Pyrido-oxazines and Pyrido-oxazinones

6-Methoxy-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

6,8-Dibromo-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one

2,2-dimethyl-1-(7-methyl-6-((trimethylsilyl)ethynyl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)propan-1-one

1-(6-(3-Hydroxypropyl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)-2,2-dimethylpropan-1-one

1-(7-bromo-6-(3-((tert-butyldimethylsilyl)oxy)propyl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)-2,2-dimethylpropan-1-one

7-Methyl-1-pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-6-carbaldehyde

6-Iodo-7-methyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine

1-(6-Iodo-7-methyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)-2,2-dimethylpropan-1-one

tert-Butyl 6-iodo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-1-carboxylate

1-(6-(Dimethoxymethyl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)-2,2-dimethylpropan-1-one

tert-Butyl (1-pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-6-yl)carbamate

(3R,4S)-1-tert-butyl 3-methyl 4-(1-pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-6-yl)pyrrolidine-1,3-dicarboxylate

1-Pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-6-carboxylic acid

1-Pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-6-carbaldehyde

1-Pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-6-carbonitrile

(E)-1-pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-6-carbaldehyde oxime

(E)-Methyl 3-(1-pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-6-yl)acrylate

2,2-Dimethyl-1-(6-((trimethylsilyl)ethynyl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)propan-1-one

1-(6-Iodo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)-2,2-dimethylpropan-1-one

1-(6-Bromo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)-2,2-dimethylpropan-1-one

2,3-Dihydro-1H-pyrido[3,4-b][1,4]oxazine-8-carbonitrile

7-Methyl-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

2,3-Dihydro-1H-pyrido[3,4-b][1,4]oxazine-8-carboxylic acid

6-Iodo-7-methyl-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

6-(3-Hydroxyprop-1-ynyl)-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

2,3-Dihydro-1H-pyrido[3,4-b][1,4]oxazine-8-carbaldehyde

6-Bromo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine

6-Iodo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine

1-tert-Butyl-6-iodo-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

6-((Trimethylsilyl)ethynyl)-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

6-Iodo-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

7-bromo-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine

tert-Butyl 8-bromo-2,3-dihydro-1H-pyrido[3,4-b][1,4]oxazine-1-carboxylate

7-Iodo-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

1-tert-Butyl-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one

tert-Butyl 8-iodo-2,3-dihydro-1H-pyrido[3,4-b][1,4]oxazine-1-carboxylate

tert-butyl 5-((trimethylsilyl)ethynyl)-2,3-dihydro-1H-pyrido[3,4-b][1,4]oxazine-1-carboxylate

8-Bromo-2,3-dihydro-1H-pyrido[3,4-b][1,4]oxazine

Methyl 1-(4-methoxybenzyl)-2-oxo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-6-carboxylate

1-Benzyl-7-iodo-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

tert-Butyl 7-iodo-2H-pyrido[3,2-b][1,4]oxazine-4(3H)-carboxylate

1-(4-Methoxybenzyl)-6-((trimethylsilyl)ethynyl)-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

2,3-Dihydro-1H-pyrido[3,4-b][1,4]oxazine

6-(3-Hydroxyprop-1-ynyl)-1-(4-methoxybenzyl)-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one

tert-Butyl 5-iodo-2,3-dihydro-1H-pyrido[3,4-b][1,4]oxazine-1-carboxylate

8-Iodo-1-(4-methoxybenzyl)-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one