The present invention provides compounds having store overload-induced Ca.sup.2+ release (SOICR) inhibitory activity and methods for producing and using the same. In particular, compounds of the invention is of the formula: R.sup.1X.sup.1-L-X.sup.2R.sup.2, wherein R.sup.1, X.sup.1, L, X.sup.2, and R.sup.2 are those defined herein.

The invention relates to an organic molecule having a structure of the formula I

##STR00001##

where X=CN or CF.sub.3; D=chemical unit having a structure of the formula I-1:

##STR00002##

where #=attachment point of the unit of formula I-1 to the central phenyl ring in the structure of formula I; A and B=independently of one another selected from the group consisting of CRR.sup.1, CR, NR, N, there being a single or double bond between A and B and a single or double bond between B and Z; Z=a direct bond or a divalent organic bridge which is a substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group or a combination thereof, CRR.sup.1, CCRR.sup.1, CNR, NR, O, SiRR.sup.1, S, S(O), S(O).sub.2, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group, phenyl units or substituted phenyl units.

The invention relates to an organic molecule having a structure of the formula I

##STR00001##

where X=CN or CF.sub.3; D=chemical unit having a structure of the formula I-1:

##STR00002##

where #=attachment point of the unit of formula I-1 to the central phenyl ring in the structure of formula I; A and B=independently of one another selected from the group consisting of CRR.sup.1, CR, NR, N, there being a single or double bond between A and B and a single or double bond between B and Z; Z=a direct bond or a divalent organic bridge which is a substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group or a combination thereof, CRR.sup.1, CCRR.sup.1, CNR, NR, O, SiRR.sup.1, S, S(O), S(O).sub.2, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group, phenyl units or substituted phenyl units.

The invention relates to an organic molecule having precisely two units of formula I linked to one another via a single bond or a bridge Y

##STR00001##

where
Y=a divalent group;
X=at each occurrence identically or differently CN and CF.sub.3;
D=chemical unit having a structure of the formula I-1:

##STR00002##

where
#=attachment point of the unit of formula I-1 to the structure of formula I;
A and B=independently of one another selected from the group consisting of CRR.sup.1, CR, NR, N, there being a single or double bond between A and B and a single or double bond between B and Z;
Z=a direct bond or a divalent organic bridge which is a substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group or a combination thereof, CRR.sup.1, CCRR.sup.1, CNR, NR, O, SiRR.sup.1, S, S(O), S(O).sub.2, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group, phenyl units or substituted phenyl units.

The invention relates to an organic molecule having a structure of the formula I ##STR00001## where X=CN or CF.sub.3; D=chemical unit having a structure of the formula I-1: ##STR00002## where #=attachment point of the unit of formula I-1 to the central phenyl ring in the structure of formula I; A and B=independently of one another are selected from the group consisting of CRR.sup.1, CR, NR, N, there being a single or double bond between A and B and a single or double bond between B and Z; and Z=a direct bond or a divalent organic bridge which is a substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group or a combination thereof, CRR.sup.1, CCRR.sup.1, CNR, NR, O, SiRR.sup.1, S, S(O), S(O).sub.2, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group, phenyl units or substituted phenyl units.

The invention relates to an organic molecule having a structure of the formula I ##STR00001## where X=CN or CF.sub.3; D=chemical unit having a structure of the formula I-1: ##STR00002## where #=attachment point of the unit of formula I-1 to the central phenyl ring in the structure of formula I; A and B=independently of one another are selected from the group consisting of CRR.sup.1, CR, NR, N, there being a single or double bond between A and B and a single or double bond between B and Z; and Z=a direct bond or a divalent organic bridge which is a substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group or a combination thereof, CRR.sup.1, CCRR.sup.1, CNR, NR, O, SiRR.sup.1, S, S(O), S(O).sub.2, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group, phenyl units or substituted phenyl units.

A phenothiazine derivative represented by the general formula: ##STR00001## (wherein R.sup.1 is a monovalent aliphatic hydrocarbon group having 1 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms, and R.sup.2.Math.Ar is an aralkyl group, wherein R.sup.2 is a divalent aliphatic hydrocarbon group having 1 to 10 carbon atoms, and Ar is a monovalent aromatic hydrocarbon group having 6 to 10 carbon atoms), and a carboxyl group-containing acrylic rubber composition comprising, based on 100 parts by weight of carboxyl group-containing acrylic rubber: (A) 0.1 to 5 parts by weight of the phenothiazine derivative represented by the formula [I]; (B) 0.1 to 3 parts by weight of a crosslinking agent for carboxyl group-containing acrylic rubber; and (C) 0.1 to 5 parts by weight of a crosslinking accelerator for carboxyl group-containing acrylic rubber.