Chemistry is traditionally divided into organic and inorganic chemistry. SDS of cas: 5391-39-9, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 5391-39-9
Penicillins
Penicillins of the formula EQU1 or pharmaceutically acceptable non-toxic salts thereof, wherein C* is a carbon atom constituting a center of chirality; A is a moiety of the formula EQU2 or EQU3 wherein X is EQU4 Y is EQU5 or wherein Aryl is an aryl moiety; Z is EQU6 Q1 is EQU7 or SPC1 Q2 is EQU8 SPC2 or SPC3 R is straight- chain or branched alkyl of 1 to 5 carbon atoms; R1 is alkyl of 1 to 10 carbon atoms, cycloalkyl of 3 to 10 carbon atoms, alkenyl of 2 to 10 carbon atoms, cycloalkenyl of 3 to 10 carbon atoms. vinyl, arylvinyl, mono-, di-, or tri-halo-lower alkyl, H2 N–, R–NH–, (R)2 N–, aryl–NH–, aryl-lower alkylamino, alkoxy of 1 to 8 carbon atoms, aralkoxy of 1 to 8 carbon atoms in the alkoxy portion, cycloalkoxy of 3 to 7 carbon atoms, aryloxy, R–O–V–, R–S–V–, N=C–V–, R–O–CO–V–, H2 N–CO–V–, R–NH–CO–V–, R–O–CO–NH–, R–SO2 –NH–, (R)2 N–CO–V–, wherein R is as above defined, SPC4 SPC5 provided that when X is –SO2 –, R1 is not alkoxy, aralkoxy, cycloalkoxy or aryloxy, and further provided that R1 can also be hydrogen when X is –CO–; V is a divalent organic radical of 1 to 3 carbon atoms; n is 0, 1 or 2; R2 and R3 are the same or different and are each hydrogen, alkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, vinyl, allyl, propenyl, cycloalkyl of 3 to 6 carbon atoms, cycloalkenyl of 3 to 6 carbon atoms, mono-, di- or tri-halo lower alkyl or aryl; R4, r5 and R6 are the same or different and are each hydrogen, nitro, cyano, (R)2 N–, (R)2 N–CO–, R–CO–NH–, R–O–CO–, R–CO–O–, R–, R–O–, wherein R is as above defined, H2 N–SO2 –, chlorine, bromine, iodine, fluorine or trifluoromethyl; G is hydrogen or straight or branched chain alkyl of 1 to 5 carbon atoms; and B is a moiety of the formula SPC6 wherein R7, r8 and R9 are the same or different and are each hydrogen, halogen, nitro, hydroxy, R–, R–O–, R–S–, R–SO– , R–SO2 –, (R)2 N–, R–CO–NH–, or R–CO–O– , wherein R is as above defined; the arrow in the divalent linking group ?Q2 ? means that the linkage of two atoms by the free valencies of this group must take place as indicated by the arrow; exhibit activity against both Gram-positive and Gram-negative bacteria.
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Reference£º
Imidazolidine – Wikipedia,
Imidazolidine | C3H8N2210 – PubChem