Synthesis of Bis (2,2,6,6-tetramethyl-4-piperidinyl) Maleate
Abstract
:Introduction
Results and Discussion
Research on Influencing Factors
Factor | A | B oC | C H | Da | E rev/min | F | Gb | H d/min |
level 1 | DEM | 140 | 20 | 0.50 | 800 | TE | 0.001 | 0.25 |
level 2 | DMM | 110 | 14 | 0.45 | 400 | TESZ | 0.005 | 0.50 |
level 3 | - | 153 | 8 | 0.40 | 100 | TESA | 0.010 | 1.00 |
No. | A | B | C | D | E | F | G | H | Y |
1 | DEM | 140 | 20 | 0.40 | 400 | TESZ | 0.001 | 0.50 | 53.1 |
2 | DEM | 110 | 20 | 0.50 | 800 | TE | 0.005 | 0.25 | 45.5 |
3 | DEM | 153 | 20 | 0.45 | 100 | TESA | 0.010 | 1.00 | 13.6 |
4 | DEM | 140 | 14 | 0.45 | 800 | TESZ | 0.010 | 0.25 | 86.3 |
5 | DEM | 110 | 14 | 0.40 | 100 | TE | 0.001 | 1.00 | 30.9 |
6 | DEM | 153 | 14 | 0.50 | 400 | TESA | 0.005 | 0.50 | 14.6 |
7 | DEM | 140 | 8 | 0.50 | 100 | TE | 0.010 | 0.50 | 82.5 |
8 | DEM | 110 | 8 | 0.45 | 400 | TESA | 0.001 | 0.25 | 10.6 |
9 | DEM | 153 | 8 | 0.40 | 800 | TESZ | 0.005 | 1.00 | 15.2 |
10 | DMM | 140 | 20 | 0.50 | 800 | TESA | 0.001 | 1.00 | 20.2 |
11 | DMM | 110 | 20 | 0.45 | 100 | TESZ | 0.005 | 0.50 | 75.9 |
12 | DMM | 153 | 20 | 0.40 | 400 | TE | 0.010 | 0.25 | 24.9 |
13 | DMM | 140 | 14 | 0.40 | 100 | TESA | 0.005 | 0.25 | 38.9 |
14 | DMM | 110 | 14 | 0.50 | 400 | TESZ | 0.010 | 1.00 | 80.9 |
15 | DMM | 153 | 14 | 0.45 | 800 | TE | 0.001 | 0.50 | 16.6 |
16 | DMM | 140 | 8 | 0.45 | 400 | TE | 0.005 | 1.00 | 82.9 |
17 | DMM | 110 | 8 | 0.40 | 800 | TESA | 0.010 | 0.50 | 20.2 |
18 | DMM | 153 | 8 | 0.50 | 100 | TESZ | 0.001 | 0.25 | 26.2 |
sum of level 1 | 352.3 | 363.9 | 233.2 | 269.9 | 204.0 | 283.3 | 157.6 | 232.4 | |
sum of level 2 | 376.7 | 264.1 | 268.2 | 285.9 | 267.0 | 337.6 | 273.0 | 262.9 | |
sum of level 3 | 111.1 | 228.6 | 183.2 | 268.0 | 118.1 | 308.4 | 243.7 | ||
difference between levels | 24.4 | 252.8 | 39.6 | 102.7 | 64.0 | 219.5 | 150.8 | 30.5 |
G | 0.008 | 0.010 | 0.012 | 0.014 | 0.016 | 0.018 |
Y | 70.1 | 80.2 | 86.5 | 91.8 | 93.2 | 94.3 |
D | 0.50 | 0.48 | 0.44 | 0.42 | 0.39 | 0.32 |
Y | 74.1 | 80.1 | 83.6 | 86.2 | 87.3 | 88.1 |
C | 6 | 8 | 12 | 16 | 20 | 25 |
Y | 77.1 | 86.3 | 88.6 | 92.9 | 83.3 | 76.7 |
Catalyst usage
Conclusions
Experimental
General
Synthesis and characterization of products.
References
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- Rekers, J. W. US Pat. 4743657, 1988.
- Nelson, R. V. US Pat. 4883831, 1989.
- Scrima, D. R.; Zagnoni, G; Ackerman, M. H. EP0636610A1, 1994.
- Wang, Fu An; Cao, Tingzhu; Zhao, Tianyuan. Indu. & Chem. Eng. J. (China) 1996, 47, 615.
- Wang, Fu An; Jiang, Yuanli; Zhao, Yan. Microchem. J. 1998, 58, 67.
- Sample Availability: Samples are available from the authors.
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Wang, F.A.; Zhu, J.; Song, J.; Zhai, S.; Wang, L. Synthesis of Bis (2,2,6,6-tetramethyl-4-piperidinyl) Maleate. Molecules 2001, 6, 528-532. https://doi.org/10.3390/60600528
Wang FA, Zhu J, Song J, Zhai S, Wang L. Synthesis of Bis (2,2,6,6-tetramethyl-4-piperidinyl) Maleate. Molecules. 2001; 6(6):528-532. https://doi.org/10.3390/60600528
Chicago/Turabian StyleWang, Fu An, Jiqin Zhu, Jianchi Song, Shengli Zhai, and Lei Wang. 2001. "Synthesis of Bis (2,2,6,6-tetramethyl-4-piperidinyl) Maleate" Molecules 6, no. 6: 528-532. https://doi.org/10.3390/60600528