Benzyl methacrylate synthesis
- Product Name:Benzyl methacrylate
- CAS Number:2495-37-6
- Molecular formula:C11H12O2
- Molecular Weight:176.21
80-62-6
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100-51-6
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2495-37-6
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Yield:2495-37-6 97%
Reaction Conditions:
with C2H3O3(1-)*C37H78N(1+) in hexane at 90; for 2 h;Molecular sieve;Reagent/catalyst;
Steps:
63
General procedure: In Examples 62 to 64, as shown in Table 13, a transesterification reaction was carried out between methyl methacrylate which is an easily polymerizable ester compound and an alcohol compound. In Example 62, as in Example 24, lanthanum nitrate and tri n-octylphosphine were previously azeotropically refluxed with dimethyl carbonate for 1 hour, then dimethyl carbonate was evaporated at room temperature, The obtained catalyst was used. In Examples 63 and 64, methyltridodecylammonium methyl carbonate was used singly. As a result, ester products were obtained in high yield. It is to be noted that in Example 62, when using the isolated phosphonium salt as a catalyst instead of using the prepared catalyst as it is, it is predicted that the ester product is obtained with a higher yield than in Example 62 . Although not shown in Table 13, potassium tert-butoxide was used as a catalyst, and various by-products were produced.
References:
NAGOYA UNIVERSITY;MITSUBISHI RAYON COMPANY LIMITED;SHIHARA, KAZUAKI;HATANO, MANABU JP5804472, 2015, B2 Location in patent:Paragraph 0087; 0088
63613-50-3
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2495-37-6
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920-46-7
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100-51-6
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2495-37-6
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79-41-4
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100-51-6
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2495-37-6
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5536-61-8
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100-39-0
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2495-37-6
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