CN106967302A - A kind of synthetic method of blood cell analysis dyestuff - Google Patents

A kind of synthetic method of blood cell analysis dyestuff Download PDF

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Publication number
CN106967302A
CN106967302A CN201710196223.3A CN201710196223A CN106967302A CN 106967302 A CN106967302 A CN 106967302A CN 201710196223 A CN201710196223 A CN 201710196223A CN 106967302 A CN106967302 A CN 106967302A
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intermediate product
synthesis
synthetic method
blood cell
cell analysis
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CN106967302B (en
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杨灵勇
周丽霞
李勋波
苗俊杰
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Medical Science And Technology Ltd Of Sincere Industry Of Suzhou Kang Ming
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Medical Science And Technology Ltd Of Sincere Industry Of Suzhou Kang Ming
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/30Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/30Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
    • G01N2001/302Stain compositions

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

Have the invention discloses a kind of synthetic method of blood cell analysis dyestuff, including step:2,3 dimethyl-benzothiazole Methylsulfates and N, N ' dimethyl carbonamidine synthesis obtain the first intermediate product;1 octanol and Trifluoromethanesulfonic anhydride synthesis obtain the second intermediate product;Second intermediate product and the synthesis of 4 methylquinolines obtain the 3rd intermediate product;First intermediate product and the synthesis of the 3rd intermediate product obtain final product.By the above-mentioned means, the synthetic method of the blood cell analysis dyestuff of the present invention, the synthetic method toxic side effect is small, raw material is easy to get, simple in construction, and the injury of pairing into personnel are smaller, production cost is low, and synthetic route is short, and target molecule can be synthesized by the reaction of 4 steps, yield is higher, synthesis is quick, and purity is excellent, cost-effective, easy industrialization, with actual promotional value.

Description

A kind of synthetic method of blood cell analysis dyestuff
Technical field
The present invention relates to a class cell dyeing dyestuff in in-vitro diagnosis field, more particularly to a kind of blood cell analysis is used The synthetic method of dyestuff.
Background technology
Cell dyeing is dyed by various acid-base property dyestuffs in early days, and this colouring method degree of accuracy is not good enough, and right Leukocyte differential count needs to show very fine internal structure difference in haemocyte, and then by using red laser diode Carry out captured information for the detecting instrument of light source, so this colouring method is slightly inadequate.Now, led in leukocyte differential count Domain, widely used is fluorescent dyeing.
In the early stage of development, the dyestuff of application has methylene blue, bright benzene indigo plant, Pai Nuoning, Ethidium Bromide etc..They are by insertion Or electrostatic attraction nucleic acid molecules are to form compound, by means of the enhanced fluorescence of micro- sem observation.Due to these dyestuffs in itself Also compound is easily formed, very strong fluorescence background interference can be caused, while the fluorescent quantum produced is relatively low, the standard of detection is influenceed True property;Recently it has been proposed that carry out nucleus dyeing with acridine orange or tetrazolium bromide, they or led in energy transfer process Optical quenching is caused, the fluorescence reduction for sending dye nucleotide compound so as to influence the degree of accuracy, or requires expensive laser Light source is excited in 488nm, or needs to specify higher temperature(35℃)The lower reaction long period could be used to detect, and be brought to clinic Inconvenience.In this case, polymethine class dyestuff solves this problem well.Because its launch wavelength is long, can have Effect eliminate background fluorescence interference, 10 DEG C or so just can penetration cell film, with nucleic acid molecules strength be firmly combined with dyeing, sensitivity Height, photostability is good, is especially adapted for use in the light source with red laser diode, can be used as preferable fluorescent dye.
Due to the premium properties and unique advantage of polymethine class dyestuff, the synthesis technique on such dyestuff is also a variety of Various but mostly more numerous and diverse, the prices of raw materials are higher, and synthesis cycle is long, and the material that pilot process is produced has to human body Certain injury, it is difficult to remove thoroughly, the purity of target product is not high.In general, the synthesis work of this kind of dyestuff how is optimized Skill, improves dye characteristic and reduces the production cost of such dyestuff and have become the emphasis of current research.
The content of the invention
The present invention solves the technical problem of provide a kind of synthetic method of blood cell analysis dyestuff, the technique mistake Journey toxic side effect is small, and raw material is easy to get, simple in construction, and synthetic route is short, and target molecule, easy industry can be synthesized by the reaction of 4 steps Change, with actual promotional value.
In order to solve the above technical problems, one aspect of the present invention is:A kind of blood cell analysis dye is provided The synthetic method of material, including step have:
(1)2,3- dimethyl-benzothiazoles Methylsulfate and N, N '-dimethyl carbonamidine synthesis obtain the first intermediate product
(2)1- octanols and Trifluoromethanesulfonic anhydride synthesis obtain the second intermediate product
(3)Second intermediate product and the synthesis of 4- methylquinolines obtain the 3rd intermediate product
(4)First intermediate product and the synthesis of the 3rd intermediate product obtain final product
In a preferred embodiment of the present invention, step(1)The reaction time of the first intermediate product of middle synthesis for 1.5~ 2.5h。
In a preferred embodiment of the present invention, step(2)The reaction time of the second intermediate product of middle synthesis for 0.75~ 1.5h。
In a preferred embodiment of the present invention, step(3)The reaction time of the 3rd intermediate product of middle synthesis for 1.0~ 1.5h。
In a preferred embodiment of the present invention, step(4)The reaction time of middle synthesis final product is 3.0~4.0h.
In a preferred embodiment of the present invention, step is completed(1), step(2), step(3)And step(4)Need altogether Time is 7.0~9.0h.
The beneficial effects of the invention are as follows:The synthetic method of the blood cell analysis dyestuff of the present invention, synthetic method poison is secondary Effect is small, and raw material is easy to get, simple in construction, and the injury of pairing into personnel are smaller, and production cost is low, and synthetic route is short, anti-by 4 steps Target molecule should can be synthesized, yield is higher, synthesis is quick, and purity is excellent, cost-effective, easy industrialization, be promoted with actual Value.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected Enclose.
A kind of synthetic method of blood cell analysis dyestuff is provided, specific steps are seen below:
Embodiment one:The synthesis of first intermediate product
3mmol N are taken, N '-dimethyl carbonamidine is put into a test tube, then add 0.2 ml acetic anhydride, in stirring under 85 DEG C of oil baths Dissolving(B liquid).Then 1mmol 2 is taken, 3- dimethyl-benzothiazole Methylsulfates are put into another test tube, adds 1.5 ml vinegar Acid is after stirring and dissolving under 85 DEG C of oil baths(A liquid).
In under 85 DEG C of oil baths, A liquid is added dropwise in B liquid, centre is stirred continuously.Mixed solution can be gradually during dropwise addition Redden, this explanation A and B has begun to reaction.
After completion of dropping, mixed liquor is in continuing the h of stirring reaction 1.5 under 85 DEG C of oil baths, it should be deep that reaction, which terminates rear mixed liquor, Red liquid.
After liquid cooling to be mixed, the acetic acid in mixed liquor and acetic anhydride are removed using vacuum distillation method, then added About 20 ml methanol dissolving mixt again.
First intermediate product is separated using thin-layer chromatography method.Specific practice:By the uniform place of lysate on silica gel plate, Dried up with hair-dryer, solvent is then made with ethyl acetate, separate each product.A yellow expansion occurs during expansion Band, it is to be deployed completely after, carefully scrape yellow expansion band, after smashing to pieces add proper amount of methanol dissolving yellow product, be filtrated to get Yellow solution.The methanol in yellow solution is removed using vacuum distillation method, yellow solid powder is obtained, the solid is the One intermediate product.
Embodiment two:The synthesis of second intermediate product
By 5mmol 1- octanols and 0.435 g pyridines and about 2 ml CH2Cl2(Dichloromethane)Mixing.
By 0.91 ml Trifluoromethanesulfonic anhydrides and 5 ml CH2Cl2It is well mixed, then at -5 DEG C ~ 0 DEG C and N2(Nitrogen) Under protection, 1- octanols, pyridine and CH are added dropwise to2Cl2Mixed liquor in.The min of dropwise addition process about 20, dropwise addition is too fast to be caused Temperature rises rapidly, is unfavorable for the progress of reaction.
After completion of dropping, in the min of stirring reaction 45 at -10 DEG C.Occur that pink product and white are solid in course of reaction Body(Trifluoromethanesulfonic anhydride and the product of pyridine reaction).
Reaction adds appropriate CH after terminating2Cl2And water, water can dissolve white solid, and the aqueous solution is removed after layering.It is many It is secondary that product is washed with water to remove unnecessary pyridine.
Anhydrous sodium sulfate drying water suction is added, CH is then removed by vacuum distillation2Cl2, it is to obtain light brown liquid Two intermediate products.
Embodiment three:The synthesis of 3rd intermediate product
Take 3.34mmol intermediate products 2 and about 5 ml CH2Cl2(Dichloromethane)Mixing.
3.34mmol 4- methylquinolines are added in above-mentioned mixed liquor, N2About 1 h is heated to reflux under protection.
Vacuum distillation removes CH2Cl2, then finally obtained a kind of shallow with the multiple washed product of absolute ether with removing impurity Brown oil, the grease is the 3rd intermediate product.
Example IV:The synthesis of final product
First intermediate product is mixed with the 3rd intermediate product with equimolar ratio, and using pyridine as reaction dissolvent, at 90 DEG C 3 h are reacted under oil bath.After completion of the reaction, pyridine is removed using distillation under vacuum, is subsequently added into appropriate methanol and dissolves again Reaction product.Finally use thin-layer chromatography method purification reaction product.Specific practice:By the uniform place of lysate in silica gel plate On, dried up with hair-dryer, solvent is then made with ethyl acetate, separate each product.A navy blue occurs during expansion Deploy band, it is to be deployed completely after, carefully scrape navy blue expansion band, after smashing to pieces add proper amount of methanol dissolving blue product, mistake Filter obtains blue solution, then removes the methanol in blue solution using vacuum distillation method, obtains blue solid, the solid As final product.
The target product yield synthesized using process above reaches 75%;Mass Spectrometric Identification only has a target molecular weight peak, nothing The miscellaneous peak of other intermediate products is present, and purity illustrates that the polymethine class dyestuffs purity of such a technique synthesis is non-up to more than 99.7% Chang Gao;The technical process toxic side effect is small, and the injury of pairing into personnel are smaller, and raw material is easy to get, simple in construction, and synthetic route is short, Target molecule can be synthesized by the reaction of 4 steps, synthesis cycle is substantially reduced.To sum up, a kind of haemocyte of the present invention point The synthetic method of analysis dyestuff, can be achieved it is many, fast, good, four advantages are saved, with actual promotional value.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, is included within the scope of the present invention.

Claims (6)

1. a kind of synthetic method of blood cell analysis dyestuff, it is characterised in that have including step:
(1)2,3- dimethyl-benzothiazoles Methylsulfate and N, N '-dimethyl carbonamidine synthesis obtain the first intermediate product
(2)1- octanols and Trifluoromethanesulfonic anhydride synthesis obtain the second intermediate product
(3)Second intermediate product and the synthesis of 4- methylquinolines obtain the 3rd intermediate product
(4)First intermediate product and the synthesis of the 3rd intermediate product obtain final product
2. the synthetic method of blood cell analysis dyestuff according to claim 1, it is characterised in that step(1)Middle synthesis The reaction time of first intermediate product is 1.5~2.5h.
3. the synthetic method of blood cell analysis dyestuff according to claim 1, it is characterised in that step(2)Middle synthesis The reaction time of second intermediate product is 0.75~1.5h.
4. the synthetic method of blood cell analysis dyestuff according to claim 1, it is characterised in that step(3)Middle synthesis The reaction time of 3rd intermediate product is 1.0~1.5h.
5. the synthetic method of blood cell analysis dyestuff according to claim 1, it is characterised in that step(4)Middle synthesis The reaction time of final product is 3.0~4.0h.
6. the synthetic method of blood cell analysis dyestuff according to claim 1, it is characterised in that complete step(1), step Suddenly(2), step(3)And step(4)The time needed altogether is 7.0~9.0h.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111004178A (en) * 2019-12-27 2020-04-14 苏州康铭诚业医用科技有限公司 Rapid synthesis method of dye intermediate for blood leukocyte analysis

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6004816A (en) * 1997-05-19 1999-12-21 Sysmex Corporation Reagent and method for classification and counting of leukocytes
CN104048932A (en) * 2014-06-13 2014-09-17 苏州康铭诚业医用科技有限公司 Method for testing content of glycol phenylate
CN104198471A (en) * 2014-08-14 2014-12-10 苏州康铭诚业医用科技有限公司 Surface active agent for determination of human serum albumin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6004816A (en) * 1997-05-19 1999-12-21 Sysmex Corporation Reagent and method for classification and counting of leukocytes
CN104048932A (en) * 2014-06-13 2014-09-17 苏州康铭诚业医用科技有限公司 Method for testing content of glycol phenylate
CN104198471A (en) * 2014-08-14 2014-12-10 苏州康铭诚业医用科技有限公司 Surface active agent for determination of human serum albumin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111004178A (en) * 2019-12-27 2020-04-14 苏州康铭诚业医用科技有限公司 Rapid synthesis method of dye intermediate for blood leukocyte analysis

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