Month: February 2021

Reference of 108468-00-4, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 108468-00-4, name is 1-(N-Boc-aminomethyl)-4-(aminomethyl)benzene belongs to amides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

A. {(S)-l-[4-(tert-Butoxycarbonylamino-methyl)-benzylcarbamoyl]-2-phenyl-ethyl}- carbamic acid benzyl ester (S)-2-Benzyloxycarbonylamino-3-phenyl-propionic acid 2,5-dioxo-pyrrolidin-l-yl ester (4.25g, 10.72mmol) was dissolved in CH2CI2 (100 mL). This solution was cooled to 0C. l-(N-Boc- Aminomethyl)-4-(aminomethyl)benzene (2.79g, 11.79mmol) was added followed by triethylamine (3.25g, 32.16mmol). After 18 hrs at 0C to room temperature reaction mixture was diluted with chloroform (100 mL) and washed with NaHC03 (1×30 mL), water (1×30 mL), brine (1×30 mL), dried (Na2S04) evaporated in vacuo giving a yellow oil. The residue was triturated with Pet. Ether (60-80C) and EtOAc to give a white solid identified as {(S)-l-[4-(tert- butoxycarbonylamino-methyl)-benzylcarbamoyl]-2-phenyl-ethyl}-carbamic acid benzyl ester (3.88g, 7.49mmol, 70%). [M+H]+ = 518.28, 540.32 (M+Na).

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 1-(N-Boc-aminomethyl)-4-(aminomethyl)benzene, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; KALVISTA PHARMACEUTICALS LIMITED; EVANS, David Michael; DAVIE, Rebecca Louise; EDWARDS, Hannah Joy; ROOKER, David Philip; WO2013/5045; (2013); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Application of 121492-06-6, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 121492-06-6, name is N-Boc-(2-Aminoethyl)-N-methylamine belongs to amides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

To a cooled (0 C) solution of NMethylNbocethylendiamine (05 mL, 279 mmol) and NaCNBH3 (140 mg, 223 mmol) in MeOH (10 mL) and acetic acid (05 mL) was added a solution of 2,4,6trimethoxyhenzaldehyde (0 547 mg 279 mmol) in EtOH (10 mL). The mixture was stirrcd at RI for 2 h, acidificd with 2 M HCI (1 mL) and neutralized withsaturated aqueous Na2CO3 (50 mL). Evaporation of all volatiles, DCM extraction of the resulting aqueous slurry and concentration of the organic fractions yielded N MethylNbocN? tmobethy1endiamine (5a) as a crude oil which was purified by RPHPLC.Yield 593 ing (L52 mmol)MS. rn z 377 35 [M+Na], (calculated = 377 14).

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, N-Boc-(2-Aminoethyl)-N-methylamine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; ASCENDIS PHARMA RELAXIN DIVISION A/S; SPROG?E, Kennett; CLEEMANN, Felix; RAU, Harald; HASSEPASS, Nicole; WEGGE, Thomas; ZETTLER, Joachim; BERNHARD, Ana; WO2015/67791; (2015); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Application of 630-22-8, These common heterocyclic compound, 630-22-8, name is 2,2-Dimethylpropanethioamide, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Intermediate 38: 2-Propen-1-yl {5-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamate; To a solution of 2-propen-1-yl {5-[(2-chloro-4-pyrimidinyl)acetyl]-2-fluorophenyl}carbamate (35 g, 100.3 mmol in DMA, 500 mL), NBS (17.8 g, 100.3 mmol) was added. The reaction mixture was stirred at rt for 1 h. Then 2,2-dimethylpropanethioamide (13 g, 111 mmol) was added at 0 C. The mixture was stirred at 80 C. for 2 h. The mixture was poured into water and extracted with EtOAc (1 L¡Á3). The combined organic layers were washed with water and brine successively, dried over Na2SO4, filtered and concentrated under reduced pressure to give the crude product, which was purified by column chromatography on silica gel (DCM:petroleum ether 2:1) to afford the title compound (36 g, 80.5% yield). 1H NMR (400 MHz, CDCl3) delta ppm 8.24-8.31 (m, 2H), 7.09-7.18 (m, 2H), 7.01 (d, J=5.5 Hz, 1H), 6.92-6.98 (br, 1H), 5.87-5.97 (m, 1H), 5.31-5.37 (m, 1H), 5.24-5.28 (m, 1H), 4.61-4.65 (m, 2H), 1.46 (s, 9H).

The synthetic route of 630-22-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Adams, Jerry Leroy; Dickerson, Scott Howard; Johnson, Neil W.; Kuntz, Kevin; Petrov, Kimberly; Ralph, Jeffrey M.; Rheault, Tara Renae; Schaaf, Gregory; Stellwagen, John; Tian, Xinrong; Uehling, David Edward; Waterson, Alex Gregory; Wilson, Brian; US2009/298815; (2009); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 337463-88-4, name is 6-Bromo-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one, A new synthetic method of this compound is introduced below., Safety of 6-Bromo-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one

f) 6-Bromo-7-chloro-4H-pyrido[3,2-b][1,4]oxazin-3-one; 6-Bromo-4H-pyrido[3,2-b][1,4]oxazin-3-one (20 g, 87.7 mmole) was dissolved in DMF (175 mL) and cooled in an ice bath. Chlorine gas was then slowly bubbled in for 45 minutes, and then the saturated solution was stirred in the ice bath for 2 hours. The mixture was purged with nitrogen and slowly added with stirring to 1 L of ice water which contained 100 g of Na2SO3, making sure to keep the temperature <15 C. After stirring 30 minutes the product was filtered, washed thoroughly with water and dried to afford (22.5 g, 98%) of a white solid.1H NMR (400 MHz, DMSO-d6): 4.76 (2H, s,), 7.78 (1H, s),11.71 (1H, s). The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future. Reference:
Patent; Glaxo Group Limited; US2008/194547; (2008); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Reference of 198211-38-0, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 198211-38-0, name is tert-Butyl 3-azabicyclo[3.1.0]hexan-6-ylcarbamate, This compound has unique chemical properties. The synthetic route is as follows.

Example 3; Synthesis of 6-amino-3-azabicyclo[3.1.0]hexane-3-N-(4-fluorophenyl)carboxamide (pTSA salt)Step a: Synthesis of tert-butyl (3-{[(4-fluorophenyl)amino]carbonyl}-3-azabicyclo[3.1.0]hex-6-yl)carbamateTo a solution of tert-butyl 3-azabicyclo[3.1.0]hex-6-ylcarbamate (0.500 g, 2.50 mmol) in dichloromethane (10.0 mL) at 0 C., was added dropwise a solution of 4-fluorophenyl isocyanate (0.34 mL, 3.0 mmol) in dichloromethane (5.0 mL) and stirred at 0 C. for about 3 hours. The reaction mixture was partitioned between water (10.0 mL) and dichloromethane (20.0 mL). The organic layer was washed with brine, dried over anhydrous sodium sulphate and concentrated under reduced pressure to yield the title product, which was used directly in the next step.

The chemical industry reduces the impact on the environment during synthesis tert-Butyl 3-azabicyclo[3.1.0]hexan-6-ylcarbamate. I believe this compound will play a more active role in future production and life.

Reference:
Patent; Sattigeri, Jitendra A.; Andappan, Murugaiah M.S.; Kishore, Kaushal; Sethi, Sachin; Kandalkar, Sachin Ramesh; Pal, Chanchal Kumar; Mahajan, Dipak C.; Ahmed, Shahadat; Parkale, Santhosh Sadashiv; Srinivasan, T.; Sharma, Lalima; Bansal, Vinay S.; Chugh, Anita; Davis, Joseph Alexanand; US2008/300251; (2008); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Related Products of 2895-21-8, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 2895-21-8, name is N-Isopropyl-2-chloroacetamide, This compound has unique chemical properties. The synthetic route is as follows.

To a solution of 7-iodo-3-[3-(methyloxy)phenyl]pyrrolo[1 ,2-a]pyrazin-1 (2H)-one (370 mg, P2) in dry DMF (10 ml_), NaH (42.4 mg, 60% w/w) was added at 0 0C under nitrogen atmosphere. The mixture was stirred for 30 min at room temperature, that it was cooled down to 0 0C and NaI (227 mg) and 2-chloro-N-(1-methylethyl)acetamide (144 mg) were added and the mixture was stirred at 65 0C over night. Chilly water was added to the reaction mixture and the product was extracted with AcOEt. The organic phase was washed with brine, dried over Na2SO4 and the solvent was evaporated under vacuum. The crude was purified by flash column chromatography on silica gel (eluent AcOEt:Cy with a gradient from 20% to 50% of AcOEt) to give the title compound (215 mg).MS (m/z): 466 [MH]+

The chemical industry reduces the impact on the environment during synthesis N-Isopropyl-2-chloroacetamide. I believe this compound will play a more active role in future production and life.

Reference:
Patent; GLAXO GROUP LIMITED; WO2009/130231; (2009); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Some common heterocyclic compound, 27466-83-7, name is 4-Bromo-N-methylbenzamide, molecular formula is C8H8BrNO, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Computed Properties of C8H8BrNO

General procedure: N-Propylbenzamide (A1) (40.8 mg, 0.25 mmol, 1.0 equiv), Oxone(307.8 mg, 0.50 mmol, 2.0 equiv), KBr (8.9 mg, 0.075 mmol, 0.3equiv), H2O (198.2 mg, 44 equiv, 0.2 mL) and CH2Cl2 (1.5 mL) wereadded to a 15 mL sealed tube containing a magnetic stir bar. The reaction mixture was stirred at room temperature for 7 hours under irradiation with an 8 W white LED. After completion of the reaction, saturated Na2SO3 (5.0 mL) was added and the mixture was extracted with CH2Cl2 (3 ¡Á 10 mL). The combined organics were washed with brine(10 mL), dried over Mg2SO4, filtered and concentrated. The residue was purified by flash column chromatography on silica gel (EtOAc/PE,1:6) to afford N-propionylbenzamide (B1). 3b White solid; yield: 37.7 mg (85%); mp 93-94 C (Lit. 3b 93-94 C).1 H NMR (400 MHz, CDCl 3 ): delta = 8.54 (br s, 1 H), 7.84 (d, J = 7.2 Hz, 2 H),7.61 (t, J = 7.6 Hz, 1 H), 7.51 (t, J = 8.0 Hz, 2 H), 3.04 (q, J = 7.2 Hz, 2 H),1.23 (t, J = 7.6 Hz, 3 H).13 C NMR (100 MHz, CDCl 3 ): delta = 177.8, 166.0, 133.3, 133.0, 129.1,128.0, 31.5, 8.4.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 27466-83-7, its application will become more common.

Reference:
Article; Mei, Chong; Hu, Yixin; Lu, Wenjun; Synthesis; vol. 50; 15; (2018); p. 2999 – 3005;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Synthetic Route of 185693-02-1, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 185693-02-1, name is tert-Butyl hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxylate, This compound has unique chemical properties. The synthetic route is as follows.

Example 13: Synthesis of 7-(furan-3-ylcarbonyl)-2,7-diazabicyclo[3.3.0]octane; The following procedures are exemplary of those used to produce various 7- (heteroarylcarbonyl)-2,7-diazabicyclo[3.3.0]octanes. To a solution of furan-3-carboxylic acid (0.084 g, 0.75 mmol) in anhydrous THF (5 ml.) was added HBTU (0.28 g, 0.75 mmol), followed by triethylamine (0.2 g, 2 mmol). After stirring at ambient temperature for 10 min, the mixture was treated with a solution of tert- butyl 2,7-diazabicyclo[3.3.0]octane-2-carboxylate (commercially available) (0.106 g, 0.500 mmol) in THF (2 ml_). The reaction mixture was stirred for 16 h at ambient temperature. The solvent was removed by rotary evaporation, and the residue was partitioned between ethyl acetate (5 ml.) and saturated sodium bicarbonate (2 ml_). The organic layer was concentrated, and the residue was purified by reverse phase HPLC to give tert-butyl 7- (furan-3-ylcarbonyl)-2,7-diazabicyclo[3.3.0]octane-2-carboxylate. This was dissolved in 1 :1 mixture of trifluoroacetic acid and dichloromethane (1 mL) and the mixture was shaken at ambient temperature for 1 h. The volatiles were removed under reduced pressure, and the residue was dried overnight at high vacuum, to give 0.050 g of 7-(furan-3-ylcarbonyl)-2,7- diazabicyclo[3.3.0]octane as a syrup (0.050 g, 32% yield).

The chemical industry reduces the impact on the environment during synthesis tert-Butyl hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxylate. I believe this compound will play a more active role in future production and life.

Reference:
Patent; TARGACEPT, INC.; WO2008/112734; (2008); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Adding a certain compound to certain chemical reactions, such as: 67341-01-9, name is tert-Butyl (2-hydroxy-1-phenylethyl)carbamate, belongs to amides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 67341-01-9, Recommanded Product: 67341-01-9

Synthesis of S3, a compound of formula I: Weigh 1.0 g, 1.0 equiv. of the compound of formula X in the reactor, based on the compound of formula X,1.2equiv. of the compound of formula IV is added to the reactor, 1.5 equiv. of triphenylphosphine, at room temperature, and the DIAD of 2.5equiv. is added to the reactor. After stirring the reaction for 5.0 h at room temperature, the reaction solution was concentrated to dryness. Concentrated residue in ethyl acetate and distribute in 1.0N aqueous hydrochloric acid, separate the organic phase, after washing the organic phase with a saturated aqueous solution of sodium hydrogencarbonate and brine, the organic phase was dried over sodium sulfate and concentrated. The concentrate is separated by column chromatography to give a compound of formula I in a yield of 80%.

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, tert-Butyl (2-hydroxy-1-phenylethyl)carbamate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Anhui Huasheng Pharmaceutical Technology Co., Ltd.; Hu Zhigang; Xu Liangzhi; He Darong; Du Xiaopeng; Qian Zhujin; He Yong; Chen Yuelei; (14 pag.)CN109761913; (2019); A;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Some common heterocyclic compound, 25900-61-2, name is 3-Amino-N-methylbenzamide, molecular formula is C8H10N2O, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Product Details of 25900-61-2

Example 69 Preparation of 1-(3-Methylcarbamoylphenyl)-3-phenylurea(Compound No. 182 in Table 2) Phenylisocyanate (209 mg) and 3-aminobenzoylmethylamide (239 mg) were dissolved in dimethylformamide (2 ml). After starring for 6 hours at room temperature, dilute hydrochloric acid (15 ml) was added. The obtained crystals were filtered and washed with water to obtain crude crystals. The crude crystals were dried under reduced pressure and added to ethyl acetate (8 ml), and the mixture was heated under reflux for 10 minutes. The mixture was cooled to room temperature, and the crystals were collected by filtration and washed with ethyl acetate to obtain the desired compound (386 mg, yield 90%). Melting Point: 209-210 C.; IR(KBr, cm-1): 3328, 3279, 1699, 1626, 1557; NMR(DMSO-d6, delta): 2.75(d, J=4.1 Hz, 3H), 6.95(dd, J-7.3 Hz, 7.3 Hz, 1H), 7.20-7.45(m, 6H), 7.57(d, J=7.7 Hz, 1H), 7.86(s, 1H), 8.37(d, J=4.1 Hz, 1H), 8.67(s, 1H), 8.79(s, 1H).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 25900-61-2, its application will become more common.

Reference:
Patent; Mitsubishi Chemical Corporation; US6444849; (2002); B1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics