7-Dehydrocholesterol synthesis
- Product Name:7-Dehydrocholesterol
- CAS Number:434-16-2
- Molecular formula:C27H44O
- Molecular Weight:384.64
1059-86-5
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434-16-2
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Yield:434-16-2 90%
Reaction Conditions:
with methanol at 50;Large scale;
Steps:
8 Example 8 Hydrolysis Preparation of 7-Dehydrocholesterol (II)
1.6 kg (3.756 eq) of 7-dehydrocholesterol acetate (III) prepared in Example 7 was dissolved in 8 L(about 6.3 Kg) of methanol, adding 3.756 eq of potassium hydroxide or sodium hydroxide,Reaction at 50 ° C;After the reaction, adjust the pH to neutral with acetic acid.Precipitate solids and filter to obtain 7-dehydrocholesterol (II)Solid 1.3Kg,The yield was 90%.
References:
Sichuan Jianteng Biological Co., Ltd.;Fu Shuqing;Xie Xianglin;Luo Zongang;Zhang Lin;Wu Xianjun CN109761867, 2019, A Location in patent:Paragraph 0045; 0046
57-88-5
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434-16-2
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604-35-3
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434-16-2
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6038-38-6
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434-16-2
328 suppliers
$10.00/1g