C 2 -C 12 -alkynylsulfonyl, C 6 -C 12 -arylsulfonyl, C 7 -C 12 -aralkylsulfonyl, C 1 -C 12 -heteroarylsulfonyl, C 1 -C 12 -heteroaralkylsulfonyl, C 1 -C 12 -alkylsulfinyl, C 2 -C 12 -alkenylsulfinyl, C 2 -C 12 -alkynylsulfinyl, C 6 -C 12 -aryl sulfinyl, C 7 -C 12 -aralkylsulfinyl, C 1 -C 12 -heteroarylsulfinyl, C 1 -C 12 -heteroaralkylsulfinyl, C 1 -C 12 -alkylphosphonyl, C 1 -C 12 -alkylphosphate, C 2 -C 12 -dialkylphosphate, C 1 -C 12 -alkylammonium, C 1 -C 12 -alkylsulfonium, C 1 -C 15 -alkylsilyl, or a substituted version of any of these groups,

a —CO 2 Me, carbonyl imidazole, —CO-D-Glu(OAc) 4 , —CONH 2 , —CONHNH 2 , —CONHCH 2 CF 3 , or —C(═O)-heteroaryl group, or

Z and R 15 form a three to seven-membered ring, wherein

R f and R g are independently hydrogen, hydroxyl, alkyl, alkenyl, alkynyl, aryl, aralkyl, heteroaryl, heteroaralkyl, acyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, aralkoxy, heteroaryloxy, heteroaralkoxy, thioacyl, alkylsulfonyl, alkenylsulfonyl, alkynylsulfonyl, arylsulfonyl, aralkylsulfonyl, heteroarylsulfonyl, or heteroaralkylsulfonyl, or a substituted version of any of these groups;

L is —C(═O)—, —C≡C—, —C≡C—N(—R)—, —C(═O)—N(—R)—, or —C≡C—C(═O)—, wherein

R is hydrogen, or an alkyl, aryl, alkenyl, or alkynyl group, or

L is —C≡C—R—C≡C—, wherein

R is an alkyl, aryl, alkenyl, or alkynyl group.

2. A pharmaceutical composition comprising the compound of claim 1 in admixture with a pharmaceutically acceptable carrier.