2,5-Bis(methylamino)-1,3,4-thiadiazole → 2,5-Bis(ethylamino)-1,3,4-oxadiazole

HRID 838827

Reaction equation

HRID 838827 reaction equation
CNC1SC(NC)=NN=1.C([O:12]CCNC1SC(NC)=NN=1)C.CO[CH2:25][CH2:26][NH:27][C:28]1S[C:30]([NH:33][CH2:34][CH2:35]OC)=[N:31][N:32]=1.C(OCCNC1SC(NCCOC)=NN=1)C.COCCNC1SC(NC2C=CC=CC=2)=NN=1.COC1C=CC(NC2SC(NCCOC)=NN=2)=CC=1>[Ag]Cl>[CH2:26]([NH:27][C:28]1[O:12][C:30]([NH:33][CH2:34][CH3:35])=[N:31][N:32]=1)[CH3:25]

Participants

8

Reactant 6

HCID 5889292,5-Bis(methylamino)-1,3,4-thiadiazoleHCID 20324755N-(2-ethoxyethyl)-N'-(2-methoxyethyl)-1,3,4-thiadiazole-2,5-diamineHCID 20324756N-(2-methoxyethyl)-N'-phenyl-1,3,4-thiadiazole-2,5-diamineHCID 20324759N-(2-ethoxyethyl)-N'-methyl-1,3,4-thiadiazole-2,5-diamineHCID 20324761N~2~,N~5~-Bis(2-methoxyethyl)-1,3,4-thiadiazole-2,5-diamineHCID 20324764N-(2-methoxyethyl)-N'-(4-methoxyphenyl)-1,3,4-thiadiazole-2,5-diamine

Product 1

HCID 213313772,5-Bis(ethylamino)-1,3,4-oxadiazole

Reagents, catalysts & solvents 1

HCID 24561Silver ChlorideCatalyst

Procedure

The photographic element of claim 10 comprising a silver chloride emulsion layer incorporating a silver halide developing agent which is 2,5-bis-(methylamino)-1,3,4-thiadiazole; 2-methylamino-5-ethylamino-1,3,4,thiadiazole; 2-(2-ethoxyethylamino)-5-methylamino-1,3,4-thiadiazole; 2,5-bis(2-methoxyethylamino)-1,3,4-thiadiazole; 2-(2-ethoxyethylamino)-5-(2-methoxyethylamino)-1,3,4-thiadiazole; 2-(2-methoxyethylamino)-5-phenylamino-1,3,4-thiadiazole; 2-(p-methoxyphenylamino)-5-(2-methoxyethylamino)-1,3,4-thiadiazole; or

Sources & evidence

ORD record
ord-4f21a003f6c94bb8bdfb7da50bf5ad6b
Source dataset
uspto-grants-1978_06
Patent number
US04093462

Linked notes

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