| 发明名称 |
1-Nitroso-1,2,3,4-tetrahydroquinoline and 1-nitroso-indoline compounds |
| 摘要 |
This invention relates to N-nitroso compounds having the formula <IMAGE> wherein R and R' each are selected from hydrogen and alkyl, Z is -CN or -COOR'' wherein R'' is alkyl and n is a positive integer from 1 to 7. These compounds are useful as intermediates in the preparation of photographic silver halide developing agents.
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| 申请公布号 |
US4067871(A) |
申请公布日期 |
1978.01.10 |
| 申请号 |
US19760721858 |
申请日期 |
1976.09.09 |
| 申请人 |
POLAROID CORPORATION |
发明人 |
BARTLES-KEITH, JAMES R.;BURGESS, MARY T.;ROGERS, JEAN B. |
| 分类号 |
C07C205/56;C07D209/18;C07D215/58;C07D471/04;C07D487/04;C25B3/04;G03C5/30;(IPC1-7):C07D215/58;C07D209/12 |
主分类号 |
C07C205/56 |
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