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CAS No.: | 87272-20-6 |
---|---|
Name: | MEDICA 16 |
Article Data: | 3 |
Molecular Structure: | |
Formula: | C20H38O4 |
Molecular Weight: | 342.519 |
Synonyms: | 3,3,14,14-Tetramethylhexadecanedioicacid;Medica 16; |
Density: | 0.984 g/cm3 |
Melting Point: | 154-159 °C |
Boiling Point: | 485.9 °C at 760 mmHg |
Flash Point: | 261.8 °C |
Solubility: | DMSO: 28 mg/mL |
Appearance: | white solid |
PSA: | 74.60000 |
LogP: | 5.88920 |
C22H38O8
Medica 16
Conditions | Yield |
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at 190℃; for 1h; |
Medica 16
B
2,15-dibromo-3,3,14,14-tetramethylhexadecanedioic acid
Conditions | Yield |
---|---|
With bromine In tetrachloromethane; thionyl chloride | A 89% B n/a |
Medica 16
3,3,14,14-tetramethyl-1,16-hexadecanedioic acid chloride
Conditions | Yield |
---|---|
With thionyl chloride at 75℃; for 1h; | |
With thionyl chloride; N,N-dimethyl-formamide In ethanol for 2.5h; Heating / reflux; |
Medica 16
isopropyl alcohol
A
bis(1-methylethyl) 2,15-dichloro-3,3,14,14-tetramethyl-1,16-hexadecanedioate
B
bis(1-methylethyl) 2,2,15-trichloro-3,3,14,14-tetramethyl-1,16-hexadecanedioate
Conditions | Yield |
---|---|
With N-chloro-succinimide 1.) SOCl2, reflux, 7 h; 2.) CCl4, RT, 48 h; Yield given. Multistep reaction. Yields of byproduct given; |
Medica 16
dimethyl 2,15-dibromo-3,3,14,14-tetramethyl-1,16-hexadecanedioate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: SOCl2 / 1 h / 75 °C 2: 84 percent / Br2 / CCl4 / 20 h / Heating; Irradiation View Scheme |
Medica 16
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: SOCl2 / 1 h / 75 °C 2: 84 percent / Br2 / CCl4 / 20 h / Heating; Irradiation 4: 1) tetrabutylammonium fluoride, 2) MeOH, H2SO4 / 1) 60 deg C, 20 h 5: 38 percent / tetrabutylammonium fluoride / 16 h / 60 °C View Scheme |
Medica 16
2,15-dibromo-3,3,14,14-tetramethylhexadecanedioic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: SOCl2 / 1 h / 75 °C 2: 84 percent / Br2 / CCl4 / 20 h / Heating; Irradiation 3: 60 percent / H2O / 20 h / Heating View Scheme | |
With potassium hydroxide; N-Bromosuccinimide; thionyl chloride; hydrogen bromide In methanol; tetrachloromethane; dichloromethane |
Medica 16
2,15-dibromo-3,3,14,14-tetramethyl hexadecane-1,16-dioyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: SOCl2 / 1 h / 75 °C 2: 84 percent / Br2 / CCl4 / 20 h / Heating; Irradiation View Scheme |
Medica 16
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: SOCl2 / 1 h / 75 °C 2: 84 percent / Br2 / CCl4 / 20 h / Heating; Irradiation 3: 60 percent / H2O / 20 h / Heating 4: 62 percent / KOH / H2O / 20 h / Heating View Scheme |
Medica 16
dimethyl 2,15-difluoro-3,3,14,14-tetramethylhexadecanedioate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: SOCl2 / 1 h / 75 °C 2: 84 percent / Br2 / CCl4 / 20 h / Heating; Irradiation 4: 1) tetrabutylammonium fluoride, 2) MeOH, H2SO4 / 1) 60 deg C, 20 h View Scheme |
This chemical is called Hexadecanedioic acid, 3,3,14,14-tetramethyl-, and its systematic name is 3,3,14,14-tetramethylhexadecanedioic acid. With the molecular formula of C20H38O4, its molecular weight is 342.51. The CAS registry number of this chemical is 87272-20-6. Additionally, this chemical should be stored at the temperature of −20 °C.
Other characteristics of the Hexadecanedioic acid, 3,3,14,14-tetramethyl- can be summarised as followings: (1)ACD/LogP: 6.44; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 4.91; (4)ACD/LogD (pH 7.4): 1.85; (5)ACD/BCF (pH 5.5): 1367.78; (6)ACD/BCF (pH 7.4): 1.18; (7)ACD/KOC (pH 5.5): 2244.74; (8)ACD/KOC (pH 7.4): 1.93; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 15; (12)Polar Surface Area: 52.6 Å2; (13)Index of Refraction: 1.473; (14)Molar Refractivity: 97.76 cm3; (15)Molar Volume: 348 cm3; (16)Polarizability: 38.75×10-24cm3; (17)Surface Tension: 37.5 dyne/cm; (18)Density: 0.984 g/cm3; (19)Flash Point: 261.8 °C; (20)Enthalpy of Vaporization: 82.3 kJ/mol; (21)Boiling Point: 485.9 °C at 760 mmHg; (22)Vapour Pressure: 8.97E-11 mmHg at 25°C.
You can still convert the following datas into molecular structure:
1.SMILES: O=C(O)CC(C)(C)CCCCCCCCCCC(CC(=O)O)(C)C
2.InChI: InChI=1/C20H38O4/c1-19(2,15-17(21)22)13-11-9-7-5-6-8-10-12-14-20(3,4)16-18(23)24/h5-16H2,1-4H3,(H,21,22)(H,23,24)
3.InChIKey: HYSMCRNFENOHJH-UHFFFAOYAR