Day: October 10, 2022

Yang, Hongpeng; Chen, Lei; Zhang, Shouguo; Wang, Gang; Chen, Tingting; Xu, Jing; Peng, Tao; Wang, Lin; Hu, Liming published the artcile< Synthesis and Application of a Thiol Photolabile Protecting Group>, Quality Control of 13451-78-0, the main research area is nitrophenylbutanyl hydroxymethyl carbamate preparation photolabile protecting group.

A photolabile protecting group (PLPG) for thiol that can be rapidly photolyzed by irradiation at 365 nm to release thiol groups within 100 s. was successfully designed and synthesized. The photolytic reaction has mild conditions and avoids acid cleavage, leading to good yields with no side reactions as validated by HPLC. The PLPG has good acid/alkali tolerance.

ChemistrySelectpublished new progress about Aromatic thiols Role: RCT (Reactant), SPN (Synthetic Preparation), RACT (Reactant or Reagent), PREP (Preparation). 13451-78-0 belongs to class benzoxazole, and the molecular formula is C7H4FNOS, Quality Control of 13451-78-0.

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Varun, Begur Vasanthkumar; Gadde, Karthik; Prabhu, Kandikere Ramaiah published the artcile< Sulfenylation of β-Diketones Using C-H Functionalization Strategy>, Recommanded Product: 5-Fluorobenzo[d]oxazole-2-thiol, the main research area is bezoxazolethione diketone sulfenylation cross dehydrogenative coupling; bezoxazolyl sulfenylated diketone preparation.

Sulfenylation of β-diketones is challenging as β-diketones undergo deacylation after sulfenylation in the reaction medium. The sulfenylation of β-diketones without deacylation under metal-free conditions at ambient temperature via a cross dehydrogenative coupling (CDC) strategy is reported. The resultant products can be further manipulated to form α,α-disubstituted β-diketones and pyrazoles.

Organic Letterspublished new progress about Diketones, 1,3-diketones Role: RCT (Reactant), SPN (Synthetic Preparation), RACT (Reactant or Reagent), PREP (Preparation). 13451-78-0 belongs to class benzoxazole, and the molecular formula is C7H4FNOS, Recommanded Product: 5-Fluorobenzo[d]oxazole-2-thiol.

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Liu, Min; Zeng, Meng-Tian; Xu, Wan; Wu, Li; Dong, Zhi-Bing published the artcile< Selective synthesis of 2-aminobenzoxazoles and 2-mercaptobenzoxazoles by using o-aminophenols as starting material>, Name: 5-Fluorobenzo[d]oxazole-2-thiol, the main research area is aminobenzoxazole mercaptobenzoxazole preparation aminophenol dithiocarbamate TMTD.

2-Aminobenzoxazoles and 2-mercaptobenzoxazoles were selectively synthesized by treating o-aminophenols with dithiocarbamates and tetramethylthiuram disulfide (TMTD), resp. With the promotion of NaH/CuI, the reaction of o-aminophenols with dithiocarbamates gave 2-aminobenzoxazoles with good yield (70-92%) in one pot manner, and 2-mercaptobenzoxazoles were synthesized (yield: 55-80%) in the presence of K2CO3 by treating o-aminophenols with tetramethylthiuram disulfide (TMTD). The feature of this method includes good to excellent yield, easy performance and broad substrate scope, which makes the protocol practical and attractive in the preparation of some potential pharmaceutically active compounds

Tetrahedron Letterspublished new progress about Amino phenols Role: RCT (Reactant), RACT (Reactant or Reagent). 13451-78-0 belongs to class benzoxazole, and the molecular formula is C7H4FNOS, Name: 5-Fluorobenzo[d]oxazole-2-thiol.

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Murray, Christopher W.; Berdini, Valerio; Buck, Ildiko M.; Carr, Maria E.; Cleasby, Anne; Coyle, Joseph E.; Curry, Jayne E.; Day, James E. H.; Day, Phillip J.; Hearn, Keisha; Iqbal, Aman; Lee, Lydia Y. W.; Martins, Vanessa; Mortenson, Paul N.; Munck, Joanne M.; Page, Lee W.; Patel, Sahil; Roomans, Susan; Smith, Kirsten; Tamanini, Emiliano; Saxty, Gordon published the artcile< Fragment-Based Discovery of Potent and Selective DDR1/2 Inhibitors>, HPLC of Formula: 13451-78-0, the main research area is DDR inhibitor antitumor oral; back to front kinase design; discoidin domain receptor; fragment-based drug design.

The DDR1 and DDR2 receptor tyrosine kinases are activated by extracellular collagen and have been implicated in a number of human diseases including cancer. We performed a fragment-based screen against DDR1 and identified fragments that bound either at the hinge or in the back pocket associated with the DFG-out conformation of the kinase. Modeling based on crystal structures of potent kinase inhibitors facilitated the “”back-to-front”” design of potent DDR1/2 inhibitors that incorporated one of the DFG-out fragments. Further optimization led to low nanomolar, orally bioavailable inhibitors that were selective for DDR1 and DDR2. The inhibitors were shown to potently inhibit DDR2 activity in cells but in contrast to unselective inhibitors such as dasatinib, they did not inhibit proliferation of mutant DDR2 lung SCC cell lines.

ACS Medicinal Chemistry Letterspublished new progress about Conformation. 13451-78-0 belongs to class benzoxazole, and the molecular formula is C7H4FNOS, HPLC of Formula: 13451-78-0.

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Rattanangkool, Eakkaphon; Sukwattanasinitt, Mongkol; Wacharasindhu, Sumrit published the artcile< Organocatalytic Visible Light Enabled SNAr of Heterocyclic Thiols: A Metal-Free Approach to 2-Aminobenzoxazoles and 4-Aminoquinazolines>, Safety of 5-Fluorobenzo[d]oxazole-2-thiol, the main research area is benzoxazolamine quinazolinamine photochem chemoselective preparation; photochem substitution benzoxazolethiol quinazolinethiol aliphatic amine Rose Bengal catalyst; aerobic photochem substitution benzoxazolethiol quinazolinethiol aliphatic amine; flow microreactor photochem substitution benzoxazolethiol quinazolinethiol aliphatic amine.

2-Benzoxazolethiols and 4-quinazolinethiol (generated from 4-quinazolinol with Lawesson’s reagent) underwent chemoselective photochem. nucleophilic substitution reactions with aliphatic amines in the presence of Rose Bengal under white LED irradiation to yield 2-aminobenzoxazoles and 4-aminoquinazolines in 65-87% yields. The substitution of 2-mercaptobenzothiazole with 1-butanamine was performed in a flow microreactor at 10-20 mM to give the corresponding amine in 33-100% conversion (depending on flow rate).

Journal of Organic Chemistrypublished new progress about Aliphatic amines Role: RCT (Reactant), RACT (Reactant or Reagent). 13451-78-0 belongs to class benzoxazole, and the molecular formula is C7H4FNOS, Safety of 5-Fluorobenzo[d]oxazole-2-thiol.

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem