发明授权
- 专利标题: Process for preparing methyl dithiocarbazinate by reacting methyl bromide with the reaction product of carbon disulfide, hydrazine and an adjunct base
- 专利标题(中): 甲基溴与二硫化碳,肼和辅助基质反应生成甲基二硫代肼基甲酸甲酯的方法
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申请号: US157483申请日: 1998-09-21
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公开(公告)号: US6025514A公开(公告)日: 2000-02-15
- 发明人: Dennis E. Jackman , David T. Erdman , Peter E. Newallis , Daniel M. Wasleski , Vijay C. Desai , Jeffrey D. Macke , Vidyanatha A. Prasad
- 申请人: Dennis E. Jackman , David T. Erdman , Peter E. Newallis , Daniel M. Wasleski , Vijay C. Desai , Jeffrey D. Macke , Vidyanatha A. Prasad
- 申请人地址: PA Pittsburgh
- 专利权人: Bayer Corporation
- 当前专利权人: Bayer Corporation
- 当前专利权人地址: PA Pittsburgh
- 主分类号: C07C337/02
- IPC分类号: C07C337/02 ; C07C333/28
摘要:
Disclosed herein is a process for preparing high yields of methyl dithiocarbazinate by reacting carbon disulfide, hydrazine and a base in an aqueous medium, in an effective ratio to form a dithiocarbazinate salt followed by methylating the dithiocarbazinate salt with methyl bromide.
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