ABIETIC ACID synthesis
- Product Name:ABIETIC ACID
- CAS Number:514-10-3
- Molecular formula:C20H30O2
- Molecular Weight:302.45
13463-98-4
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Yield:-
Reaction Conditions:
with hydrogenchloride in water;ethyl acetate for 0.166667 h;Heating / reflux;
Steps:
2 Example 2
After it was ground, 700 g of abietic acid calcium salt was added into 600 of ml acetic ether and 90 ml of concentrated hydrochloric acid, the mixture was heated and refluxed for 10 min.The mixture was filtered after dissolved, allowed to stand still and be crystallized to give 140 g of abietic acid. Mp. 162-166° C., 1HNMR(300 MHz, in CDCl3, J in Hz) δ ppm: 7.430(1H, brs), 5.757(1H, brs), 5.332(1H, brs), 2.213(1H, seq.), 1.186(3H, s), 1.10(3H, d, J=7.2), 1.000(3H, d, J=7.2), 0.803(3H,s).
References:
Zheng, Liangyuan;Zhang, Shiwei;Zheng, Li;Wang, Mingxin;Zhao, Yongli;Lu, Xuezhao US2004/162341, 2004, A1 Location in patent:Page/Page column 5
127-25-3
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514-10-3
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5835-26-7
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514-10-3
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127-27-5
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514-10-3
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79-54-9
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514-10-3
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