British Abstracts: Pure chemistry and physiology. ser. A1943 |
Từ bên trong sách
Kết quả 1-3 trong 99
Trang 43
... converted by Me , SO , -NaOH successively into 5 - nitro - 6 - hydroxy - 2 - methoxy- ( + 0 · 5H2O ) , m.p. 162-163 ° ( efferv . ) , and 5 - nitro - 2 : 6 - dimethoxy - B - methylcinnamic acid , m.p. 206—208 ° . The formation of ( I ) ...
... converted by Me , SO , -NaOH successively into 5 - nitro - 6 - hydroxy - 2 - methoxy- ( + 0 · 5H2O ) , m.p. 162-163 ° ( efferv . ) , and 5 - nitro - 2 : 6 - dimethoxy - B - methylcinnamic acid , m.p. 206—208 ° . The formation of ( I ) ...
Trang 163
... converted at 110-120 ° into a form , m.p. 136-137 ° . Either form with NH ̧- EtOH yields p - acetamidobenzenesulphonylbenzamidine , a- , m.p. 185- 187 ° ( pre - heated ) , or 8 - form , m.p. 208-210 ° [ formed by more pro- longed action ...
... converted at 110-120 ° into a form , m.p. 136-137 ° . Either form with NH ̧- EtOH yields p - acetamidobenzenesulphonylbenzamidine , a- , m.p. 185- 187 ° ( pre - heated ) , or 8 - form , m.p. 208-210 ° [ formed by more pro- longed action ...
Trang 337
... converted by NaN , and conc . H.SO , in presence of CHCl , into a - amino - B - 4 - tetrahydro- pyranylpropane , b.p. 102 ° / 14 mm . , which yields e - bromo - a - amino- B - methyl - y - B ' - bromoethylpentane hydrobromide , m.p. 163 ...
... converted by NaN , and conc . H.SO , in presence of CHCl , into a - amino - B - 4 - tetrahydro- pyranylpropane , b.p. 102 ° / 14 mm . , which yields e - bromo - a - amino- B - methyl - y - B ' - bromoethylpentane hydrobromide , m.p. 163 ...
Ấn bản in khác - Xem tất cả
Thuật ngữ và cụm từ thông dụng
absorption absorption spectra Acad acetate acid AcOH activity adsorption alkali Amer Anal analysis ation atoms boiling calc catalyst cellulose CHCI Chem chemical chloride CHPh CO₂ CO₂H coeff colour compounds Compt conc concn const containing converted corr cryst crystals curves decomp decreases derivatives described determined diazotised dioxan discussed effect electrolytes electron energy equilibrium ester ether EtOH formation formed Geol gives H₂ H₂O H₂SO heat hydrochloride hydrogen hydrolysed increases ionisation ions isomerised ketone lattice liquid measurements MeOH metal method methyl minerals mixtures NaOH obtained oxidation oxidised oxime particles phenols PhOH Physical Rev picrate polarisation polymerisation pptd pptn prep presence pressure reaction reagent reduced rend room temp salts semicarbazone solubility solution solvent spectra spectrum structure substances surface theory thermal titration vals vapour X-ray yield