CN105669582B - Double (1- nitre aminotetrazole) the double potassium salt compounds of 5,5 '-azo - Google Patents

Double (1- nitre aminotetrazole) the double potassium salt compounds of 5,5 '-azo Download PDF

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CN105669582B
CN105669582B CN201610133948.3A CN201610133948A CN105669582B CN 105669582 B CN105669582 B CN 105669582B CN 201610133948 A CN201610133948 A CN 201610133948A CN 105669582 B CN105669582 B CN 105669582B
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double
azo
sylvite
tetrazoliums
methoxymethylamide
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CN105669582A (en
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李亚南
王伯周
毕福强
舒远杰
张生勇
汪伟
翟连杰
尉涛
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Xian Modern Chemistry Research Institute
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D257/00Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04Five-membered rings
    • C07D257/06Five-membered rings with nitrogen atoms directly attached to the ring carbon atom
    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B41/00Compositions containing a nitrated metallo-organic compound
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F1/00Compounds containing elements of Groups 1 or 11 of the Periodic Table
    • C07F1/06Potassium compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

The invention discloses a kind of double (1 nitre aminotetrazole) the double potassium salt compounds of 5,5 ' azos, its structural formula is such as shown in (I):

Description

Double (1- nitre aminotetrazole) the double potassium salt compounds of 5,5 '-azo
Technical field
The present invention relates to a kind of energetic material, and in particular to one kind 5, double (1- nitre aminotetrazole) the double sylvite of 5 '-azo Compound.
Background technology
At present, design, synthesis and the explorative research research of Nitrogen Heterocyclic Energetic Compounds are subject to the generally pass of various countries researcher Note, contain substantial amounts of N-N, N=N key in such compound, there is the higher positive enthalpy of formation, high nitrogen, low-carbon hydrogen content make it more Easily reach oxygen balance, and higher nitrogen content makes its catabolite be mainly nitrogen, and gas production is larger, cleanliness without any pollution, Future has broad application prospects in fields such as composite explosives, solid propellant and gas-forming agents.1,5- diaminourea tetrazoliums And its correlative is a kind of important tetrazolium energy-containing compound precursor, the amino in its structure can be modified further, derive and contain Nitramine base, azo group etc. containing can group high energy material, so as to design, synthesize a variety of detonation properties preferably containing can derive Thing, particularly its nitramine Base Metal potassium salt compound, can replace traditional Azide as a kind of novel green high energy priming Lead priming, avoid because the latter use and caused by lead heavy metal pollution, there is potential application prospect.
Lianjie Zhai et al.《A green high-initiation-power primary explosive: synthesis,3D structure and energetic properties of dipotassium 3,4-bis(3- dinitromethylfurazan-4-oxy)furazan》, RSC Adv., 2015,5,57833-57841 disclose 1,1 '-two Nitramine base -5, the molecular structure and performance data of the double sylvite of 5 '-bis- tetrazoliums, the compound structure are as follows:
The compound crystal density is 2.11g/cm3, nitrogen content 50.28%, calculating explosion velocity is 8055m/s, and detonation pressure is 28.9GPa, generation heat is 326.4kJ/mol, and quick-fried heat is 4959kJ/kg.But compound generation heat is smaller, energy is relatively low.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcomings of background technology and defect, there is provided one kind generation heat compared with Greatly, double (1- nitre aminotetrazole) double potassium salt compounds of 5,5 ' higher-azo of energy.
The synthetic route of double (1- nitre aminotetrazole) the double potassium salt compounds of 5,5 '-azo of the present invention is as follows:
With 1- methoxy methyl acyl group -1,5- diaminourea tetrazoliums for raw material, react give birth to the hydrochloric acid solution of potassium permanganate first It is double (1- methoxymethylamide bases tetrazolium) into 5,5 '-azo, then reacted through Nitrolysis with Nitrogen Peroxide, potassium hydroxide alkaline hydrolysis etc., most After generate double (1- nitre aminotetrazole) the double sylvite of 5,5 '-azo.
The 5 of the present invention, double (1- nitre aminotetrazole) the double potassium salt compounds of 5 '-azo, its structural formula is such as shown in (I):
The 5 of the present invention, the synthetic method of double (1- nitre aminotetrazole) the double sylvite of 5 '-azo, comprise the following steps:
The synthesis of (1) 5,5 '-azo double (1- methoxymethylamide bases tetrazoliums)
Under ice-water bath stirring, successively by 36~38% (quality) concentrated hydrochloric acids, 1- methoxy methyl acyl group -1,5- diaminourea tetrazoliums It is added in flask, potassium permanganate solution is added dropwise, 50~55 DEG C of reaction 5h is warming up to after adding, are cooled to 20~25 DEG C, mistake Filter, wash, be dry that 5,5 '-azo is double (1- methoxymethylamide bases tetrazolium);Wherein 1- methoxy methyls acyl group -1,5- diaminourea The molar ratio of tetrazolium and potassium permanganate is 1:1~3.
The synthesis of double (1- nitre aminotetrazole) the double sylvite of (2) 5,5 '-azos
Under ice-water bath stirring, 5,5 '-azo double (1- methoxymethylamide bases tetrazoliums) is distributed in anhydrous acetonitrile, 0 DEG C add dinitrogen pentoxide acetonitrile solution, after adding 0 DEG C~5 DEG C react 2h~5h, then add potassium hydroxide aqueous solution The h of 0.5h~2 is reacted, solvent is evaporated off, adds methanol, 3h~5h are stirred at 20~25 DEG C, filtering, is added to the water stirring by filter cake 10min~60min, filtering, filter cake are washed through methanol, dry 5, double (1- nitre aminotetrazole) the double sylvite of 5 '-azo;Wherein 5, The molar ratio of 5 '-azo double (1- methoxymethylamide bases tetrazoliums) and dinitrogen pentoxide is 1:2~5, dinitrogen pentoxide and hydrogen-oxygen The molar ratio for changing potassium is 1:1~3.
Advantages of the present invention:
The 5 of the present invention, the double potassium salt compounds calculating generation heat of 5 '-azo double (1- nitre aminotetrazoles) are larger, it generates heat For 617.0 kJ/mol, the 1 of documents, 1 '-dinitro amido -5, the calculating generation heat of 5 '-bis- double sylvite of tetrazolium is 326.4kJ/mol;The 5 of the present invention, double (1- nitre aminotetrazole) the double potassium salt compound energy of 5 '-azo are higher, it calculates explosion velocity For 8367m/s, detonation pressure 31.5GPa, quick-fried heat is 5358kJ/kg, the 1 of documents, 1 '-dinitro amido -5,5 '-bis- tetrazoliums are double The calculating explosion velocity of sylvite is 8055m/s, and detonation pressure 28.9GPa, quick-fried heat is 4959kJ/kg.
Embodiment
The present invention is described in further detail with reference to embodiments.
Embodiment 1
The synthesis of (1) 5,5 '-azo double (1- methoxymethylamide bases tetrazoliums)
Under ice-water bath stirring, successively by concentrated hydrochloric acid of the 12.9mL mass percents for 36%~38%, 0.79g (5mmol) 1- methoxy methyl acyl group -1,5- diaminourea tetrazoliums are added in flask, and 14.0mL is added dropwise and contains 0.79g (5mmol) potassium permanganate Aqueous solution, is warming up to 50~55 DEG C of reaction 5h after adding, reaction solution is cooled to 20~25 DEG C, filtering, washing, it is dry 5,5 '- Double (the 1- methoxymethylamide bases tetrazolium) 0.7g of azo, yield 89.7%.
Structural Identification:
Infrared spectrum:IR(KBr,cm-1),υ:3242,3024,2968,1767,1638,1536,1504,1467,1437, 1309, 1248,1147,1074,1049,964,848,767,751,594
Nuclear magnetic spectrum:1HNMR(DMSO-d6,500MHz),δ:3.808(s,6H,2CH3),12.843(s,2H,2NH);13CNMR(DMSO-d6,125MHz),δ:54.473,155.24,158.00
Elemental analysis:Molecular formula C6H8N12O4
Theoretical value:C 23.08,H 2.58,N 53.84
Measured value:C 23.13,H 2.52,N 53.90
No. CCDC:1442365.
It is strictly that 5,5 '-azo is double (1- methoxymethylamide bases tetrazolium) that said structure appraising datum, which confirms to obtain material,.
The synthesis of double (1- nitre aminotetrazole) the double sylvite of (2) 5,5 '-azos
Under ice-water bath stirring, by 1.87g (6mmol) 5,5 '-azo double (1- methoxymethylamide bases tetrazoliums) is distributed to In 58.0mL anhydrous acetonitriles, acetonitrile solutions of the 32.0mL containing 2.59g (24mmol) dinitrogen pentoxide is added at 0 DEG C, 0 after adding DEG C~5 DEG C of reaction 3h, the reactant aqueous solution 1h that 24.0mL contains 2.69g (48mmol) potassium hydroxide is then added, solvent is evaporated off, adds Enter 35.0mL methanol and 4h is stirred at 20~25 DEG C, filtering, filter cake is added in 20.0mL water and stirs 30min, mistake at 20~25 DEG C Filter, filter cake are washed through methanol, dry 5, double (1- nitre aminotetrazole) the double sylvite 0.46g of 5 '-azo, yield 21.2%.
Structural Identification:
Infrared spectrum:IR(KBr,cm-1),υ:3442,1635,1479,1456,1431,1298,1242,1226,1154, 1079, 1015,927,879,775,753,739,613
Nuclear magnetic spectrum:13CNMR(DMSO-d6,125MHz),δ:157.96
Elemental analysis:Molecular formula K2C2N14O4
Theoretical value:C 6.63,N 54.12
Measured value:C 6.71,N 54.06
No. CCDC:1439593.
It is strictly double (1- nitre aminotetrazole) the double sylvite of 5,5 '-azo that said structure appraising datum, which confirms to obtain material,.
The performance of double (1- nitre aminotetrazole) double sylvite of 5,5 '-azo of the invention
(1) physical and chemical performance
Appearance:Tan solid
Solubility:It is soluble easily in water;It is slightly soluble in dimethyl sulfoxide (DMSO), N,N-dimethylformamide, methanol etc.
Crystalline density:2.11g/cm3X-ray diffraction method
(2) detonation property
The purposes of double (1- nitre aminotetrazole) the double sylvite of 5,5 '-azo of the present invention
Double (1- nitre aminotetrazole) the double potassium salt compounds of 5,5 '-azo of the present invention are with generation heat is larger, energy is higher The features such as, it can be applied to the fields such as composite explosives, high energy priming.

Claims (1)

1. one kind 5, the synthetic method of double (1- nitre aminotetrazole) the double sylvite of 5 '-azo, 5,5 '-azo is double (1- nitre aminotetrazole) Double sylvite structural formulas are such as shown in (I):
With 1- methoxy methyl acyl group -1,5- diaminourea tetrazoliums for raw material, its structural formula such as shown in (II), comprises the following steps:
The synthesis of (1) 5,5 '-azo double (1- methoxymethylamide bases tetrazoliums)
Under ice-water bath stirring, successively by concentrated hydrochloric acid of the mass percent for 36%~38%, 1- methoxy methyl acyl group -1,5- diaminos Base tetrazolium is added in flask, and potassium permanganate solution is added dropwise, and 50 DEG C~55 DEG C reaction 5h are warming up to after adding, are cooled to 20 DEG C ~25 DEG C, filtering, washing, dry 5,5 '-azo is double (1- methoxymethylamide bases tetrazolium);Wherein 1- methoxy methyls acyl group- The molar ratio of 1,5- diaminourea tetrazolium and potassium permanganate is 1:1~3;
The synthesis of double (1- nitre aminotetrazole) the double sylvite of (2) 5,5 '-azos
Under ice-water bath stirring, 5,5 '-azo double (1- methoxymethylamide bases tetrazoliums) is distributed in anhydrous acetonitrile, is added at 0 DEG C Enter the acetonitrile solution of dinitrogen pentoxide, react 2h~5h at 0 DEG C~5 DEG C after adding, then add potassium hydroxide aqueous solution reaction 0.5h~2h, is evaporated off solvent, adds methanol, 3h~5h is stirred at 20 DEG C~25 DEG C, filtering, is added to the water stirring by filter cake 10min~60min, filtering, filter cake are washed through methanol, dry 5, double (1- nitre aminotetrazole) the double sylvite of 5 '-azo;Wherein 5, The molar ratio of 5 '-azo double (1- methoxymethylamide bases tetrazoliums) and dinitrogen pentoxide is 1:2~5, dinitrogen pentoxide and hydrogen-oxygen The molar ratio for changing potassium is 1:1~3.
CN201610133948.3A 2016-03-09 2016-03-09 Double (1- nitre aminotetrazole) the double potassium salt compounds of 5,5 '-azo Expired - Fee Related CN105669582B (en)

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CN106892933B (en) * 2017-03-21 2018-11-09 中国工程物理研究院化工材料研究所 A kind of high Energy Density Materials and its synthetic method
CN107382891A (en) * 2017-09-11 2017-11-24 西安近代化学研究所 A kind of synthetic method of 5,5 ' azos double (1 nitre aminotetrazoles)
CN107698532B (en) * 2017-10-09 2019-08-27 西安近代化学研究所 Two diazanyl tetrazine salt compound of 1,5- dinitro aminotetrazole
CN108424397B (en) * 2018-03-15 2019-08-27 西安近代化学研究所 1,5- dinitro aminotetrazole diamino tetrazolium salt compound
CN108424398B (en) * 2018-03-15 2019-08-23 西安近代化学研究所 1,5- dinitro aminotetrazole 4- amino -1,2,4- triazole salt compound
CN108285435B (en) * 2018-03-15 2019-08-27 西安近代化学研究所 1,5- dinitro aminotetrazole dicyandiamidines salt compound

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