condensation

L-Leucyl-L-Leucine methyl ester hydrochloride (Leu-Leu-ome hydrochloride) 是一种人单核细胞或多形核白细胞产生的 L-亮氨酸甲酯的二肽缩合产物。L-Leucyl-L-Leucine methyl ester hydrochloride 可选择性消除具有细胞毒性潜能的淋巴细胞，也可诱导溶酶体途径应激。

5-Amino-3H-imidazole-4-Carboxamide (AICA) 是一种合成嘌呤（尤其是核碱基腺嘌呤和鸟嘌呤）的重要前体。

Phenyl benzoate 是苯酚与苯甲酸缩合而成的苯甲酸酯，是重要的有机合成中间体。

Ethyl oleate 是由油酸和乙醇的缩合形成的脂肪酸酯。它是纳米结构脂质载体 (NLC) 中的液体脂质成分。其中 NLC 是一种口服有活性的反式阿魏酸的给药载体。

2,2′-Dipyridyl disulfide (Aldrithiol 2) 是肽化学中的常用试剂，是测定巯基的有用试剂，常用于氧化还原缩合以形成肽键或用于偶联反应以形成二硫键连接的异二聚体。

2-Acetylthiazole (2-Acetylthiazole;2 Acetylthiazole) 用于制备手性醇、三唑并噻唑，也用于羟醛缩合反应。

Glycylsarcosine (GLYCYL-SARCOSINE) 是由甘氨酸的羧基与肌氨酸的氨基缩合而成的二肽

H-Leu-Leu-OMe . HBr 是由人单核细胞或多形核白细胞产生的L-亮氨酸甲酯的二肽缩合产物。 H-Leu-Leu-OMe . HBr 诱导内溶酶体途径应激并选择性地消除具有细胞毒性潜力的淋巴细胞。

3,5-Di-tert-butylbenzaldehyde 可用于合成化合物。

Tris(2,2,2-trifluoroethyl) borate (SL 75212) 主要用于缩合反应。它已被证明可以促进羧酸和胺直接形成酰胺，以及胺或酰胺与羰基化合物形成亚胺。

L-Chicoric Acid (trans-Caffeoyltartaric acid) 是一种二咖啡酰酒石酸，是一种选择性可逆的 HIV-1 整合酶抑制剂，IC50约为 100 nM。它还可抑制 HIV-1 复制。

Spinacine 是人内源性代谢产物。

Compound 48 80 trihydrochloride (C48 80 trihydrochloride) 是 N-甲基对甲氧基苯乙胺和甲醛发生缩合反应后的混合物。Compound 48 80 trihydrochloride 是一种肥大细胞 (mast cell) 脱颗粒剂和组胺 (histamine) 释放剂。Compound 48 80 trihydrochloride 对人血小板磷脂酰肌醇特异性磷脂酶 C (phosphatidylinositol-specific phospholipase C) 活性有抑制作用。

H-Leu-Leu-OMe HBr (L-Leucyl-L-Leucine methyl ester HBr) 是 L-亮氨酸甲酯的二肽缩合产物，是对自然杀伤 T 细胞有毒性的肽，具有免疫抑制活性，可消除混合淋巴细胞群中的所有自然杀伤细胞 （NK） 功能。

1,2-Dipalmitoyl-sn-glycero-3-phosphoethanolamine (DPPE) 是内源性代谢产物的一种。

Methyl 4-aminobutyrate HCl (GABA methyl ester) 是一种由氨基丁酸和甲醇缩合而成的甲酯化合物。

Emamectin Benzoate (MK-244) 是口服有效的神经系统毒物，其通过结合昆虫中的 GABA 受体发挥作用。它是阿维菌素的半合成衍生物之一，具有广谱的杀虫和杀螨活性。它诱导ROS 介导的 DNA 损伤和细胞凋亡。

CYT296是一种靶向染色质去凝集的化合物，能增强定义因子(OSKM)介导诱导多能干细胞(iPSC)的生成，并通过诱导小鼠胚胎成纤维细胞(MEFs)染色质的开放状态来促进体细胞的重编程，适用于细胞替代治疗和药物筛选的研究领域。

Cellohexaose，一种由β(1-4)链接的D-葡萄糖单体通过缩合反应形成的葡萄糖聚合物，来源于纤维素的分解，包含两个或更多的葡萄糖单体。

Lauroylmethionine is a lysine salt of the product formed by the condensation of lauroyl fatty acid chloride with methionine.

(S)-Higenamine ((S)-Norcoclaurine)，一种苄基异喹啉生物碱，作为其生物合成路径中的起始化合物，通过去甲月桂碱合酶(NCS)催化多巴胺与4-羟基苯乙醛(4-HPAA)的缩合反应形成。

(S)-Higenamine hydrobromide, an S-enantiomer of Higenamine, serves as the preliminary compound in benzylisoquinoline alkaloid biosynthesis. It is formed through the condensation of dopamine and 4-hydroxyphenylacetaldehyde (4-HPAA) via norcoclaurine synthase (NCS)[1].

Sphingosine (d16:1), an unconventional sphingolipid, is synthesized through enzymatic reactions starting with the condensation of myristoyl-CoA and serine by serine palmitoyltransferase long-chain base subunit 3 (SPTLC3), which shows a preference for myristoyl-CoA. This compound is found in minute quantities in its free form in human plasma and as a component of various plasma sphingolipids, such as sphingosine-1-phosphate, ceramides, sphingomyelins, and in brain cerebrosides, albeit at lower concentrations than the more common d18:1 sphingoid base. Sphingosine (d16:1) acts as an inhibitor of PKC in mixed micelle assays and diminishes superoxide production triggered by phorbol 12-myristate 13-acetate in isolated human neutrophils, as well as inhibiting the growth of CHO cells with IC50 values of 1 and 3.2 µM, respectively. Additionally, the concentration of sphingolipids containing sphingosine (d16:1) in the plasma is linked to the dietary consumption of saturated fatty acids and protein among ethnic Chinese populations.

N-Acetylneuraminate lyase (CgNal)（亦称Sialic acid aldolase (CgNal)）是一种醛缩酶，在生化研究中有着广泛应用。该酶催化丙酮酸和N-acetyl-d-mannosamine (ManNAc) 通过一种可逆的缩合反应生成sialic acid N-acetylneuraminic acid (Neu5Ac)。

Neuraminic acid是由9个碳原子的主链构成的酸性氨基糖，也是丙酮酸与D-甘露胺(2-氨基-2-脱氧甘露糖)醛酸经缩合反应生成的产物。它作为具有生物活性的黏液蛋白的官能团。

Arachidonoyl coenzyme A lithium是一种由辅酶A的硫醇基与花生四烯酸的羧基缩合生成的不饱和脂肪酰基辅酶A。

DC 432是一种强效的N-terminal methyltransferase 1/2 (NTMT1/2) (IC50= 54 nM)肽模拟抑制剂，含有BM30肽和额外五个精氨酸残基。在HCT116细胞中，DC 432处理能够降低调节染色体凝缩1和SET蛋白的N端甲基化水平。该化合物具有细胞渗透性。

3-Keto Sphinganine (d12:0) is a short-chain analog of 3-keto sphinganine (d18:0), which typically possesses a C18 chain length. The latter is a lyso-sphingolipid synthesized through the condensation of L-serine and palmitoyl-CoA mediated by the enzyme serine palmitoyl transferase (SPT). A deficiency in Vitamin K deactivates SPT, leading to a reduced synthesis of 3-keto sphinganine among other sphingolipids. [Matreya, LLC. Catalog No. 1893]

icFSP1是一种抑制剂，针对的是铁死亡抑制蛋白1（FSP1）。在2.5 µM的浓度下使用时，能够引发FSP1在细胞中的凝聚和相分离，但在无细胞测试中并不抑制FSP1的酶活性（IC50 = > 30 µM）。icFSP1以浓度依赖的方式诱导HT-1080纤维肉瘤细胞的铁死亡。在体内，icFSP1（50 mg/kg）通过使用人类过表达FSP1，Gpx4-/-Fsp1-/-的B16/F10细胞，在B16/F10鼠黑色素瘤模型中减少肿瘤体积和重量。

Furoin is an organic compound. It can be produced from furfural by a benzoin condensation reaction catalyzed by cyanide ions.

5-PAHSA, a FAHFA formed through the formal condensation of the carboxy group of palmitic acid with the hydroxy group of 5-hydroxystearic acid, serves as a human metabolite, possesses anti-inflammatory and hypoglycemic properties, and is categorized as a long-chain fatty acid. This compound, deriving from hexadecanoic acid and octadecanoic acid, is the conjugate acid of a 5-PAHSA(1-).

2-Deoxyribose 5-phosphate disodium 是一种2-deoxyribose-5-phosphate aldolase (DERA) 的底物，该酶为I类醛缩酶，负责催化可逆醛缩反应，且在过程中不需要任何辅助因子。

N-Ac-4-S-CAP对特定黑色小鼠毛囊中的黑素细胞显示出选择性的细胞毒性。该化合物可以在接种后4小时内引起毛囊中黑素细胞的明显变化，如黑色素颗粒的聚集和细胞核的浓缩，并在电子显微镜下观察到黑素细胞逐步破坏的现象，包括膜性细胞器的肿胀、细胞核浓缩和细胞质的空泡化，终导致细胞死亡。此外，N-Ac-4-S-CAP能导致处理后的黑色小鼠毛囊中98%的脱色。这种化合物对活跃的真黑素生产细胞具有特异性细胞毒性，而对前体或处于休眠状态的黑素细胞影响较小。N-Ac-4-S-CAP因此在黑色素瘤抑制和皮肤美白方面展示了潜在的应用前景。

DC432是一种细胞内可渗透的肽类抑制剂，针对N-末端Xaa-Pro-Lys N-甲基转移酶1 (NTMT1; IC50 = 0.054 µM)。该化合物与NTMT1和NTMT2有结合作用（Kds分别为0.3和1 µM），并在10和50 µM的浓度下，通过细胞外实验抑制NTMT1对调节染色体凝缩1 (RCC1) N-末端二甲基化。DC432（100 µM）在HCT116细胞中减少了RCC1 SPKRIA基序的三甲基化。

Tryptoquivaline D is a fungal metabolite that has been found inNeosartorya siamensisand has anticancer activity.1,2It induces nuclear chromatin condensation, a marker of apoptosis, in HCT116 colon and HepG2 liver cancer cells when used at a concentration of 150 μM.1Tryptoquivaline D (1-100 μM), alone or in combination with doxorubicin , reduces the viability of A549 lung cancer cells.2

Anticanceragent 157（compound 15）是一种NO抑制剂，具有抗炎和抗癌特性，IC50值为0.62 μg/mL。它能够与iNOS和caspase 8结合，进而导致核断裂和染色质浓缩，从而诱导细胞凋亡。此外，Anticanceragent 157在不同癌细胞系中展现出显著的抑制活性，对HT29结肠癌细胞的IC50为2.45 μg/mL，对Hep-G2肝癌细胞的IC50为3.25 μg/mL，以及对B16-F10鼠黑色素瘤细胞的IC50为3.84 μg/mL。

γ-Glu-Cys is an intermediate in glutathione (GSH) synthesis.1It is formed by ATP-dependent condensation of cysteine and glutamate by γ-glutamylcysteine synthetase. γ-Glu-Cys is also an essential component of phytochelatins, the heavy metal detoxifying enzymes in plants.2

Cholesteryl heptadecanoate is a cholesterol ester (CE) formed by the condensation of cholesterol with heptadecanoic acid, a C-17 saturated fatty acid that does not occur in any natural animal or vegetable fat at high concentrations. As such, it is commonly used as an internal standard for the quantification of cholesterol esters by GC- or LC-mass spectrometry. CEs are major constituents of lipoprotein particles carried in blood and accumulate in the fatty acid lesions of atherosclerotic plaques. CEs of various fatty acids are major constituents of murine and human adrenal glands.

Cyclazosin Free Base is a monocarboxylic acid amide obtained by formal condensation of the carboxy group of furoic acid with the secondary amino group of 6,7-dimethoxy-2-[(4aR,8aS)-octahydroquinoxalin-1-yl]quinazolin-4-amine. It has a role as an adenosine A2A receptor antagonist. It is a member of quinazolines, a member of furans, an aromatic ether, a quinoxaline derivative, an aromatic amide and a monocarboxylic acid amide.

Dibutyltin maleate is used as a condensation catalyst and pvc Stabilizer.

1,1'-(Azodicarbonyl)dipiperidine (ADDP) serves as a widely employed reagent in the Mitsunobu reaction, facilitating the condensation between an alcohol and an acidic compound. Moreover, ADDP has found application in synthesizing agonists for the G protein-coupled receptor 120 (GPR120) with potential antidiabetic effects as well as in the creation of triple agonists for peroxisome proliferator-activated receptor α (PPARα), PPARγ, and PPARδ.