N′-tert-Butyl-N′-(3,5-dimethylbenzoyl)-2,2-dimethyl-4-oxochroman-6-carbohydrazide
نویسندگان
چکیده
منابع مشابه
N′-tert-Butyl-N′-(3,5-dimethylbenzoyl)-2,2-dimethyl-4-oxochroman-6-carbohydrazide
In the crystal structure of the title compound, C(25)H(30)N(2)O(4), the steric size of the tert-butyl group causes the 3,5-dimethyl-phenyl ring to adopt a transoid geometry with respect to the N-C(O) bond. The six-membered heterocyclic ring is disordered over two sites, with occupancies of 0.553 (4) and 0.447 (4). Intra-molecular C-H⋯O inter-actions are present. In the crystal, mol-ecules are l...
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In the title mol-ecule, C(15)H(17)ClN(2)O(2), the furan and benzene rings form a dihedral angle of 15.35 (8)°. In the crystal structure, inter-molecular N-H⋯O hydrogen bonds link the mol-ecules into chains extended in the [010] direction.
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In the title compound, C(19)H(22)N(2)O(4), the dihedral angle between the aromatic rings is 67.33 (2)°. In the crystal, mol-ecules are linked through N-H⋯O and O-H⋯O hydrogen bonds, generating a two-dimensional network lying parallel to (100). As a result of the twist of the mol-ecular skeleton and the hindrance of the tert-butyl groups, no π-π inter-actions exist between the aromatic rings.
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20-Hydroxyecdysone (20E) is a major insect hormone that regulates insect metamorphosis and development.' Recently, a new class of compounds has been traced to the 20E agonists that initiate a precocious and incomplete molt. A class of N'-benzoyl-N tert-butylbenzohydrazide (BTBH) analogues have been developed for use as new generation insect growth regulators (IGRs)z-4) that mimic the action of ...
متن کاملtert-Butyl N-benzyl-N-(4-methyl-2-pyridyl)carbamate
In the crystal structure of the title compound, C(18)H(22)N(2)O(2), the pyridine ring makes dihedral angles of 83.71 (6) and 9.2 (1)° with the phenyl ring and the carbamate plane, respectively. The phenyl ring and the carbamate plane are nearly perpendicular to one another, with a dihedral angle of 87.17 (7)°.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2009
ISSN: 1600-5368
DOI: 10.1107/s1600536809028815