Synthesis method of 1,3-diaminothiourea
The invention belongs to the technical field of medical intermediates, and particularly relates to a synthesis method of 1,3-diaminothiourea. According to the invention, hydrazine hydrate and carbon disulfide are used as raw materials, mercaptoethanol is used as a catalyst, and ephedrine is added as...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention belongs to the technical field of medical intermediates, and particularly relates to a synthesis method of 1,3-diaminothiourea. According to the invention, hydrazine hydrate and carbon disulfide are used as raw materials, mercaptoethanol is used as a catalyst, and ephedrine is added as an auxiliary agent for the catalyst, so catalytic efficiency is improved, a reaction speed is accelerated, reaction time is shortened, and reaction efficiency is improved.
本发明属于医药中间体技术领域，具体涉及一种1,3-二氨基硫脲的合成方法。本发明采用水合肼、二硫化碳作为原料，通过使用巯基乙醇作为催化剂，通过加入麻黄碱作为催化剂用助剂，提高催化效能，加快反应速度，缩短了反应时效，提高了反应效率。 |
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