Invention Grant
- Patent Title: Preparation of 2-chloroethylphosphonate diesters
- Patent Title (中): 2-氯代乙基磷酸酯胶浆的制备
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Application No.: US3705215DApplication Date: 1969-08-07
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Publication No.: US3705215APublication Date: 1972-12-05
- Inventor: VOGEL CALVIN , RANDALL DAVID I
- Applicant: GAF CORP
- Assignee: GAF Chemicals Corp
- Current Assignee: GAF Chemicals Corp
- Priority: US84832769 1969-08-07
- Main IPC: C07F9/40
- IPC: C07F9/40
Abstract:
2-HALOETHYLPHOSPHONATE DIESTERS ARE PREPARED FROM 1-CHLORO-2-BROMO-ETHANE AND AN ALKALI METAL SALT OF A SECONDARY PHOSPHITE WHEREIN THE REACTION IS CARRIED OUT IN THE PRESENCE OF AN APROTIC, DIPOLAR SOLVENT SUCH AS N-METHYL-2-PYRROLIDONE. SAID DIESTERS ARE READILY HYDROLYZED TO -2-CHLOROETHYLPHOSPHONIC ACID USEFUL AS A PLANT GROWTH STIMULANT.
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