Title: Pimecrolimus
CAS Registry Number: 137071-32-0
CAS Name: (3
S,4
R,5
S,8
R,9
E,12
S,14
S,15
R,16
S,18
R,19
R,26a
S)-3-[(1
E)-2-[(1
R,3
R,4
S)-4-Chloro-3-methoxycyclohexyl]-1-methylethenyl]-8-ethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3
H-pyrido[2,1-
c][1,4]oxaazacyclotricosine-1,7,20,21(4
H,23
H)-tetrone
Synonyms: 33-
epi-chloro-33-desoxyascomycin
Manufacturers' Codes: SDZ-ASM-981
Trademarks: Elidel (Novartis)
Molecular Formula: C43H68ClNO11
Molecular Weight: 810.45
Percent Composition: C 63.73%, H 8.46%, Cl 4.37%, N 1.73%, O 21.72%
Literature References: Macrolactam ascomycin derivative; inhibits production of pro-inflammatory cytokines by T cells and mast cells. Prepn: K. Baumann, G. Emmer,
EP 427680 (1991 to Sandoz);
eidem,
US 5912238 (1999 to Novartis).
In vitro pharmacology: M. Gassberger
et al., Br. J. Dermatol. 141, 264 (1999). Clinical evaluation in psoriasis: U. Mrowietz
et al., ibid. 139, 992 (1998); in contact dermatitis: C. Queille-Roussel
et al., Contact Dermatitis 42, 349 (2000).
Therap-Cat: Immunosuppresant.
Keywords: Immunosuppressant.