Name: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, is researched, Molecular C11H13OP, CAS is 707-61-9, about Synthesis of photosensitive polycarbodiimide. Author is Mochizuki, Amane; Takeshi, Kazumasa; Haba, Osamu; Kato, Sadao; Ueda, Mitsuru.
A neg.-working photosensitive polymer based on polycarbodiimide (PCD) and {[(4,5-dimethoxy-2-nitrobenzyl)oxy]carbonyl}-2-methylpiperidine (I) as a photoamine generator(PAG) has been developed. The end-capped PCDs with number average mol. weights of 1500 and 2500 were prepared by polycondensation of tolylene 2,4-diisocyanate (TDI) in the presence of m-tolyl isocyanate and 3-methyl-1-phenyl-2-phospholene-1-oxide as an end-capping agent and a catalyst, resp. PCDs were amorphous and soluble in common organic solvents, such as toluene, chloroform, and cyclohexanone. Thermogravimetry of the polymers showed good thermal stability, indicating that a 10% weight loss of the polymers was at 480° in nitrogen. The PCD films were transparent above 360 nm. The PCD containing I showed a sensitivity of 225 mJ/cm2 and a contrast of 1.5, when it was post-baked at 90°C sec, followed by development with toluene at 25°C.
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Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem