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Phosphoryl chloride induced ring contraction of 1,4-benzodiazepinones to chloromethylquinazolines |
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| Authors: | Donald W Combs Jeffery B Press Dennis Mulvey Yolanda Gray-Nunez Stanley C Bell |
| Abstract: | A ring contraction of 1,4-benzodiazepin-2-one to 2-chloromethylquinazoline in phosphoryl chloride is described. The intermediacy of an aziridinoquinazoline is proposed. |
| Keywords: | |