Image forming method using photothermographic material

摘要

The invention provides an image forming method for forming an image using a photothermographic material having an image forming layer on both sides of a support, wherein the image forming layer contains at least a photosensitive silver halide, an organic silver salt, a reducing agent for silver ions represented by the following formula (1), a coupler, and a binder:
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wherein R<Sub>1</Sub>, R<Sub>2</Sub>, R<Sub>3</Sub>, and R<Sub>4</Sub> each independently represent a hydrogen atom or a substituent; R<Sub>5</Sub> and R<Sub>6</Sub> each independently represent an alkyl group, an aryl group, a heterocyclic group, an acyl group, or a sulfonyl group; R<Sub>7</Sub> represents R<Sub>11</Sub>-O-CO-, R<Sub>12</Sub>-CO-CO-, R<Sub>13</Sub>-NH-CO-, R<Sub>14</Sub>-SO<Sub>2</Sub>-, R<Sub>15</Sub>-W-C(R<Sub>16</Sub>)(R<Sub>17</Sub>)(R<Sub>18</Sub>)-, R<Sub>19</Sub>-SO<Sub>2</Sub>NHCO-, R<Sub>20</Sub>-CONHCO-, R<Sub>21</Sub>-SO<Sub>2</Sub>NHSO<Sub>2</Sub>-, R<Sub>22</Sub>-CONHSO<Sub>2</Sub>- or (M)<Sub>1/n</Sub>OSO<Sub>2</Sub>-; and M represents a cation having a valency of n. An image forming method using a photothermographic material which exhibits low fog and excellent storage stability is provided.