C07D311/86

Photobase Generator, Compound, Photoreactive Composition, and Reaction Product
20220298268 · 2022-09-22 ·

A photobase generator includes a compound including a first skeleton represented by the following formula (a), and a second skeleton including a nitrogen atom bonding to a bonding position of the first skeleton to form an amide group, wherein the compound generates a base, in which a hydrogen atom is bonding with the nitrogen atom of the second skeleton, by light irradiation, and the pKa of a conjugate acid of the base in water is 12 or more. In formula (a), G is a divalent aromatic group, and * represents the bonding position with the nitrogen atom.

##STR00001##

METHOD FOR PRODUCING PEPTIDE COMPOUND, PROTECTIVE GROUP-FORMING REAGENT, AND CONDENSED POLYCYCLIC COMPOUND
20220112234 · 2022-04-14 ·

Provided are a method for producing a peptide compound including a step of using a compound represented by Formula (1); a protective group-forming reagent including the compound; and the compound. At least one of R.sup.1 to R.sup.8 or Y.sup.2 has R.sup.A, R.sup.A represents an aliphatic hydrocarbon group or an organic group having an aliphatic hydrocarbon group, and the number of carbon atoms in at least one aliphatic hydrocarbon group is 12 or more. However, R.sup.A does not have a silyl group and a hydrocarbon group having a silyloxy structure.

##STR00001##

FREE-RADICAL PHOTOINITIATORS AND USES OF SAME IN SILICONE COMPOSITIONS

The present invention concerns type II photoinitiators for the free-radical crosslinking of silicone compositions, in particular acrylic silicone compositions. The present invention concerns a silicone composition C1 that can be crosslinked by exposure to radiation with a wavelength of between 300 and 450 nm, comprising: —at least one organopolysiloxane A comprising at least one methacrylate group bonded to a silicon atom, at least one organohydrogenopolysiloxane H comprising at least two, and preferably at least three hydrogen atoms each bonded to different silicon atoms, and —at least one free-radical photoinitiator P. The present invention also concerns the provision of a silicone composition that can be polymerized or crosslinked by free-radical process comprising a type II photoinitiator system suitable for crosslinking silicone compositions, in particular by exposure to radiation, and absorbing light radiation with a wavelength greater than 300 nm.

Continuous isolation of cannabidiol and conversion of cannabidiol to delta 8-tetrahydrocannabinol and delta 9-tetrahydrocannabinol
11851414 · 2023-12-26 · ·

In alternative embodiments, provided are processes comprising the continuous isolation and purification of cannabinoids and further isomerization of the purified cannabidiol to .sup.8tetrahydrocannabinol (.sup.8THC) and .sup.9tetrahydrocannabinol (.sup.9THC). In alternative embodiments, provided are processes for converting 8-THC into .sup.9-THC. In alternative embodiments, provided are processes for the industrial scale continuous isolation and purification of cannabinoids and further isomerization of the purified cannabidiol to .sup.9-THC.

Continuous isolation of cannabidiol and conversion of cannabidiol to delta 8-tetrahydrocannabinol and delta 9-tetrahydrocannabinol
11851414 · 2023-12-26 · ·

In alternative embodiments, provided are processes comprising the continuous isolation and purification of cannabinoids and further isomerization of the purified cannabidiol to .sup.8tetrahydrocannabinol (.sup.8THC) and .sup.9tetrahydrocannabinol (.sup.9THC). In alternative embodiments, provided are processes for converting 8-THC into .sup.9-THC. In alternative embodiments, provided are processes for the industrial scale continuous isolation and purification of cannabinoids and further isomerization of the purified cannabidiol to .sup.9-THC.

Continuous isolation of cannabidiol and cannabinoids and conversion of cannabidiol to delta 8-tetrahydrocannabinol and delta 9-tetrahydrocannabinol
11851415 · 2023-12-26 · ·

In alternative embodiments, provided are processes for obtaining or purifying a substantially pure .sup.8tetrahydrocannabinol (.sup.8THC) and/or .sup.9tetrahydrocannabinol (.sup.9THC) and optionally a plurality of cannabinoids or terpenes from a natural or a synthetic source, wherein the natural or the synthetic source comprises a cannabidiol (CBD) and optionally a plurality of cannabinoids or terpenes. Also provided are processes comprising the continuous isolation and purification of cannabinoids or terpenes, and further isomerization of the purified cannabidiol to .sup.8tetrahydrocannabinol (.sup.8THC) and .sup.9tetrahydrocannabinol (.sup.9THC). In alternative embodiments, provided are processes for converting 8-THC into .sup.9-THC. In alternative embodiments, provided are processes for the industrial scale continuous isolation and purification of cannabinoids and further isomerization of the purified cannabidiol to .sup.9-THC.

Continuous isolation of cannabidiol and cannabinoids and conversion of cannabidiol to delta 8-tetrahydrocannabinol and delta 9-tetrahydrocannabinol
11851415 · 2023-12-26 · ·

In alternative embodiments, provided are processes for obtaining or purifying a substantially pure .sup.8tetrahydrocannabinol (.sup.8THC) and/or .sup.9tetrahydrocannabinol (.sup.9THC) and optionally a plurality of cannabinoids or terpenes from a natural or a synthetic source, wherein the natural or the synthetic source comprises a cannabidiol (CBD) and optionally a plurality of cannabinoids or terpenes. Also provided are processes comprising the continuous isolation and purification of cannabinoids or terpenes, and further isomerization of the purified cannabidiol to .sup.8tetrahydrocannabinol (.sup.8THC) and .sup.9tetrahydrocannabinol (.sup.9THC). In alternative embodiments, provided are processes for converting 8-THC into .sup.9-THC. In alternative embodiments, provided are processes for the industrial scale continuous isolation and purification of cannabinoids and further isomerization of the purified cannabidiol to .sup.9-THC.

MOLECULAR PROBES FOR DETECTION AND IMAGING OF PANCREATIC CANCER

Molecular probes for detecting and imaging pancreatic cancer are disclosed. The probes are modified benzoxanthene fluorophores, which are selectively taken up by pancreatic cancer cells, such as pancreatic ductal adenocarcinoma cells. Embodiments of the disclosed probes are useful for pancreatic cancer detection, therapeutic monitoring, and/or image-guided surgery.

MOLECULAR PROBES FOR DETECTION AND IMAGING OF PANCREATIC CANCER

Molecular probes for detecting and imaging pancreatic cancer are disclosed. The probes are modified benzoxanthene fluorophores, which are selectively taken up by pancreatic cancer cells, such as pancreatic ductal adenocarcinoma cells. Embodiments of the disclosed probes are useful for pancreatic cancer detection, therapeutic monitoring, and/or image-guided surgery.

Photocuring method, compound and composition used therein

An object of the present invention is to provide a photocuring method, which makes it possible to rapidly and efficiently obtain a crosslinked product (resin), a compound used in the photocuring method, and a photocuring resin composition containing the compound. The present invention relates to a photocuring method, which comprises a step 1 and a step 2 performed after the step 1, a compound used in the photocuring method, and a photocuring resin composition containing the compound. Step 1: this is a step in which in the presence of (A) compound having a carbonyl group generating a radical by photoirradiation and a carboxyl group decarboxylated by photoirradiation, (B) silane coupling agent having a mercapto group or a (meth)acryl group is reacted with (C) water under acidic conditions to obtain (D) silane compound having a mercapto group or a (meth)acryl group and at least one silanol group. Step 2: this is a step in which in the presence of the compound (A) and (E) compound having a carbonyl group generating a radical by photoirradiation and a group generating a base by being decarboxylated by photoirradiation, the compound (A) and the compound (E) are irradiated with light to create alkaline conditions in a reaction system by decarboxylating the carboxyl group of the compound (A) and generating a base from the compound (E), and radicals are generated from the compound (A) and the compound (E) to generate a crosslinked product containing a constitutional unit derived from the silane compound (D) from the silane compound (D) and, if necessary, from (F) compound having two or more polymerizable unsaturated groups.